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cant turn down the fuel pressure

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Old May 14, 2008 | 09:41 PM
  #1  
intex1982's Avatar
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From: anderson ,sc
Car: 89 formula/00 z28
Engine: carbed 350/ls1
Transmission: 700r4/ a4
Axle/Gears: 3.23 posi/ 3.73 posi
cant turn down the fuel pressure

i have a barry grant fuel pressure regulator 170025. how do u turn down the pressure? its around 12psi trun it both ways?
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Old May 14, 2008 | 09:55 PM
  #2  
xpndbl3's Avatar
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From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
Re: cant turn down the fuel pressure

how is your return line? sounds like it's too small and creating a restriction. generally they will have install instructions on their website fyi.
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