110 cui engine knock
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Stage II
Joined: Feb 2008
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110 cui engine knock
Hello, I am new to this site and had a question on my new 08 screaming eagle ultra. Is spark knock a common problem under heavy acceleration? I run 94 octane or better, but do I stil need a booster? Any replies would be appreciated, Thanks.
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Joined: Mar 2007
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From: Woodstock, Ont , Can
If you're running 94 already, I would be looking into piston slap more than detonation problems. Knock sensing should take the ping out if working. There is a possibility you could be excessively lean as well, maybe from a leaking intake seal. It should run fine on 91 if all is well.
Ron
Ron
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Joined: Feb 2007
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From: LOST WAGES
Did you have the Campaign done? Check this thread
https://www.hdforums.com/forum/screa...vo-recall.html
also check Here http://www.cvoharley.com/smf/index.p...ic=25324.0;all
https://www.hdforums.com/forum/screa...vo-recall.html
also check Here http://www.cvoharley.com/smf/index.p...ic=25324.0;all
Last edited by Hal64hd; Feb 7, 2009 at 09:34 PM.
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