Author Topic: cool bore piston  (Read 312 times)

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Offline westonedelbrock

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cool bore piston
« on: April 27, 2020, 10:08:06 PM »
ive searched and done a little research but haven't exactly found the right answer. with a model 25 or cool bore 28 can you use a replacement piston that was for an iron sleeved? I have a model 25 I'm building to likely cut grass again but like always the bore is scored and plan to bore or hone to next oversize with an actual hone. what about a magnesium piston? could you bore and sleeve to 31 and make basically a big bore model 28?




Offline Negrey

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Re: cool bore piston
« Reply #1 on: May 03, 2020, 11:01:04 PM »
25&28 have different stroke cranks but same bores. Boring and sleeving to fit a 31 piston in your 25 might only put you at 28cid anyway. Finding a complete engine might be easier and cheaper to cut grass.
Evan


 

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