Chevy block casting numbers. Sonic test is the way to go.

Chevy block casting numbers Block Casting Numbers. What size motor has block casting numbers 14093638? chevy 350. 190 bores, 400 mains journal sizes, splayed steel caps, wet sump, raised cam 2-piece rear seal, 9. Monaro Shrine. 1941. General Engine Block Specifications While 6 different bore size blocks have been produced, the small block engine can be classified into 3 bore sizes and 3 main bearing sizes. When it comes to identifying and understanding small block Chevy engines, one of the most crucial aspects is the casting numbers. Recessed oil Here are our personal big-block head and block casting number lists. See a list of casting number Find the casting numbers for Chevy smallblock and bigblock V-8 engines, as well as the crankshaft, rod, and piston sizes. A "two-bolt" main, or a four-bolt main. It has the 010 and 020 on the back and front, so I also know it is a high tin/high nickel block. com that says it is but than some others arent really specific. Usage: "1967 Passenger car- 327/275 Chevelle- 275/275 "I now know this block was a Tonawanda casting and has been verified/documented by a 1967 Camaro with a casting date of December 16, 1966 and a Understanding Small Block Chevy Engine Casting Numbers. This will show you how to also look up the 348-409 Chevrolet Engine Block Casting Numbers. There is a big H38 on the back. 25 C3 Corvette Casting Numbers for Blocks, Heads, Intakes and Exhaust Manifolds. Find cast numbers. This ledge is below the deck of the block and the ledge forms the mating The Casting Numbers to the right are found just below and to the right of the Distributor on the passenger side. They are notoriously very hard to read and often people make Find the block casting numbers and dates of Chevelle V8 engines from 1964 to 1972. Each casting number serves as a unique signature for the engine block, revealing vital information regarding its origin, performance specifications, and compatibility with other I’m having trouble identifying my block, casting numbers 3935440, but the stamp doesn’t seem to match up to anything I can find. Joined: Sep 2001. 00" bore that eliminates the chance of How To Identify A Small Block Chevy Engine. Might be a 350 from a '73-'74 Chevy van. That number was used up to 1975 1998 Chevy Z71 Full Size Pick-up Vortec 350 1998 Buick Regal GS Supercharged V6. it came in 2&4 bolt mains and Block Casting Numbers ' Chevy Tri Five Forum https://www. number - 3520 and 7416 Note 4: 4 in stroke, HD, 5140, LS-7, balanced for 12. 2. Head Casting Numbers. This block came with a 1961 C1 I purchased, (not the 0riginal engine) but do not plan to use the engine The block casting number on small block and big block Chevy V8 motors is located on a ledge found at the rear of the block, most often on the driver's side. 1990. Chevy discontinued this block through '72 and '73, then reserected it as 2-bolt Chevy Forums FREE technical assistance for your restoration and repair. "836273" is the casting number for a 1930-31 cylinder head and "836275" is the Chevrolet part number for that same 1930-31 cylinder head. Common casting numbers Chevrolet produced casting number 361959 from 1973 to 1990, making it one of the most common of all 454-block engines. See the differences between 2-bolt and 4-bolt blocks, nodular and chamfered main bearings, and various horsepower ratings. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! I found that people have claimed casting numbers of 14015445 is an LS6 block, but many many other resources say that if you dont have cast number of 12561168 then you have something else, maybe LS1. These numbers have been taken personally by Lou, c1937@sirius. This ledge is below the deck of the block and the ledge forms the mating C1 & C2 Corvettes - 59 block casting # 3737739 vs. 50 Main Journal: 2. Chevrolet Big Block Casting Number Location. " These four books do include passenger, truck, marine and industrial engine applications. Send Private Topic Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads. A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. If you don't know where to look on your engine for all of the casting numbers, casting dates and suffix codes, see Chevy V-8 Casting Number Locations Page 1 and Page 2. This ledge is below the deck of the block and the ledge forms the mating surface between the block and the transmission bellhousing. then i look up the casting numbers and it says that that block wasn't used until 68 and it could be a 305, 327, or a 350. accueil engine code. your block was used probably about as much as any chevy block ever was used from april or may 69' through 75'. Early block casting #, but only 2-bolt caps. 3756519 - Who is familiar with block casting numbers? What is the difference (also internal) between both engine block casting numbers. Pontiac/Chevy Aluminum, 91cc chamber Large Rectangle Port. It was used in the Chevrolet C/K truck, the Chevrolet Caprice, and the Buick Roadmaster. just out of the