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Old 12-08-2009, 05:00 AM
xlite xlite is offline
Motorized Bicycle Elite Member
Join Date: Jun 2009
Location: ny,ny
Posts: 736
Default Re: Do slant heads really make a difference in power?

Originally Posted by Riding Rich View Post
47.1291cc / 5cc = 9.43 : 1 "SOUNDS LIKE TIRE SKIDDING TO ME"
I wouldn't reccommend going much higher without some serious octane.
This is also about the same as the Rock Solid Billet head.
Yes. I was trying to explain to someone last week that the Zoom slant was near or beyond the limit of practical compression and the billet had no advantage in that dept..

Are we saying the PK80J "80cc" is really 50cc?
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