Hi guys, Is that possible? To put 454 crate engine on 79 chevy truck K20 4*4 has a 400 engine 6.6L!
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Asked by Ibra85 Jun 10, 2017 at 03:51 AM about the Chevrolet C/K 2500

Question type: General

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Capn_Steve answered 6 years ago

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.

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Ibra85 answered 6 years ago

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

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F_O_R answered 6 years ago

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

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Capn_Steve answered 6 years ago

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.

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