machine shop, honed and bored . Common casting numbers for performance engines include 3970010, but ours reads 3956618, another great number to put in your memory bank. These numbers serve as a unique identifier for various engine components and can provide valuable information about the engine’s specifications, production year, and The block casting number on small block and big block Chevy V8 motors is located on a ledge found at the rear of the block, most often on the driver's side. The number on the passenger side of engine on the pad are 14L192810 then 10219CMA. Small block Chevy casting numbers are on the top back ledge of the block, typically on the driver side, where the transmission bellhousing bolts to The Chevy small block engine casting number can be found on the bell housing section of the block just behind the passenger side cylinder head. It is basically a 2 piece 'I have what I believe to be a 216 engine, and the block casting number is 3837004- can anyone confirm that this is a 216?? thanks. photographer, and car guy. Two types of crankshafts are offered, cast nodular iron and forged steel. The block appears to have been originally orange and then painted blue at some point. 1965 Chevy Biscayne 460cid, 10:1cr, Brodix RRO 270, "Old School" 229/241, AED 950 HO, Air Gap, 1-7/8 headers, 3" true dual exhaust Homebuilt TH400 with Jake's Performance Stage II kit and the usual mods, 3500 Edge converter. More information has been added as well as reference pics when they are available. 00-4. Good Luck jim . The first place we typically look is the casting number on the back of the block. Small Block The casting number is 3956618. The Block Casting LS engines have a casting number and a date code on the engine block. In my research, I found very little information for heads manufactured between 1954 and 1962, but I found the three most popular. Inline (6 cyl) Engines To determine the year of 235 or 216 engines, look just above the starter on 235 or maybe remove How to decode Chevy Engine Codes and block casting numbers. Is this a 4 bolt main block or a 2 bolt main? There should be a stamping on the oil pan mounting flat area - near the oil pump area. Chevrolet. 348/409 All of our casting codes are now in searchable databases. through research I found in the 400, 2 bolts are stronger then 4 bolts. SBC Block Casting Numbers. Over the years, re-stamping has become a practice—sometimes for nefarious reasons, such as creating counterfeit matching numbers cars. The block has a a casting date of J 24 61. My sources show the block casting number for a 65 327 is 3858180 and the listed 3903352 for mid-to-late 1967. Similar correlating numbers exist on other engine blocks. This number tells you the displacement of the engine and can be used to confirm whether the engine is a 327 or another Chevy small-block engine (e. 10051103. That doesn’t validate it being a 327 L79. Click the link for more information about that item. Revised July 28 2003. Hello, I just picked up a decent GM Goodwrench engine, casting #10066036. pdf), Text File (. Are you a Chevrolet enthusiast eager to unlock the potential of your big block engine? Understanding the intricacies of casting numbers Look above the casting numbers and you`ll see "hencho en mexico" meaning made in mexico, this is a target master 4 bolt main block. Engine Size (ci) 10033867: 62cc: 2. Apr 12, 2014 Chevrolet small-block engine information: Chevy V8 casting numbers, bore and stroke, parts for sale, engine building, Chevy restoration and racers. Yes it's special block; I only find three casting numbers used, and yes it's for clearance issues. the information below was obtained from Block codes and series/sequence codes from Beck's Machine & Tool on Inliners International. any other combo is 99. This is from the Cars+Parts Magazine Chevy V-8 Engine Casting Numbers Book 1955-93. Model specific subject matter experts, classified ads and more. 5" stroke and 3. I would say that after the 0010 blocks it is probably the most common block casting number. Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes. So I don't believe it's original From Chevy-Camaro. 348/409 Block Casting numbers Results: Found 4 matches out of 16 records Block# 3755011 Year used: 1961 Model: Passenger car Engine: 348 Horsepower: 250,280,305,340,350 Bore: 4. Choose Group to View Engine Block Codes Engine Block Codes for CID 302, 305 or 307 . tcpdf. 19 intake, 1. Chevy Small Block - Engine Block Casting Numbers Notes (for below): "High Power" is the maximum rate HP this block was used for, "Low Power" is the lowest rated horsepower RPO engine the block was used in. The casting number on the block is GM The 3951509 block is the most sought after 2 bolt 400 block. Corvette Base MASS air 9th injector style Aluminum heads (86 and older) The block casting number on small block and big block Chevy V8 motors is located on a ledge found at the rear of the block, most often on the driver's side. Suffix Code (Engine Assembly Code) The engine suffix code is another essential part of identifying a Chevy 396 engine. My car was orginally a 350/350 car, but the original motor is long gone, and I thought if I could pick up a correct engine for decent $$$ it might be worth looking into. 330817. As with block casting numbers (or any casting numbers for that matter), the information on just how many blocks were made by Chevrolet is incomplete. Each casting number such as 360851 and 3814660 comes with I found a 400SBC with the casting number 330817. III engine codes. 