Fuel pressure regulator.
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Junior Member
Joined: Nov 2022
Posts: 8
Likes: 3
Fuel pressure regulator.
I recently put new heads and cam in my tpi 305, my vacuum is lower due to cam, I think it’s affecting my fuel pressure regulator but letting too much fuel in engine, will an adjustable fuel pressure regulator help this issue if I dial it back? Or is there a different method I can use
Joined: Dec 2004
Posts: 16,753
Likes: 996
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Fuel pressure regulator.
You can tune it, check out the diy prom
Section.
AFPR will not go lower than 3 bar
Section.
AFPR will not go lower than 3 bar
Supreme Member
Joined: Feb 2021
Posts: 1,208
Likes: 449
From: WA
Car: 1989 IROC-Z
Engine: L98 350 TPI
Transmission: 700R4
Axle/Gears: BW 9 Bolt / 2.77 Posi
Re: Fuel pressure regulator.
What is your fuel pressure right now? I suggest watching FiTech tutorial videos on YouTube for instructions on how to datalog and tune your system. There are also a few manuals on the handheld tuner to help with adjusting fueling parameters.
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