porting engine using 99 twins
10-09-06, 01:30 PM
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porting engine using 99 twins
what kind of a gain could one expect from doing a street port on a motor using 99 twins at about 10-12 psi. quicker spool up? hp increase? i know this has probably been gone over, so im sorry.
10-09-06, 04:15 PM
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NOT. The 99 twins don't make any more power than the stock twins.
Assuming ideal conditions with twins, you would probably gain 10 rwhp with a streetport, maybe 15 rwhp.
Assuming ideal conditions with twins, you would probably gain 10 rwhp with a streetport, maybe 15 rwhp.
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