If you’re putting the cylinders at TDC(or valve overlap) don’t waste your time with compressed air. As long as you can tighten the valve spring up enough to compensate for the valve falling slightly just let it rest on the top of the piston.
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AMC weirdo
1969 SC/Rambler
1971 SC360 Hornet
1968 Rambler Gasser-under construction
1970 A66 Challenger- now 440+6
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