12-30-2011, 01:58 PM
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Backdraft Racing Dealer
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Join Date: Dec 2004
Location: North Haven,
CT
Cobra Make, Engine: Backdraft Racing
Posts: 5,124
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Not Ranked
Quote:
Originally Posted by mreid
So...I changed the carb, tuned the idle to 15" of vacuum with all four mixture screws at 1/2 turn out and still have the same problem! I pulled a plug that was brand new with only 1 hour of run time and it was black and sooty. The soot is damp and can be wiped off with a rag. I'm now thinking I may have the same issue Chris was having with the valve seals. The problem is that I can't road test the car as it falls over as soon as I give it gas. They are easy enough the change, but still are a few hours of work. Before I do that does anyone have any other suggestions? And Brent if you are reading this thread, would you use these seals?
COMP Cams 529-16 - COMP Cams Valve Seals - Overview - SummitRacing.com |
Ford Racing sent those seals to us and they did not work. We are trying the Crane Cams seals (white) next. I don't think your issue has to do with the seals though... |
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