Corvette engine block casting numbers. Engine Code Stamping Numbers All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. The Generation II small-block engine, introduced in 1992 as the LT1 and produced through 1997, is largely an improved version of the Generation I, having many interchangeable parts and dimensions. 64 GM winters intake. I'm 63, now, and yes it is better late than never. The 1966 had two casting numbers: 3872702 represented the oval-port, closed-chamber head for the 390-hp version, while 3873858 specified the 427-hp version with closed chambers and rectangular ports. T0506 Last edited by CanadaGrant; Apr 6, 2019 at 02:03 AM. 600 dollars. com Identification numbers for the 1964 Corvette including VIN, engine suffix, cylinder head id, and more. Across from that number is a date code casting you want, also but I can't make the date out from the picture. A guide to Chevrolet V8 passenger cars engine casting numbers for enthusiasts and restorers. The casting number can be found on the engine block, typically on the passenger side of the engine near the rear. C1 & C2 Corvettes - Correct head and block casting numbers - My 58 has a 59 block that I would like to replace, and the heads are suspect. Bill Koustenis USA is the engine code for a 1983 truck 350 engine. basically this means "it's used in everything", whereas if it simply states "Y" this means Corvette Chevrolet Big Block Engine Identification – Casting Number and Codes locations. Utilizing my own 1966 Corvette’s 327 small-block, I showed you where to find the specific codes and stamps on the engine and then I utilized several reference guides to determine the originality of the engine. How would it look? Tonight I'm taking a look at the casting numbers and date/suffix codes on the 1972 Corvette 454 LS5 restoration project to verify if this is the original mot C1 & C2 Corvettes - Engine block casting date - Where can I find the engine block casting date for a 3782870 block. Introduced in 1997, the family is a continuation of the earlier first- and second-generation Chevrolet small-block engine, of which over 100 million have been produced [5] and is also considered one of the most popular V8 Also, the numbers are specific to the size of engine in the Corvette. 25-inch stroke, typically with 2-bolt main caps, serving as the foundation for 250hp to 375hp engines. With these codes, you can determine the engine’s cubic inches, HP rating, and carburation. The 3782870 block was used exclusively for 1962-1965 327 engines. All Chevrolet Big Block engines have Cast or Stamped codes to help identify the engine. The head casting number for 1963 340 HP is #3782461. It features a 4. 64'The casting date on the block is D30 5. After an extensive internet search, I find several potential head and block casting numbers listed for a '58 290HP fuelie. Closed-chamber cylinder heads have small combustion chamber volumes for high compression ratios, with even mildly domed pistons. Bookmark this quick reference guide and check back as needed. Learn how to find and decipher your small block Chevy engine codes quickly and easily! Chevy Chevrolet small block V8 engine casting numbers - WaywardGarage. Casting Numbers for the Engine All V8 engine casting numbers are located on the top left flange at the rear of the block where the flywheel attachment is formed. The Casting dates can be found on the right side of the block opposite the casting number. 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. All holes are good. Here are the stamping numbers: Rear engine block (near bellhousing): 3858174 Pad in front of passenger head: FO7II2AS Heads, under valve C4 Tech/Performance - I need help identifying my engine casting/year - I was doing my new Vigilante install today, and saw these numbers behind the flex plate. The reverse casting (the block) would result with an embossed font on the block. Dec 10, 2007 · As the year’s progressed and engine options increased, the numbering and casting system obviously changed and became more specific. The engine block is stamped stamped with the following numbers: Blocking casting # 3959512 Block casting date # K84 Stamp Pad # CE5N2 68 The CE on the stamp would Here is a photo of the numbers, letters, and misc. Through J-October K-November L-December Now how could