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100psi oil gauge in place of fuel pressure gauge?

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Old Sep 25, 2009 | 03:23 PM
  #1  
thunder85's Avatar
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Car: 1988 firebird trans am GTA
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100psi oil gauge in place of fuel pressure gauge?

hey all,

I'm having fuel pressure issues, and just blew the gauge on my fuel rail (accell 60psi) after doing the return line squeeze test to confirm my fuel pump was working to its full potential. no shops have pressure gauges here and I need to get my car straightened out over the weekend. it was recommended to me to use an oil pressure gauge in a pinch (fluid filled) by the local speed shop. have any of you done this, and would it be an acceptable temporary replacement? i'm not fond of fires or things of that nature, but losing 3 or 4 days of tuning and work to get another gauge shipped is going to be seriously unhandy.

thanks!
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Old Sep 25, 2009 | 08:32 PM
  #2  
vetteoz's Avatar
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: 100psi oil gauge in place of fuel pressure gauge?

Works fine ; the copper tube inside the gauge doesn't know what liquid is in it ;
just that the 100 psi scale is harder to read acurately
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Old Sep 26, 2009 | 11:57 AM
  #3  
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From: Spokane WA
Car: 92 Lingenfelter Z28 articwhite
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Re: 100psi oil gauge in place of fuel pressure gauge?

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make sure you use a isolater (spelling) to keep all the gas out from inside the car... get the right Guage. AND DO THE REPAIR only 1 time..

above 1 for the eng.. and 1 for the NOS.
as luck would have it at.. A FAST LOOK when checking the Guages.
all needles are pointed strate up on all 3. (when running)

showing
925/950 nos bottle
7 1/2 psi nos fuel pump
54psi eng gas presh

sweet how that came out

Last edited by articwhiteZ; Sep 26, 2009 at 12:06 PM.
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Old Sep 26, 2009 | 05:09 PM
  #4  
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From: Savannah GA
Car: 1986 IROC
Engine: 355" TPI
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Re: 100psi oil gauge in place of fuel pressure gauge?

you can get a test gauge at most auto stores that will allow you to set the pressure.
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