Where did I read that all 261's were drilled for hydraulic lifters even if they came with solid lifters? Am I wrong? Different cam required?

Last edited by Wally / Montana; 11/15/2020 5:34 PM.
1948 3/4-Ton 5-Window Flatbed Chevrolet

34 Years. Now with a '61 261, 848 head, Rochester Monojet carb, SM420 4-speed, 4.10 rear, dual reservoir MC, Bendix up front, 235/85R16 tires, 12-volt w/alternator, electric wipers and a modern radio in the glove box.