I tell on the Block the date it was built. Then I would check the engine stamp pad (right front of the engine block) for the suffix letters and the assemble or build date. Might trade. For Corvette engines, the most common places to find engine codes are: Front passenger-side of the engine block: Often stamped on a machined pad just in front of the cylinder head. Casting Numbers 1968 to 1982 C3 Corvette Casting Numbers for Blocks, Heads, Intakes and Exhaust Manifolds Posted on September 16, 2019 by Dino Behler Jr. C1 & C2 Corvettes - Need help decoding engine numbers please - Hi, I just purchased a 327 engine and the owner didn't know what it was from but I believe it may be from a 66 'vette. Mar 19, 2019 1 17303 Over 12 years ago I wrote a blog post about how to decode a Corvette’s C8 casting numbers and engine stamps. Not really enough info there to tell (casting number and casting date code off the top of the block's bellhousing flange would help). The Chevrolet engine block casting number 3782870 is a highly desirable, cast-iron small-block 327 cubic inch V8, primarily used in 1962–1965 Corvettes, Impalas, and other Chevy passenger cars. 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. Most of the stamped number is consistent with a 350hp/4-speed Corvette block for vehicle serial 194677S112961, which would have been built in early March 1967. Only Chevelle-specific information is listed here to conserve space. Decode small block Chevy engine suffix codes and block casting numbers with our SBC decoding info guide. A reference for identifying and verifying correct engine and drivetrain casting numbers for the exact Corvette model. 283's, 327's and 427's all had their own casting numbers specific to individual years, so for the process of documenting a Corvette engine, the casting number will be used to confirm that that block was used in a Corvette and that it was available during the same year the Agree 100%. 1964 Corvette Identification Numbers - CorvetteActionCenter. Additionally, some engines may have multiple casting numbers associated with them. The engine build stamp ays it's a Flint block (V) built on July 18th as an L79 350 HP Corvette engine with 4 barrel, AC, Power Steering, and a manual transmission. net 3914678 is a 1968 large crank journal block used for 327s and 350s in Camaros and Corvettes among other things. Continue reading → Posted in Casting Numbers | Tagged 1968, 1969, 1970, 1971, 1972, 1975, 1976, C3, casting, Corvette, engine, exhaust, left, manifold, number, numbers, right Leave a comment Explore the engine block and head casting numbers for 1966 Corvette models, vital for enthusiasts and restorers. This car was being sold by a large Corvette dealer in Fort Lauderdale, FL in 1985 when I saw it. 1962-68 Corvette engine code decoder reveals the stamp location, engine displacement, horse power, compression ratio, and Carburetor configuration. The location of this code depends on the type of engine, typically as follows: Small Block Chevy: Machined pad in front of the passenger side cylinder head. The block was assembled and stamped in Tonawanda on May 6th. 7. can some one explain this to me thank you . I'm told that this is the code correct numbers and the original numbers to the car. 82K Comprehensive guide to Chevrolet V8 passenger car engine casting numbers for Corvette enthusiasts. Casting numbers on the engine block: These numbers typically include the date and location of manufacture. There is reason to doubt that the wrong motor was installed The block casting numbers alone won’t tell you the horsepower, but the engine suffix code can provide information about the engine’s original horsepower rating, especially when cross-referenced with factory records. Corvette Casting Numbers You have come to the right place if you are trying to identify Corvette casting numbers for your car or one your working on! With thousands of pages of Archives and Resources we can find information for you on most C1, C2, and C3 Corvettes and we are working on getting C4, C5, and C6 Casting number data! Looks like casting number is right for 58-62 but "C" suffix indicates Low horsepower car application. Decoded, the first sequence is 6 for the year (66) and then the VIN sequence of 122891. Date code 8. The 193 heads were also used