2 block (LS9). We do not know what the engine came out of. Small Block Casting numbers . It is a 7-digit number that indicates the engine’s production year, plant of manufacture, and This How to video will show you how to find or locate the casting numbers on your small block chevy engine block. I couldn't get to the casting date so it's either a 75 or 77 truck 454 from a C20 or C30. When referenced to the listing found on the Chevy Legends site, casting number 366286 identifies a Bowtie engine block with a four-bolt main bearing, 4. Use these numbers to identify your stock Chevy intake. Theres a site roadsters. As I said, if it's a 67, and it appears to be by the casting number 3903352, it's a 67 Chevelle 327/275 w/manual transmission engine. Search intake number. The #3970010 block casting number is for a 4. You can search for specific specs or numbers or even view all. org) Title: Engine Casting Numbers: Chevrolet V8 Passenger Cars General block Info | Block Casting Numbers | Block Casting Date | Engine Code Stamping | Casting Clock Code VIN Code Format | Camaro Specific Engine Codes | Small Block Suffix Codes . Same goes for the heads. Come join the discussion about SBC Common Head Casting Numbers. Block Casting Number. I did a quick check and found 3. 327 Engine block # 3914660, This casting number was used in 1968 only, on all sorts of HP levels Pad #18Z120285, 8 in the VIN = 1968 CONV1 was the The complete casting # i came up with is 3932442 which shows up as 67 Camaro 350 only. 350. Decoding small block Chevy engine suffix codes and stamped numbers - CMK to CUD. Use these casting numbers to identify the block you have. TPI. Come join the discussion about restoration, engine swaps, reviews, performance, modifications, classifieds, troubleshooting, maintenance, and more! Looking at a Chevy engine with the 3970010 casting number and trying to find out more info. A small block Chevy engine can be identified by first locating the casting number. These numbers are usually found on the side of the block or cylinder head The casting number on Chevy V8’s is located on the drivers side of the engine where the block is connected to the bellhousing. This number will indicate some notable design specs such as 2 or 4 bolt main bearing caps, what models of cars it was installed in, the years it was installed in those cars, and in some cases the horse Block Casting Numbers: These numbers are located on the drivers side of the engine, at the back of the head on the transmission mounting flange. 75" bore that yields 309 cu. If you're looking at the engine code - this is already known. 6: 58-62: V8: OHV; RWD Hydraulic cam;threaded pulley hole: 3756519 3789935 3794226 3837739 LS and GM Small Block Engine Identification, Casting Numbers and How to Figure Out Which Engine You Have. If the engine is still in the truck it will be a little hard to see it. 02: 1. Chevy 350 engine block identification numbers are generally found in several key locations: Casting Number: This number is typically located on the rear of the engine block, near the bell housing. 00- to 4. Thanx Ian While decoding engine casting numbers is usually straightforward, some nuances and exceptions exist. The heads have the camel humps. Runners come in at 170cc. It has an unusual bracket above the oil filter cannister to mount the arm for the clutch cross shaft. If you google the casting number of 3789817 you will find LOTS of interesting reading. How can this be, i have cleaned the block and the numbers are correct. 1948 3/4 ton Chevy Pickup Re: block # 3837004- what engine is this?? 1948 3/4 ton Chevy Pickup Re: block # 3837004- what engine is this?? MontanaLee #1335502 11/27/2019 10:00 PM. Also not as much room in the pan rails for the longer stroke. Move cursor over the various items below to show their location. money the 010's have always been considered to be agood block to use. The numbers on the machined pad on the front passenger side of the block are 151420105 K10 3P CMJ. line honed, cleaned, new freeze plugs, cam bearings. The build date of the car is April of '68. 3737739 is indicated for 58 and The first place we typically look is the casting number on the back of the block. CID. It isnt the best block to use for a 383. I found a 65-67 283, casting # 3862194 which was used exclusively for 283. Quickly, A = Chevelle, F = Camaro, X = Nova. No one seems to think this correct, but that is what it is. according to Catalog of Chevy V-8 engine Casting Numbers 1953-93 it has the following applications: 396 65-67 passenger 325 HP 2 bolt main 427 66 Corvette 390, 425 HP 2&4 bolt main THere are close to 10 different casting numbers for the 68 year, and the 678 was used for 302, 327 and 350. Your block casting number is 64-67, 250-300hp rating. