[C10 - C90 Bill]

Originally Posted by ClassicTVMan1981X

ENGINES
GMC 401 V-6 = used on gasoline Series 80 models with engine code "?" (1966-74)
GMC 478 V-6 = used on gasoline Series 80 models with engine code "?" (1966-74)
Chevy 427 V-8 = used on gasoline Series 80 models (incl. Bruin) with engine code "?" (1975-81)
Detroit Diesel 6V-53N = used on diesel Series 70/80 models (incl. Bruin) with engine code "V" (1966-81)
Detroit Diesel 6-71N = used on diesel Series 90 models (incl. Bruin) with engine code "I" (1970-81)
Detroit Diesel 6V-92T/TA/TT/TTA = used on diesel Series 90 models (incl. Bruin) with engine code "J" (1976-81)
Detroit Diesel 8V-71N = used on diesel Series 90 models (incl. Bruin) with engine code "H" (1970-81)
Chevy Toro-Flow DH-478 = used on diesel Series 70 models with engine code "M" (1966-72)
Chevy Toro-Flow D-637, DH-637 = used on diesel Series 70/90 models (the latter with 93" BBC only) with engine code "J" (1966-72)
Cat 3208 = used on diesel Series 70/80 models (incl. Bruin) with engine code "Y" (1975-81)
Cummins N series (NH-230, NTC-290, NTC-350, et al) = used on diesel Series 90 models (incl. Bruin) with engine code "N" (1970-81)
Cummins V-903, VT-903 = used on diesel Series 90 models (116" BBC only) with engine code "?" (1970-76)

Please feel free to reply with any additions or corrections.

One I see that is missing from the list is a 637 V-8 Gas. They put them in GMC 9500's anyway, not real sure about Chevys.

Bill