in truck engines. Thats probably what it is or at least what that block started life as. My engine builders software says that casting number was used from 1979 and up both 1 and 2 pc seals. Engine Casting Numbers: Chevrolet V8 Passenger Cars Estimated Reading Time: 3 Minutes 287 July 15, 2014 General Topics 0 17. OP how do you know it is the original engine? What is the block casting and date code? Engine Block Stamping Matches VIN Number Block Casting # 391 6321 Head Casting # 391 7215 / 2:12 (1968) Intake # 393 7793 (1968 427 Only) Built in St Louis Plant in MO (S Code/ 8S415198) Trim Code 425 Orange / Paint Code 992 Corvette Bronze Engine Chrome and Stainless Steel Detailed to Original Build Style Black Convertible Top OEM Correct The Essential Corvette Parts Reference,Corvette by the Numbers Corvette by the Numbers (TM) is the only authoritative reference for identifying and verifying, by casting number, the correct engine and drive-train parts for your exact model Corvette. Small Block Chevy Crankshafts All crankshafts have a casting number located on one of the rough finished throws or counterweights towards the front of the crank. This is one of the cleanest 962 blocks available This is the high performance 3855962 4 bolt main block used in the 1966 396 / 360 Chevelle and 396 / 375 Chevelle. All these are identified here. I've loved these since I first saw one as a boy. Specifically for the Corvette. Photos and diagrams of Chevy casting number locations for blocks and heads for big block and small block V8 engines. Ermine white with Std, interior, C1 & C2 Corvettes - Help with identifying engine block - I recently purchased a 1966 Corvette with and I am trying to identify what engine is in it. The stamp pad suffix "IL" would indicate a 1966 or 1967 427 ci 390 HP engine. "Main Caps" is the number of bolts holding the cap. The casting date is K 241 which decodes as November 24th, 1961. This block is dated K 2 5 and came out of a 1966 Chevelle with a 396/360. The casting number is 3782870. Engine Block 3970010 3970010 3970010 3970010 3970010 3963512 3963512 Engine Suffix CTD CTG CTH - - CZU CGW Engine Suffix with AC - - CTJ - - - - Engine Suffix with TI - - CTP CTK, CTU CTV CRI CRJ Engine Suffix with TI & AC - - CTQ - - - - Cylinder Head 3927186 3927186 3927186 3927186 3927186 3964290 3964290 Exhaust Manifold Driver Side 3846559 The 327 engine in my Corvette contains the following number sequences: 6122891 F0518HE. © ChevyWorld. Quickly, A = Chevelle, F = Camaro, X = Nova. 1971 Corvette Casting Numbers Application Block Cylinder Head Intake Exhaust (left) Exhaust (right) 350 - 270 HP Base 3970010 3973487 3973469 3846559 3989036 350 - 330 HP LT1 3970010 3973487 3959594 3872765 3932461 454 - 365 HP LS5 3963512 3993820 3955287 3880869 * 3880828 454 - 425 HP LS6 (early) 3963512 3946074 3967474 3880869 * 3880828 454 Jun 21, 2023 · Specific Information, Notes for Casting Numbers, Locations and Other Notes. If you're looking at the casting # information and it mentions 3970010 "A/F/X/Y/B". Lots of information on Big block casting numbers can be found in this book. According to the NCRS guide that translates to April 30, 1965 which is still within the production run of the 65'sI have question regarding the code stamped on the pad by the vin on the front of the blockthe code is T0505HC. Here they are H13 638 627 Any ideas? These numbers are on block right behind the flex plate. Special note for 68 and early 69 427 dates; these are located on Corvette VIN Decoder by Year Corvette Cowl, Firewall or Trim Tags Corvette Casting Numbers Small Block Chevy Engine Block Identification Chevy Small Block V-8 Casting Numbers Chevy V-8 Big Block Casting Numbers Chevy Engine Codes (Lots of Engine Related Information & Numbers) Corvette Options C3 Corvette Options C4 RPO Codes Corvette Production Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. This casting number was also used in the 1965 Corvette with 396 / 425 and the 1965 Impala 396 / 425. A 61 Corvette Engine stamped number should look more like this: 10867S1xxxxx plus two suffix letters, First "1" digit is year (61) "08" 2nd and third digit indicate Corvette "67" code for 2 door convertible "S" for St Louis assembly plant Big Block Chevy Engine Parts casting numbers and Identification Big Block Chevy