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. User Info. A body Chevelle , Y body Corvette , F body Camaro , X body Nova and the other GM look alikes. There are dozens of numbers used from 1955 through the ’90s, but there are a few standouts that indicate a performance engine. In addition to our professional interactions, I keep a set of his Chevrolet by the Numbers books within an arms reach as Chevy Intake Manifolds . Big Block was produced 1958 to 2009. Filling Station - Chevrolet & GMC Reproduction Parts Re: Block casting numbers #35473 04/29/04 07:52 PM. com But CNH code was only used twice, 1982 and 197x. Come join the discussion about performance, builds, restoration Chevy Forums FREE technical assistance for your restoration and repair. The quick way to tell is remove the side cover and my 1988-ish 454 block has the same casting number. This ledge is below the deck of the block and the ledge forms the mating How do I identify my engine cast number? There are many existing pages to identify your engine. I have a 427 with the casting number 473478 After a quick Google search I found the 473478 CASTING NUMBER which is a 427 tall deck block used from 1977-1985 (possibly to 1990. Small Block Chevy engine identification. 287 July 15, 2014 General Topics 0 12. All crankshafts have a casting number located on one of the rough finished throws or counterweights towards the front of the crank. The block casting number on smallblock and big block Chevy V-8 motors is located on a ledge found at the rear of the block, most often on the driver's side. 6 58-62 V8 OHV; RWD H ydraulic cam;thre aded pulley hole 3756519 3789935 3794226 3837739 3849852 3735236 3836266 3815822 3731554 3748770 3748442 casting-numbers-chevrolet-v8-passenger-cars-287. Monaro Shrine Small Block Chevy Suffix Codes: CE - CMJ. Casting Date Example: E038 – (E = Month, 03 = Day, 8 = Last digit of model year (1978)). The block casting number is typically found on the rear of the engine block, near the bellhousing area, on the driver’s side. TC #5238 AACA #994801 70 Chevelle SS LS6 A forum community dedicated to Chevrolet Chevelle According to Herd's Parts interchange this block was used on vettes; but most of them were 396's so be sure that the bore is 4. 1929-1962 Chevrolet L-6 (in-line 6) Overhead Valve Engines the Stovebolt Six - the Cast-Iron Wonder. Casting No. It should be stamped something like T108. BG, BL. If the motor is still in the car you should still be able to see it. 839751. The Chevrolet engine block casting numbers are essential identifiers that help enthusiasts and mechanics decode the specific features and history of an engine. 0:1/forged pistons. And you can check dates. It is a cool piece and probably a factory high performance Chevy Engine Casting Numbers - Free download as Excel Spreadsheet (. The real high nickle blocks were all aftermarket from GM performance and most have a Chevy Bowtie on them with the letters "HD" in the emblem Mortec - chevrolet casting numbers info on Chevy stampings found here If any of the 302, 350 or 327 is complete - i. Truck sequence/series codes/pre-fixes are nicely presented by John Milliman on The Stovebolt Page Reference the block casting number to identify the Chevrolet Bowtie block. Tech / General Engine - Please help me identify casting #14093638 - I have this long block in the garage. 9% scam. This guide also includes the block stamping number decoder and the Gen. casting codes sequence/serial numbers . Posts: 1,178. Search your casting number. It can't be a Bel Air in the fact that from the last digit on the date stamp is a '2 The block number you gave was cast during the '86'-'88 model years. This little gem of an engine has seen displacement from 262 to 400 cubic inches in its 50 plus years of existence. How To Decode A Chevy Small-Block V8 (SBC) Engine Serial Have you ever bought an engine from someone and wondered if it was what they said it was? I'll show you where to find the casting numbers to look it up for y The big-block engine casting numbers serve as a means of distinguishing an engine block by designating the casting number, the year of manufacturing, and the CID (cubic-inch displacement). Block casting number 361959 came with either two- or four-bolt main bearing caps, but There are three other pocket guides offered including the "Chevy Small Block 1955-1999 Factory Part & Casting Number Guide", "Chevy Big Block Suffix Codes 1965-1999" and the "Chevy Big Block 1965-1999 Factory Part Number & Casting Number Guide. thanks . g. AG, AL. . , so I don't know if it's a 305 or 307 cu. It includes over 150 casting numbers ranging from the 1960s to 2000s, with CID sizes from 262 to 400 cubic inches. Chevrolet Big Block Cylinder Head Casting Numbers. what does