1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Weber IDA Fuel Pressure

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Old Mar 21, 2010 | 10:10 AM
  #1  
legokcen's Avatar
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Weber IDA Fuel Pressure

I've searched and some threads are telling me different results. I'm running an IDA 48 on a '90 13B 6port. Should it be 4 psi? i'm running the Holley fuel pump.

Thanks in advance.
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Old Mar 21, 2010 | 10:19 AM
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I think RB recomends 4.5psi. for this.
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Old Mar 21, 2010 | 12:24 PM
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From: Socal
that depends on your jetting and such, especially if you have a return. 4.5psi is not enough in my RX3s.
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Old Mar 21, 2010 | 04:40 PM
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I run 6 psi and do not use a return line. This is on an EP racecar so it may diifer for street aplications.
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Old Mar 23, 2010 | 03:32 AM
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i ran 3-4 psi with mine, with no return line, no problems ever
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