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B21F cylinder head machining

Has anyone had any luck with machining a cylinder head to lower the profile in order to increase the compression ratio on these engines? I've heard that the aluminum head can be hard to work with and machine properly. Has anyone here done this? Did it give you much more power?
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'79 242 GT






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New B21F cylinder head machining
posted by  prendergast  on Tue Feb 7 11:40 CST 2006 >


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