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Discussion Starter · #1 ·
Got a line on some heads for my 2001 Xcr motor.I want to bump the stock compression up.The heads are 14.1 and 13.1 both sets. I would imagine some more timing is going to be need and premium only fuel and maybe some jetting .I just wanted to also know what the stock compression is as a ratio for the heads.
THX
 

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Shoot Madcow a pm and he should be able to answer most questions for ya, he knows his xcr800s like the back of his hand.
 
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