ADTR Headers for Bonneville's, questions for the masses.... - Page 4 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 12-04-2002, 12:00 AM   #31
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gonna let ya'll in on a little secret... stainless steel cracks. unless you have massive support on the headers its gonna crack. i made headers for mustang svo'* for a long time, and the ss finally bit me in the ***. everyone was complaining, so heres how you do it, just to let you know... between each of the primaries, on the flange, cut the metal. it will basically look like 3 separate flanges, but what it does is let each primary expand and flex independently, but also be sure to use supports wherever you can.
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