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Registered
Join Date: Jan 2006
Location: Clayton NC
Posts: 1,674
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Weber fuel pressure
Is 2.5 psi enough fuel pressure for Weber carbs? How would the engine run at 2.5 psi? I've always thought that 3.5-4 was correct. All other adjustments ballpark. Engine is 2.4T with Webers.
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gary 70T coupe forever almost done 88 Carrera Targa diamond blue |
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11-22-2014, 02:42 PM
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Join Date: Feb 2008
Posts: 1,438
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Weber specification for fuel pressure is 3.56 psi. Lower pressure will flow less fuel than a higher pressure. Fuel delivery is rated for sustained full throttle operation. Doubtful that you would need higher pressure for a 2.4T for normal street operation.
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Paul Abbott Weber service specialist www.PerformanceOriented.com |
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11-22-2014, 04:30 PM
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Join Date: Jul 2001
Location: Portland Oregon
Posts: 7,007
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Gary,
Paul is spot-on as usual.  3.5 psi is the targeted fuel pressure and after that's set, float levels should be checked and adjusted as needed as one is dependent on the other.
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Steve Weiner Rennsport Systems Portland Oregon (503) 244-0990 porsche@rennsportsystems.com www.rennsportsystems.com |
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11-22-2014, 10:17 PM
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Location: Clayton NC
Posts: 1,674
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Thanks for the replies. I'll pass on the info. Friend won't be happy that the floats need to be reset.
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gary 70T coupe forever almost done 88 Carrera Targa diamond blue |
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11-23-2014, 02:26 AM
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carrerarsr65
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fuel regulator
do you guys suggest the pmo regulator???
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11-23-2014, 11:34 AM
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Join Date: Jul 2000
Location: So. Calif.
Posts: 19,910
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Quote:
Sherwood |
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11-23-2014, 11:38 AM
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