Fuel pressure regulator
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Junior Member
Joined: Apr 2010
Posts: 19
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Car: 1989 gta-1995 formula
Engine: 305 tpi
Transmission: 5 speed
Axle/Gears: 3-45
Fuel pressure regulator
Put an adjustable fuel pressure regulator on my 89 305 tpi just wondering what pressure i should set it for best performence thanks.
Joined: Jul 2003
Posts: 2,017
Likes: 13
From: Troup, Texas
Car: 1989 Camaro IROC-Z
Engine: ZZZ# 0607 of 1200 produced
Transmission: Pro-Built 700R4/Vig.2400
Axle/Gears: 3.27 BW 9 Bolt PBR Disc
Re: Fuel pressure regulator
set it to stock pressure and adjust from there. bumping the fp up on anotherwise stock engine won't really do much for you. Adjust for your mods
Thread Starter
Junior Member
Joined: Apr 2010
Posts: 19
Likes: 0
Car: 1989 gta-1995 formula
Engine: 305 tpi
Transmission: 5 speed
Axle/Gears: 3-45
Re: Fuel pressure regulator
just small mods exaust and intake also have slp runners, what is stock pressure, and should you check it running with vaccum hooked up also what happens if its set to high, thanks for help.
Supreme Member
iTrader: (7)
Joined: Jul 2000
Posts: 2,047
Likes: 2
From: Prince George, BC, Canada
Car: 89 GTA
Engine: 5.7L Supercharged
Transmission: T-56
Axle/Gears: Moser 9" 3.70
Re: Fuel pressure regulator
You check it with the vacuum line disconnected, stock for your year is around 46-48. To really check to see if you have a good setting is at the track or on a dyno unless you really trust your butt dyno.
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