You must have a Garrett turbo... they have clearence issues with the turbonetics cast manifold. You need to buy a flange used to make a header and throw that in-between the head and the manifold as a spacer. I have a tubonetics turbo (S cover) with the same manifold and I have over a ince of clearence
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Here is a link to get the flange/spacer:
http://www.roadraceengineering.com/f...andgaskets.htm
Sorry had to rub it in... Lok at all the room I have:
