A 270 will have 270 for the first 3 digits of the serial number.

The GMC engine is longer than a Chevy engine so you will need to move the radiator to make the swap but it has been done.


"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.