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| Re: Difference between H89 and H75 heads? |
Subject: Re: Difference between H89 and H75 heads?
by clyons8 on 2010/10/27 14:18:27
Mostly the combustion chamber CCs and the water cooling holes to the manifolds, I think H75's are a dry manifold head?
Apart from that once you machine them down past the excess alloy surrounding the combustion chamber, they perform just as well as a H89, I think so anyway.
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