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Van lets try to actually ANSWER your question instead of GUESSING what you have .

heads shaved , by you ? if so what head gasket did you throw it back together with ?



I did not put the motor together. I have all receipts showing parts and head machine work. The receipts shows that the heads were shaved .006". I know I can't count on everything I read (or believe everything Ma Mopar said) but I was just trying to see if I have a compression problem, quench problem, or another problem.



do the receipts show what pistons were used ? i just noticed you said its .030 and stock replacement pistons , which could be anything and will effect the compression ratio greatly .

unless its got KB step heads you can rest asuure that you have NO quench



The part number for the pistons is SPE 2286P .030. I was told these were Speed Pro forged replacements for the '70 440, but have nothing to back that up.