Cylinder Heads Open vs. 3968512 might be right. com - Hot Rods - Musclecars - Project Cars - Farm Trucks The vin indicates the car was completed Dec. That is a hot mess. So they restamped the engine pad, WITH THE ENGINE BLOCK CASTING NUMBER. Closed Chamber - A good way to describe big-block heads is to categorize them as open or closed chamber. but I think the "O22" part of the VO22HT should be a (m)mdd code for the month and day of assembly C3 General - Block casting numbers and dates - Is there a way to determine casting dates of 427 BBC 3935439 - 427 3955270 - 427 3963512*-427 late production Block Codes A-January B-February C-March Etc. The casting date code would indicate that the block was cast on November, 1964. Open-chamber designs are larger and provide lower C1 & C2 Corvettes - 1966 327 engin pad numbers help new member - Hello all, I'm new to the forum, I've finally bought a C2 Corvette. Casting # 3869942 is the first generation 427 block, used in 1966 and 1967 in all big block applications. Head Casting Numbers: Chevrolet Small Block Engines Estimated Reading Time: 6 Minutes 286 July 15, 2014 General Topics 0 190K Rating: 4. Often hidden by the alterator. . The General Motors LS-based small-block engines are a family of V8 and offshoot V6 engines designed and manufactured by the American automotive company General Motors. Check the block casting number again. Good original condition. 00-inch bore and 3. Casting Numbers Sep 16, 2019 · This entry was posted in Casting Numbers and tagged 1968, 1969, 1970, 1971, 1972, 1975, 1976, C3, casting, Corvette, engine, exhaust, left, manifold, number, numbers, right. Casting number 3844461. If you're looking at the engine code - this is already known. Two types of crankshafts are offered, cast nodular iron and forged steel. screws, that were used to make the castings. Casting number 3794129 snow flake foe 63 Corvette 327 - 340 horse L76 . They would be changed out with each new mold or casting. The block casting number indicates that the block is either 1962 - 1963 or 1969 - 1973 depending on what table you look at. Check out this quick reference of Chevy V8 block-casting numbers. The big-block 396-ci engine had rectangular-port, closed-chamber heads (casting number 3856208). In conclusion, identifying GM truck motors can be tricky, but knowing the casting number can help you determine the make, model, and year of your engine. '69 350/350 casting numbers? Hey guys, anybody know off the top of your head what the correct block casting number (s) would be for a 1969 350/350 motor? I've come across what is supposed to be a '69 350 engine that was recently pulled out of a street rod. These are the real deal, the ones that GM used. It's a 305, 350, or a 400 - whatever you envision in your mind based on the bore and 1964-1965 Corvette small block intake. For the examples provided, I will be referring to the 327 ci 300 hp small block V8 in my 1966 Corvette. I thought I had seen it before but now I can't find it anywhere Big Block Chevy Suffix Codes: CTH - IJ GM body designation. I would start with the engine block casting number, left rear. This is a real deal 1962 Small Block Chevrolet engine long block block. 13 (258 Votes) Chevy casting numbers for blocks and heads for small block V8 engines by Mortec. C/K = TRUCK, X = Nova/Chevy II, Y = Corvette Click here for more information on body types/styles. The block casting number for a 1963 327 engine is #3782870, and this number is located on the driver side (left) rear of the engine. Find 489334 small block chevy casting numbers lookup 3D models for 3D printing, CNC and design. Bentley, GCCN. Chevelle V8 Engine Block Casting Numbers - 1964 through 1972 These block castings were used in various other models of the Chevrolet lineup such as the passenger car, Chevy II/Nova, Camaro and Corvette. I'ts an older restored (1989) 1966 roadster driver. The engine block and cylinder heads were cast at Saginaw Metal Casting Operations in Saginaw, Michigan. I'm super stoked to share with you all this amazing small block Chevy engine I designed myself during my free time for an awesome project I was working on. It looks like the casting number is 3932388, which Moretec shows as a '69 327 or 350 block. zrwu, d1ze, lzu0, d3kjp, kuau9, v3xi2k, keemqe, 7n8ju, he04f, dvqeae,