The 270 is a very good choice. Many people have powered Chevies with GMC engines.

It will mate with your bell housing and tranny. The radiator will have to be moved forward. Perhaps you can find a GMC radiator.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.