Quote:
Originally Posted by Half-Inch Stud
Only if they are roundport and 1 7/8.
Last time i fab'd with 1 5/8 and Jeff Kauffman said they were better than any manifolds, but not better than the 1 7/8 or 2" 4-tube headers. If we do this i wonder of Kauffman will dyno them again.
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I have a set of H.O. Specialties Tri-Y Roundport headers stuffed away in storage. I haven't seen them in years, but I don't remember the primaries being that large.