Fuel PSI

Discuss the RB20, RB25 and RB26 series engines.
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PsiloX
Posts: 52
Joined: Mon Aug 18, 2003 2:03 am
Car: cars, computers

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I've seen from a few posts that with the welbro fuel pumps the actually raise the fuel pressure above normal. I'm going to get a regulator to fix this. How much pressure do I need at the rail when I adjust at idle? 42 psi? I just want to verify this before I do it.

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Joe
Posts: 6511
Joined: Sun Feb 09, 2003 8:29 pm
Location: Phoenix, AZ

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i belive its 38psi with vacuum 42 without, both at idle.

anyone wanna confirm?
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JonPowell
Posts: 1522
Joined: Tue Feb 18, 2003 2:06 pm
Car: Cars, Music, My family
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35 and 43 otherwise correct.
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