There are lots of engines available to stuff in your 4x4, but the small-block Chevy has never been surpassed as the hottest engine swap ever. With the Generation III and IV engines (aka LS Series) ...
My new-to-me '65 truck was missing everything but the axles when I bought it, so basically I brought home a good body and frame. This "new" truck, a Dodge M37, is very similar to the classic civilian ...