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Title: Reliant compression ratios ? Post by: kapri on May 02, 2017, 04:42:47 PM How is it done ? All in the head or different pistons ?
Title: Re: Reliant compression ratios ? Post by: Olds on May 04, 2017, 07:50:48 AM I believe it was all in the head. Think they literally just skimmed std heads to get the higher compression ratio. This does mean that the HC heads have less meat in them if they need re skimming due to damage/warping and it's not unknown to break through to a waterway.
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