08-24-2009, 06:59 PM
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CC Member
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Join Date: Aug 2007
Location: NE Oklahoma,
OK
Cobra Make, Engine: Fords
Posts: 544
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Quote:
Originally Posted by Argess
Oh, by the way, you mentioned you are using a Carter pump? So am I. I wonder if the pressure is a bit high on those. I have a little fuel pressure guage on the inlet line to the carb and it sometimes reads 9.5 psi, whihc apparetnly is high. But I don't trust the guage as it also can read 6 at times, Guess I ought to replace it sometime.
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the pressure starts out at 6.5 lbs and goes up from there depending on how much boost is being produced. but the fuel pressure is never more than 5 or 6 lbs. more than the boosted atmosphere pressure. So the fuel isn't, or shouldn't be, blowing the float needle open.
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