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Mod | | | Forums66 Topics128,140 Posts1,056,770 Members48,454 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Nov 2001 Posts: 128 Wrench Fetcher | | Wrench Fetcher Joined: Nov 2001 Posts: 128 | I have a rebuilt 302 GMC straight 6, that is stock. Instead of installing fentons, I want to fabricate tubular headers into duel exhaust. I manage a tube bending/fab shop, so why by when i can make? Since there are 4 exhaust ports on the head, two are smaller diameter, two are larger, what size tubing should I plan to use to accomodate this? I plan on using 2" OD stainless tubes for the exhaust and want it to breath nice. Any suggestions, photo's etc would be very helpfull. Also, I would prefer buying a 2 in 1 collector instead of making it, if they are available. Can anyone recommend a source for stainless collectors? | | | | | Joined: Oct 2001 Posts: 3,458 Extreme Gabster | | Extreme Gabster Joined: Oct 2001 Posts: 3,458 | Clifford lists recommended tubing sizes on their website.
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A lone amateur built the Ark. A large group of professionals built the Titanic. | | |
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