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Fuel pressure too high. ????? Fuel pressure too high. ?????
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Old 10-10-2012, 03:46 AM   #1 (permalink)
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Fuel pressure too high. ?????
I'm running a Carter electric pump for carbed engines like mine that is supposed to put out around 6 psi. I have a regulator, though I really shouldn't need it. My problem is that the pressure sits at around 7.00-7.50 which I think is too high for the needle and seat. No matter what I do to the regulator adjustment the press. never gets below about 6.50, and it shouldn't be that high in the first place! Any ideas?
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Old 10-10-2012, 04:01 AM   #2 (permalink)
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7# is fine for most any carb except webers.
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Old 10-10-2012, 04:46 AM   #3 (permalink)
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Much appreciated Gordon! The carb is a QFT 750. I'll rest easier tonight. Hope to see you at the Christmas picnic if we're doing one this year.
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Old 10-13-2012, 05:21 PM   #4 (permalink)
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How has the Qft been? what engine are you runing it on? Thanks in advance.
Roy
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Old 10-14-2012, 01:58 PM   #5 (permalink)
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Quote:
Originally Posted by Roy Hewson View Post
How has the Qft been? what engine are you runing it on? Thanks in advance.
Roy
Roy, the QFT is on a 347 with Dart heads, fairly radical camshaft, 480 hp. at the flyweel. It works excellent! I had a QFT 680 on my Roadster with a 331. A lot of tunablilty and throttle response is more crisp and snappy than some of the other carbs I've tried.
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