Thread: aluminum head
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Old 12-15-2017, 12:22 PM   #12
Jim Brierley
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Join Date: Jun 2010
Location: Temecula, CA
Posts: 4,321
Default Re: aluminum head
It's not high compression that causes babbitt problems, it is detonation. I ran a 7.4:1 Cyclone head for years with no problems.
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