this represent? Near the oil filter is 371 386 83 N Gm block casting number Hi will, my book tells me that all blocks from 59 to 62 can be bored to 4 in. 3125 Stroke: 3. In 1971 they were again used in the full size rigs, but the Monte's got the "511" block. The block casting number for 1931 is 836409 (see d2d2's first posting on March 02, 2004 22:09). www. The guy that has it is a good friend. Casting Number. He says that he knows them to be correct for the following ears 1927-31, 1937 348 and 409 block casting codes, head casting numbers, exhaust manifold casting numbers, and intake manifold casting numbers. Well with The good news is this block will easily go . The added nickel is used in a lot of newer blocks, GM and ford among others. This engine was an option on 1973 to 1975 Chevelles, and was used in a number of other full-sized Chevrolet passenger cars through 1976. 88 exhaust Chevy 348-409 Engine Block Guide - Includes Restoration, Performance Upgrades, Durability Modifications. If you in fact have a block with casting number 3701481 it can be either a stick shift engine or a power glide. ; How to Read and Decode Chevrolet Engine Casting Numbers. The engine code and partial vin # will accurately nail down whatever the thing is rather quickly, and the other information will fall into line with that. it was supposed to be a 350 from the guy i bought it from Block casting 3959512 It has no vin on the place where the vin goes The code is CE8A23482 where the code taht tells what the motor is. Big block on the right side of engine above the oil pan rails. 53K. They must have realized that The Engine Block Casting code is one of the best ways to identify a Chevy engine block. Casting Numbers: Chevrolet V8 Passenger Cars . Jump to Latest That is the casting number for 57 V-8 engines, both 265 and 283. Block Casting Numbers for Small Block Chevrolet V8. There are some rel Hello I would like to get some help identifying a small journal 327 with casting # 3959532. For help go to engine Code help or engine decoding FAQ. See the differences between car, truck, and Corvette models, and the features of each engine. This Casting number is usually found at the rear of the block on the left or drivers side on top of the bellhousing flange. I had been on the lookout for a sbc to set on a stand a do a rebuild on and place in my 77 C10. Find the list of engine Learn how to identify different generations and models of Chevrolet small-block and big-block V8 engines by their casting numbers. Casting numbers on the block Hi guys this is my first post on this site and I have to say that the info here has been very helpful! The problem I am having is the confusion over the casting number 3914638. It doesn't seem to be a very popular number. 30 over, block decked (no Ser#). ChatMaster - 1,000. 300 deck Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. Crankshaft: Forged steel, tuft I run 601 casting heads bowl ported on my 2 current rides. The head casting number is located outside the valve cover in However, this same casting was also used for Chevy's very first 350, used in the 350 RS Camaro. The casting date is I 3 9, so I assume it is late 69/early 70 block, and is a 4 blt main block. com > threads > block-casting-numb Aug 29, 2007 - I need some help deciphering the numbers I found on my block. Big Block Chevy: Machined pad in front of the passenger side cylinder head or above timing chain cover. Big Block Chevy V-8 Casting Numbers. Choose Group to View Engine Block Codes Engine Block Codes for CID 262, 265, 267, 283 . Chevy/Olds Rocket block, 4. The front pad stamp will tell you what it is from. ratio: 11. RECTANGULAR PORT - Valve size 2. It comes in 2 bolt mains for 1/2 tons and 4 bolt mains in 3/4 ton and up and is often found in the Heavy Half as well. nastyz28. If you have looked very carefully and find no numbers there, chances are your block is classified as a Replacement Block There are three block casting number types to look for: the block CASTING NUMBER, the block CASTING DATE and the ENGINE ASSEMBLY DATE/SUFFIX CODE. He said he pulled it out of the running car back in the late 80's. The casting number on my 1966 is 3858174 which is identified as a 327 ci V8 block. 10066013. Comments. Casting Number CID Main Bolts; 330817: 400: 2-Bolt: 346236: 454: 2-Bolt: 355909: 262: 2-Bolt: 3703524: 265: 2-Bolt: 3720991: 265: 2-Bolt Chevrolet Small Block Head Casting Numbers; Casting # Combustion Chamber Size (CCs) Intake Valve Exhaust Valve Production Years Misc. 10243880 - This For instance, a Chevy 350 block with casting number 3790721 traditionally would mate with specific transmissions designed for high performance. Sonic test is the way to go. Numbers-Codes-Dipstick Block Casting Number location 1958-62 Block Date Engine Casting Numbers: Chevrolet V8 Passenger Cars Estimated Reading Time: 3 Minutes. The Chevy II block is not required for an automatic, and there are ways around it with a manual trans too. your block # is 65- 67. Corvette Year Engine Type Block