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a good 3 angle valve job new valve stem seals and decking the head to make sure it is square is a good idea. don't need to go crazy on porting. the turbo will push the air through no matter what. cams help but are not life or death. your not looking to make the highest hp miata ever.
Last edited by Twisted tuning; 10-19-2012 at 04:25 PM.
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