Small block chevy numbers stamped4/14/2024 ![]() It's conceivable that some confusion of procedure may have taken place at the service end. 'Main Caps' is the number of bolts holding the cap. I would also be interested if anyone has information about the year code being for the model year or year of replacement? I know some GM documentation is recorded stating "model year" however I have seen CE blocks with vin# and year of replacement in the sequence. GM Engine Serial Number Lookup 5: Chevy Small-Block V8 (SBC) Initiating a journey into the world of Chevy Small-Block V8 engines means traversing the history of one of the most iconic and influential powerhouses in the automotive realm. 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. This will show you how to also look up the. Casting Date Example: E038 (E Month, 03 Day, 8 Last digit of model year (1978)). This How to video will show you how to find or locate the casting numbers on your small block chevy engine block. Big block on the right side of engine above the oil pan rails. ![]() I had been looking for information on the letter suffix code, I have seen "A" used before, and it certainly makes sense that it would be a repeat of the series for the plant sequential numbering system as the warranty sequence encompassed blocks for all GM models produced there. Small block casting date is located on driver side rear of block on flange forward of bellhousing. Choose Group to View Small Block Engine Suffix Codes. For help go to engine Code help or engine decoding FAQ. The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. Only the number 4 was visible through the paint. The Engine Suffix Code is stamped on a block pad located immediately forward of the right hand or passenger side cylinder head. I found mine on the verticle rough casting near the filter only after being hot tanked. It was not always done of course and at times relocated to other areas of the block and can be very light and undetectable under paint. The authorized GM dealers were supposed to document the block with the corresponding vin # by using the same conventional gang stamp as the factory would use. The Chevrolet small-block engine is a series of V8 automobile engines used in normal production by the Chevrolet Division of General Motors between 19, using the same basic engine block. Just for conversation sake I would like to add that warranty replacement blocks were still under warranty by GM for the remainder of the initial purchase gaurantee period. The small block Chevy’s engine code stamping is typically found on a small flat pad in front of the passenger side cylinder head, next to the water pump. ![]()
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