GMSea,

I did my homework: the bore and stroke on the GMC "Big Brute" four was 4-1/2" x 6-1/2" eek

I'd say that's a "long-stroke" four!


Frank McMullen
1941 Chevy dump truck
1949 GMC 100 pick-up
1954 Chevy 3600 pick-up
1955.1 4400 dump truck
1941 De Soto & other MoPars
1928 Model A F**D Special Coupe