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993 HE's Too Big for 3.0 MFI?
Im in the process of building a 3.0 MFI engine using large port SC heads. I have a set of 993 HE's with flipped flange for use on the early heads. Are these too large for use on a 3.0 MFI engine? I have heard that these engine benefit from some back pressure.
Regards Steve
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