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Joyridin · 07-16-2022, 09:26 AM

A 5.3l and a T56 are probably going to be the easiest to find. Get a later T56 from a Camaro or Firebird. I have a GTO T56 in my car and they have different gearing due tot he weight of the GTO. I like it, but many do not.

5.3l are pretty plentiful and you can get them for cheap. The problem with most LS based engines out of cars (not crate engines) is they have been out of production for a while now, so many have a ton of miles or need rebuilt. You can find Gen 5 engines for decent prices with low mileage, but it will cost more to do the conversion.

07-16-2022, 09:26 AM	#3
Joyridin Registered User Join Date: Sep 2020 Location: Cleveland, Ohio Posts: 488	Re: Motor/Trans 67-72 C10 Advice A 5.3l and a T56 are probably going to be the easiest to find. Get a later T56 from a Camaro or Firebird. I have a GTO T56 in my car and they have different gearing due tot he weight of the GTO. I like it, but many do not. 5.3l are pretty plentiful and you can get them for cheap. The problem with most LS based engines out of cars (not crate engines) is they have been out of production for a while now, so many have a ton of miles or need rebuilt. You can find Gen 5 engines for decent prices with low mileage, but it will cost more to do the conversion.