Exhaust Manifold (LH) Exhaust Manifold (RH) wdt_ID Corvette Year Engine Type Block Cylinder I was gonna put it in my 69 c-10 but when i searched the casting number in google this board was all that came up. Reactions: defilade. These numbers not only provide valuable information about the engine’s manufacturing details but I go over some basics of Small and big block chevy block and cylinder head casting numbers, date codes, and suffix codes. I have found the same number with a 1 in front of it on all the decoding sites and it shows as a common 1980-1985 350 4 bolt main. xlsx), PDF File (. com The casting number 3932388 was only used in 1969 and is rare because not many cars much less Camaro's got this block casting number that are known. I looked at the casting numbers and all I get is: 350 cid 2 or 4 bolt main 87-95(altough I got it from a '92 Chevy Truck) Roller or flat tappet cam One peiece rear seal. Helena Mt. There should be a casting number on the block surface directly behind the drivers side cylinder head. I plan to bore my 283 to a 327 s/j some day. Nevertheless, there is a lot to talk about when it comes to casting numbers for big block chevy . Learn how to identify and decode the engine code, partial VIN, casting date, and other information stamped on your small block Chevy engine block. It can be a bit hard to see with the ignition shielding in place but the numbers are fairly large. Mine happens to be a plain old truck engine. e. Some have the better metallurgy with 1% added tin and 2% added nickel, which increase the strength of the cast iron block A LOT. , a 283 or 350). Casting number block 10114182 heads 10114156. Decoding small block Chevy engine suffix codes and stamped numbers: CE - CMJ. Anyone can verify what block this is, a search online shows Its the current updated 6. Post: SBC block casting number 14016379 question (Topic#14730) chevymike Member Posts: 96 Loc: San Diego, CA, USA Reg: 11-06-01. Chevrolet Big Block Head Casting Numbers. Post the head casting numbers. We feel it is extremely accurate and is as exact as we can make it. The problem is that this number only serves as an internal code for GM to keep track of production. Block casting numbers I understand this block started production in September of 1968 according to Chevrolet by the numbers book. Dive into this essential guide!When it comes to classic American muscle, the Chevy big block engine stands as a testament to raw power and engineering excellence. 10049875. 57 chevy 350" and 47 dodge with small block. Code identification, Casting Number info. The engine block casting number is an 8-digit numerical code on the back of the engine on the passenger side. Joined: Feb 2002. Cutlass , Firebird etc. Aluminum Bowtie Single plane. Chevrolet engine casting numbers are molded into the metal when the engine block, head, or other major components are manufactured. What causes certain castings to be better then others? I'm shooting for 400-450 hp down the road, don't want to start with a flawed block Small Block Chevy Casting Numbers. 150-inch cylinder bores and a List of head casting numbers for the 1958-65 348 and 409 engines. 0 Rick, what is the casting date of the block? Should be on the bellhousing flange on opposite side as the casting number. But what about the other #s on it. Deciphering the small block Chevy engine code stamping numbers is like unearthing a time capsule. GM body designation. I just picked up a short block with the casting code 4010207. "Main Caps" is the number of bolts holding the cap. Four bolt main blocks are desirable in high performance applications Those simply represent the last three digits of the engine block casting numbers that would use that particular mold ie 3970010 and 3970020. The only question i have is, i ran the casting number and it says its a 4 bolt main, but its clearly a two bolt. The “ZI” suffix code refers to a “special high performance“ and that is an L79 designation. 50 Rod Journal: 2. Does anyone know if they line bored the small journal block out to big journal? For instance, if you find a block with the casting number 3855961, you are looking at a 1965 engine block with a 396 cubic inch displacement. October 20, 2024 by admin. Find the casting numbers and years of Chevy small block engines from 302 to 454 cubic inches. Chambers need unshrouded. This engine is currently in a '68 camaro. trifive. Posts: 29,277 List of head casting numbers for the 1958-65 348 and 409 engines. 1956, and 1957 Chevy owners and enthusiasts. I located a sbc with a block casting number of 3932388. Small Block Chevy Block ID; Block Suffix Codes: C6 Tech/Performance - Block casting 12621766 ? - I did a search here for a block casting 12621766 with no results. 3660439. engine. Chevrolet Engine Casting Numbers Explained 1954-1962 Chevrolet The Casting Numbers to the right are found just below and to the right of the Distributor on the passenger side. Save Share It's a 3791362 casting and hard to find. Come join the discussion about restorations, builds, performance Is this block a tall deck or not? Some people say it is and some people say it isnt. home name history competition hk ht hg hq hj hx hz vx identification models links. 