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leaded gas

  1. Chit Chat Area, Anything on your mind goes here.
    What if anything do any of you add to older engines designed to run on leaded gas. I know the new oils and unleadded gas don't have all of the additives the older engines needed for proper operation. (Lead, Zinc, and who knows what else was removed) I have a 1970 sbc 350 with 10.25:1 compression...