how much compression do I loose after spot-facing gsr head to 84mm??
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From: Norcal
how much compression do I loose after spot-facing gsr head to 84mm??
just looking for an approximate estimate of compression loss from opening up the combustion chamber to 84mm...
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From: Brooklyn, NY, USA
Re: how much compression do I loose after spot-facing gsr head to 84mm?? (SilverCIVIC96)
my hacked (heavily milled) B16 head went from 39cc to 42cc when it was spot faced and the chamber opened up to 84.5mm.
I think it was 42cc. It may have been 41. A cc is worth about .15 compression point, so it isn't a big deal.
Ben
I think it was 42cc. It may have been 41. A cc is worth about .15 compression point, so it isn't a big deal.
Ben
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