I have a stock 1972 Plymouth Duster 340. I am replacing my heads for some re-manufactured cylinder heads from Aerohead Racing w/ stainless 2.02's for the valves. The heads Aerohead racing ARO-CY-SB340. The springs are single w/ a damper spring inside of that. Seat pressure is 125 lbs. I want to use the XE274H cam. What do I need to make this work? A buddy tells me these springs will wipe the cam as it is too harsh. Help!
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