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John, In my other car I have a 440 block that I put in sixpack pistons and sixpack rods. I'm using 452 heads on this motor and I do have pinging at higher rpms. More noticable when I get on it. Would a different set of heads do better on this motor?Like 915s? I always hated hearing the pinging!!!

Going back to the 426, can you tell me what specs I would need to order custom pistons for this engine to make it right? Thanks, Alex



Are you looking for a set of old standard bore pistons, flat tops? I also know where there is a set of 70 over hi comp pistons. Or even some real old TRW 60 over 13.5 pistons.