Quote:
Originally Posted by thor
How about the Doug Thorley headers for LS swaps into 67-72s? I think part # 324Y-C. As for cost effective, that's a different matter.
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Those are only 1 5/8" primary tubes, and all the Dougs truck headers are of the Try-Y design.... Guess if you are just looking for a set of headers and didn't mind those details, these would get the job done for you...
I prefer at least 1 3/4 for a small LS, or 1 7/8 for larger LS.