Quote:
Originally Posted by special-K
Dougs Tri-Ys work,from what I`ve seen.Good luck with Stan`s.I igure they`ll want to get this right.
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Stan's Tri-Y headers are actually direct copies of Doug Thorley's...(Doug Thorley was the original designer of the Tri-Y header).
I have a set of 18 year old Stan's Big block Tri-Y's on the wifes Blazer and a set of 25 year old Doug Thorleys on my 68 GMC BB 4X4.. (Both Automatics) both header are the exact same design, shape etc with exception of the Stans set has 2 inch primarys and the Thorleys are 1 7/8