switching from 1 3/4 to 1 7/8 primaries
07-08-2006, 04:14 PM
#1
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switching from 1 3/4 to 1 7/8 primaries Anyone have dyno comparisons between 1 3/4 and 1 7/8 primaries headers on larger cubic inch motors? I currently have 1 3/4 stainless works headers on my 408 and am wondering if I would gain anything by switching to 1 7/8 kooks headers.
