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Old 01-07-2011, 10:25 AM
Tom Howland Tom Howland is offline
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Join Date: Dec 2000
Location: Corralitos, CA
Cobra Make, Engine: 1980 Arntz 427W, Webers, TKO600, Jag IRS
Posts: 476
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Gary,
I put in the 60 idle and the 40 chokes and A/F went to 18/21. I really thought I was going the right direction. Not. I could hear detonation. I now have everything back to first startup. Major popping at cruise speed 2000/2500 rpm. Maybe air leak? I’ll check around spacers and header gaskets. Then keep adjusting mixture screws 1/4 turn at a time and drive. I punch it in 3rd and it feels like it's trying to leap off the road and fly. I think the rear tires are braking loose.

Lemans24
I’m glad you brought that up. On my list but forgotten. I’ve got a place I can put in a throttle stop
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