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Originally Posted by BAB
David,
I've also been watching your header project and past questions about them since my car is similar in engine combinations and I have always debated the same transition as well. I very curious it you get a performance gain so please post once you know! Thanks
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 I'm sure I knocked 1/2 second off of my mile marker 269 to the red mail box time! I've only been to the strip twice, ever. The best time of the 1st trip was 13.64 @ 101 (Crane H272 hyd cam) and the best time of the second trip was 13.50 @ 101.5 (Comp Hyd Roller). The second trips times would have been substantially better had the carb not run out of fuel pulling through second gear. I think I've cured that with going back to my Carter mechanical from the stock (short body) fuel pump. I believe this is an upper 12 sec car given traction and fuel. And the engine never sees 5300 rpm. I love my Comp Hyd Roller cam............
I hope to get in a test-n-tune @ the 1/4 mile in Steele when the weather looks good enough for an 80 mile drive.
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frittering and wasting the hours in an off hand way....
1969 GTO, 455ci, 230/236 Pontiac Dude's "Butcher Special" Comp hyd roller cam with Crower HIPPO solid roller lifters, Q-jet, Edelbrock P4B-QJ, Doug's headers, ported 6X-8 (97cc) heads, TKO600, 3.73 geared Eaton Tru-Trac 8.5", hydroboost, rear disc brakes......and my greatest mechanical feat....a new heater core. 
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