317

10183 Views 13 Replies 6 Participants Last post by Honda300fourtraxs$, Jun 6, 2022

Discussion Starter · Sep 21, 2017

Hey guys I'm clueless lol. What's a 317 bbk like acronym and all what does it replace where does it go and what's its purpose.

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fishfiles said:
So my 317 was bored to .025 over stock , so what it going be now , maybe 320-322 ?

I think the formula is radius squared times the stroke. Radius is half the bore in case you forgot high school geometry. LOL

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