Quote Originally Posted by timothale
About 50 years ago my rockers wore out from lack of lube. the wrecker gave me a set off a gmc truck that turned out to have higher lift, I ground down the stands because the push rods were too short. used the truck carb, made dual exhaust.. It would out drag all the ford flatheasds.
arn't GMC engines diffrent sizes altho the same, like the 270 and 302 GMC's?