1971 Ls6 454 Chevelle Camaro Corvette 3963512 512 Block 3994026 026 Heads 7416 on 2040-parts.com
Klamath Falls, Oregon, United States
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Feel free to ask any questions or to make an offer. I may sell parts separately if buyer would like. I will also ship at buyers expense. Buyer will arrange shipping and I will crate it up for shipping.
I have for auction a 1971 LS6 454 425HP 4 bolt main engine block with extras. The extras will include a set of 7/16" dimple rods, forged steel 454 7416 crank, a set of .030 over used but in excellent shape LS6 TRW forged pistons, 3994026 rectangular port heads. I also have a new factory spec LS6 cam and lifter set. The engine is now .030 fresh bore. Crank is standard on the mains and standard on the rods. It is ready to run. The heads are bare castings so they will need valves and springs. Here are the casting numbers and dates from the parts: Block. 3963512. Date E-17-71 Heads 3994026. Date F-16-71 Crank 7416 forged steel I did have the block lightly decked to ensure the decks were trued up and clean, but had them leave as much of the stampings on the pad as possible. I also had the cylinders bored to .030. I am including the TRW .030 forged LS6 pistons in case someone wants them. Block has been cleaned, magnafluxed, lightly decked, and cylinders bored. Heads have been cleaned and magnafluxed. Crank has been cleaned, magnafluxed, and polished. As you can see in the photos the stamp on the block is CRR. Not sure why this 71 block is stamped with a 1970 code but have been told and read that GM carried this code over from 1970 to later years in Marine applications and have also been told that GM or Dealers would stamp the correct code on a factory/warranty replacement block, but alot of the time that didnt happen because the workers didnt do it. I believe this was a warranty replacement for a 1970 LS6 Chevelle that is why the CRR code and I think it was possibly installed in 1971 that is why the 1971 dated block and heads....although I cant verify that. Thanks for looking and feel free to ask any questions. I will try and answer them to the best of my knowledge of the parts. |
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