NOTE THAT BULLETINS;
9D-9-57, DATED 12-1-56 ALSO COVERS 1957 MODEL 4G-WITH VACUUM AND SPEED CONTROLLED GOVERNOR FOR CHEVROLET HEAVY DUTY TRUCKS (1957 CHRVROLET & GMC V-8 TRUCK 7009661 283 CU.IN.ENGINE AND 1957 CHEVROLET & GMC V-8 TRUCK 7009662 322 CU.IN BUICK ENGINE
BULLETIN 9D-10-57 DATED 12-1-56 ALSO COVERS THE 1957 MODEL 2G WITH VACUUM AND SPEED CONTROL GOVERNOR FOR CHEVROLET AND GMC TRUCKS
CHEVROLET & GMC V-8 TRUCK 7010717 283 CU.IN.ENGINE
CHEVROLET & GMC V-8 TRUCK 7008394 322 CU.IN.ENGINE
