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Old 12-05-2007, 05:04 PM   #8
Jim_PA
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Join Date: May 2005
Location: PA
Posts: 2,696
Re: comp xr270hr roller cam

Check the compression recommendation on that cam.

Edit; actually comp posted a dyno sheet @ 9.25:1, so I think that means it'd be fine.

http://www.compcams.com/Technical/Dy...0HR-10_001.asp

Last edited by Jim_PA; 12-05-2007 at 05:36 PM.
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