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Adjustable Fuel Regulator TPI Kit Source/Install

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Old Mar 11, 2022 | 12:23 PM
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From: Champlain, NY
Adjustable Fuel Regulator TPI Kit Source/Install

Have a TPI setup in my work truck and need to install a new fuel pressure regulator.

Who makes a kit to convert the OEM regulator? Stock or adjustable fuel pressure is OK.

Looks like I'll need to remove the upper plenum to install it correct?

Thanks
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Old Mar 11, 2022 | 01:32 PM
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Car: 1989 IROC-Z
Engine: L98 350 TPI
Transmission: 700R4
Axle/Gears: BW 9 Bolt / 2.77 Posi
Re: Adjustable Fuel Regulator TPI Kit Source/Install

I like the Holley one because you can adjust it without tools with the car fully assembled. You will need to take off at least the plenum, maybe the runners. It's a very good time to ensure the EGR valve is operational, as well.
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Old Mar 11, 2022 | 04:27 PM
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Re: Adjustable Fuel Regulator TPI Kit Source/Install

Originally Posted by Komet
I like the Holley one because you can adjust it without tools with the car fully assembled. You will need to take off at least the plenum, maybe the runners. It's a very good time to ensure the EGR valve is operational, as well.
OK thanks...I located an Accel APR that I had in my parts bins! Now need to keep my eyes open for another one for an upcoming project.
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Old Mar 16, 2022 | 03:46 PM
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Re: Adjustable Fuel Regulator TPI Kit Source/Install

Originally Posted by Komet
It's a very good time to ensure the EGR valve is operational, as well.
How do you test the EGR valve ?
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Old Mar 16, 2022 | 05:15 PM
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From: WA
Car: 1989 IROC-Z
Engine: L98 350 TPI
Transmission: 700R4
Axle/Gears: BW 9 Bolt / 2.77 Posi
Re: Adjustable Fuel Regulator TPI Kit Source/Install

Originally Posted by Eightyninef
How do you test the EGR valve ?
Suck / blow into it and see if it does the thing and holds pressure. Mine fell apart as soon as I touched it, but it would also not hold pressure.
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