Stepped piston hitting head, options and advice needed.

Cudafever said

So you're saying that that dome/step piston had less compression than a Standard Step/dished piston????? Im still missing something here

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The pad is small, it's on one side of the piston that zero decks, thats also a small area....the rest is a 'below deck' dish. and 23.5 cc of volume HAHAHAHAHA