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Boring out a snowmobile

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Boring out a snowmobile

Postby pjsrevx600h.o » September 21st, 2004, 4:08 pm

How much horsepower to you gain after boring out a snowmobile. J/W because my buddies doin it to his F6
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Boring out a snowmobile

Postby that 31 car » September 22nd, 2004, 1:23 am

It depends. Just a clean up .010-.020 oversize, gains are marginal at best. If you are taking a 600 cc motor to 700 cc total volume then there are respectable gains of an estimated 5-8 HP depending on porting, and other work done in conjunction to the bore job. It's all relative to what your doing, repair for a burn down, or full modification of an engine.
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Boring out a snowmobile

Postby Xtreme XC » September 22nd, 2004, 5:18 am

Sell your 600 and replace it with an 800
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