125" over to make a 301 or 327 with a crank change. Powered by TCPDF (www. Then i have talked to 1955 Chevrolet Bel Air Unrestored 15,000 Mile Survivor 1955 Chevrolet Nomad 1964 Malibu SS Unrestored 36,000 Mile Survivor ~ SOLD AFAIC a real 69 Z/28 302 block will have the 386 casting number and the partial VIN ending in the DZ code stamped into the front of the passenger side deck. I just pulled this small block from my 1940 Ford street rod and am anxious to begin my first engine rebuild. html. The Engine Suffix Code is stamped on a block pad located immediately forward of the right hand or passenger side cylinder head. 235 cubic inch engine (L6, inline 6-cylinder with overhead valves) Year Prefixes. We do know, however, that production of the 348 was not shut My 57 BLOCK Casting # 3731548. Chevy simply machined the same bare casting for large journals. Small block casting date is located on driver side rear of block on flange forward of bellhousing. I also have a 3970010 block. unchanged - you will get a great engine. Type. If pushed hard the main caps on a '68 will move in relation to the block. All engines are stamped with an engine ID code, consisting of assembly plant code, production date, and suffix code. 1946 Block casting numbers 3892657 what size motor? what does the casting number GM 3892657 say about this engine block. Chevrolet recognized the problem and redesigned the lower end of the block in 1969 with thicker main webs and heaver main caps. Explore the essential components, casting numbers, and maintenance tips for Chevrolet Big Block engines to enhance performance and value. Engine Casting Numbers. most of the points assigned to the block are tied up in the 350 block casting 3970014. All these are identified here. I am planning on putting it in my 86 k20. April 12, 2014 Roadkill Customs Technical Info. 20 Explore Chevy Big Block engine casting numbers to identify models, decode significance, and enhance restorations and performance upgrades. 25" at least. I bowl port them and widen the pinch at the pushrod. The head also has important casting numbers. It is a 4 bolt main block and the engine supposedly came out of an 82 Caprice. TO904YP , any help would be greatly appreciated. You can decode the casting number. txt) or read online for free. From what I've read, this engine is a replacement for 71-85. 87-89. The casting numbers were never assigned to a certain model. For Block Crank Head 1 283 4. Years. 00" bore block, so because of that block casting number and the 4. The guy I bought it from swore it was a 68 327 truck motor but after tearing it down I found forged domes in it with the stamp std on the top which indicates standard bore. Common 327 Block Casting What Alan Colvin REALLY SAYS about the 3903352 block casting in his book Chevrolet by the Numbers 1965-69 edition, page 63. :crazy2: C3 General - block casting number - I am getting ready to build a 388 for my 72 and I am looking at a 350 a guy near me has that I can get. We’ll attempt to provide the best of them to you, rather than recreate the information here. Casting It was used in 66, 67, and 68 Chevelles as well as a 327/275hp L30 engine. 4-Brl. It is a small journal block and the crank costs more than the large journal ones. The engine ID code stamping is located on a flat pad in front of the passenger side cylinder head (big blocks can be in the same location or above the timing chain cover, with inline-sixes stamped on the The 3956618 block casting number was used for many many years. 1942. The block casting number on small block and big block Chevy V8 motors is located on a ledge found at the rear of the block, most often on the driver's side. The book Chevrolet By the Numbers The block casting number is the single most important number on a block because it will probably be the last number on a block to be altered or changed to counterfeit or misrepresent a block. Discover how to identify and decode Chevrolet engine block casting numbers, their significance for performance insights, and their role in restoration projects. ID CID Liter Year VIN/Cylinder Application Block Crank Head; 1: 283 4. From Stock to Modified. com. This document contains casting numbers, years, horsepower (HP), and other specifications for various Chevrolet V8 engines. If you're looking at the casting # information 2. First we looked up the numbers by the deck where the heads sit and according to a book that he has it says that it was a 327 and it was used in a 65' Vette. Year: Engine Size: CC: HP: Port Type: Chamber: Intake Valve: Exhaust Valve: Notes: 330864: Above the water pump, it's stamped T0428TSD. glyn. Chevrolet Big Block Heads were offered in many different variations within their 51 years of production. Its been on a engine stand sense. 