2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Fuel pressure psi

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Old Dec 11, 2003 | 01:45 PM
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SUPRAMAN
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Fuel pressure psi

I'm about to buy a fuel pressure gauge to go on my fuel pressure regulator does anyone know what psi it should go up to? They have like 0-60 and 0-100. Autometer good enough?
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Old Dec 11, 2003 | 03:06 PM
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Turbonut's Avatar
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I'd go witht the 100 max. Even though the normal would be half that amout, any testing could be done with that meter.eg fuel pump straight pressure to 90/95.
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Old Dec 11, 2003 | 03:07 PM
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FSM test procedure for max pump output indicates approx 92 psi.

Rob
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Old Dec 11, 2003 | 03:19 PM
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Regulated fuel pressure is 37 psi + boost pressure. Example, 20 psi boost will result in 57 psi fuel pressure. For better measurement accuracy, pick the narrowest range possible, ie 0-60 psi if your boost level is below 20 psi.

If you want to check maximum pump pressure (as opposed to regulated fuel pressure), then as Rob500 mentioned, a higher pressure range will be needed.
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Old Dec 11, 2003 | 03:59 PM
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SUPRAMAN
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well i just need something to tune it somewhat. so i guess i'll go with the 60psi one
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