Hi guys, Is that possible? To put 454 crate engine on 79 chevy truck K20 4*4 has a 400 engine 6.6L!

Asked by Jun 10, 2017 at 03:51 AM about the Chevrolet C/K 2500

Question type: General

5 Answers

575

Yes it's possible, But you will need to get 454 exhaust manifolds/headers, water pump, pulleys, accessory brackets, and some other various minor things.

1 of 1 people found this helpful.

Do I need to do anything for the transmission!! However, the transmission is auto.

65,955

I would buy a transmission built for the big block torque. http://www.superchevy.com/how-to/46140-chevrolet-transmission- swap-guide/

1 of 1 people found this helpful.
575

You don't need to do anything to the transmission. The big block and small block transmissions were exactly the same. The 400 small block that came in your truck was only paired with the TH400 transmission. That will handle plenty of torque. The 454 will even be ok with the TH350 but not the best choice for the application.

1 of 1 people found this helpful.
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Thanks guys for answering.

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