348/409 Block Casting numbers Results: Found 1 matches out of 16 records Block# 3857656 Year used: 1965 (some late '64) Model: Car or Truck Engine: 409 Horsepower: Bore: Stroke: Main Journal: Rod Journal: C1 & C2 Parts - Fs 283 Block Casting 3789935 - 283 block casting number 3789935. The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. Casting numbers are found under the valve cover. (373 and 873 head casting numbers) Desirable Gen III Truck Engines: LM4 and The block casting number on small block and big block Chevy V8 motors is located on a ledge found at the rear of the block, most often on the driver's side. Casting The Engine Block Casting code is one of the best ways to identify a Chevy engine block. However, mine does not have a 1 in front of it, and it doesn't appear to have been worn off as the texture there is still rough like the rest of the block. I can,t find this casting # in my info or on the Mortec site. Casting Numbers. Chevrolet Engine Block Casting Numbers. In this case I can't help on the XXY. in. This casting number was used for both 283 and 327 engines and was a popular block with drag racers in the 60s. Its a complete motor from carb to pan, and never been The block casting number (drivers rear at back of block) is 3970044. A forum community dedicated to 1st Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. How to Identify Chevy 350 Engine Block Numbers. 125 Stroke: 3. My engine builders software shows it used up until 1985 at least. but I also found this block number is least desirable due to metallurgical reasons. Unlocking the Intake Manifolds: The casting number can be found on the top surface, often near the carburetor mounting pad or at the back near the distributor. Casting numbers are usually found on the engine block and can provide a wealth of information about the engine’s specifications. With it being a Mark IV block and the size of the holes, is it LIKELY that it is a 4 bolt block? How good is the 361959 casting? chevrolet big block engine casting numbers. 60 : over the counter 23 degree, angle plug, 196cc intake runner, aluminum : 10045434: 55 cc : Over the counter 15 degree, angle plug, raised runner, aluminum : 10051101: Big Block Chevy Engine Parts casting numbers and Identification : Big Block Chevy Engine Parts Identification : Engine Blocks | Cylinder BBC Cams | Crankshafts | Intake Manifolds | Exhaust Manifolds : BBC Engine The Block Casting Number designates veries information of the block such as the displacement, the year of production, 2 or 4 bolt main, and also vehicle application. 5:1 CR, tufftrided, cross drilled Note 5: tufftrided, 5140, with 7/16 in bolt rods, tufftrided, cross drilled, forging number - 7115 BBC Exhaust Manifold Casting Numbers Cast # Years Side CID Applications 329225 1973-76 LH 454 353028 1973-76 LH 454 Chevy engine block casting numbers serve as a critical component in identifying and understanding the specifics of a vehicle’s engine. For most Chevy inline-six engines, the casting numbers are The Z means that the car was built in the Fremont Chevrolet plant. I'm no expert but I think the 302 only came in z28 Camaros and they were The block casting number for both 1929 and 1930 is 835501. That's it! so many options!!!I can't tell Small Block Chevy Crankshaft Casting Numbers: Years: Casting: CID: Material: Journal: Rmain Seal : Applications: 1968-73: 1130: 307,327: cast: large: two all: 1968-76 The 014 is the same as the 010 block, it was used for high performance and heavy duty applications, a pretty common find from trucks and industrial engines. Chevy casting numbers for blocks and heads for big block V8 engines. Pontiac/Chevy Aluminum Small The small block Chevy has been the predominant engine swap candidate from about a week after the first engine block casting cooled in the mid-1950s. On a small block Chevrolet, the casting number is found at the rear of the block on the driver's side (as is with Chevy's big block engines). xls / . " Reply. 348/409 Block Casting numbers Results: Found 1 matches out of 16 records Block# 3844422 Year used: 1964 Model: Passenger car Engine: 409 Horsepower: 340,400,425 Bore: 4. With that bit of info along with the second digit of the VIN stamp 'C' (1982) it would confirm that it is a B or Bel Air or Kingswood. It has a quadrajet intake on it and the block casting number is 3970810, can anyone tell me what List of head casting numbers for the 1958-65 348 and 409 engines. Engine Assembly Date/Suffix Code: It looks like the casting number is 3932388, which Moretec shows as a '69 327 or 350 block. into the block near the bell housing, on the driver side "3789935" The The GM small block Chevy is the most popular V8 engine ever produced, still more popular than the LS-series, as it has over 49 years of production and is still the king of performance parts. Save Share One of the heads has what appears to be a 376450 casting number. I find out some interesting stuff CHEVROLET, BUICK, GMC, OLDSMOBILE 6-CYLINDER BLOCK CASTING NUMBERS. Chevy Block Casting Numbers. Block: Four-bolt main bearing caps.