lt1 intake swapers inside i have a ques about fuel pressure
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Joined: May 2002
Posts: 203
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From: illinois
Car: 92 camaro
Engine: 383 stroker
Transmission: probuilt 700r4
lt1 intake swapers inside i have a ques about fuel pressure
what is you fuel pres with vacum on ans vacum off and are any of you running a adjustable fpr if so what brand how much was it and was there any fitment problems? thanks
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Joined: Feb 2000
Posts: 2,361
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From: Savannah, GA
Car: 1997 Jeep Wrangler
Engine: 4.0L
Transmission: 5 speed
Axle/Gears: 8.8 rear, 4.56 gears, 4:1 transfer
I run a SLP AFPR kit. Not recommended for the weak hearted
. The SLP kit requires you to totally destroy the stock FPR in order to comply with the changeover. If you slip and ruin it that'll cost you between $70-100 for a parts store FPR and try again. The SLP kit costs $65.
The SLP kit doesn't have any fitment issues, it clears the distributor but just barely.
I have heard that Aeromotive has a complete ready to go AFPR for about $130 but rumors say it hits the distributor.
I am running 48 psi with the vacuum off. I am really un-interested in the reading with vacuum line connected, it's somewhere in the 30's though. Doesn't really matter, you don't want max fuel pressure all the time, just at WOT.
. The SLP kit requires you to totally destroy the stock FPR in order to comply with the changeover. If you slip and ruin it that'll cost you between $70-100 for a parts store FPR and try again. The SLP kit costs $65.The SLP kit doesn't have any fitment issues, it clears the distributor but just barely.
I have heard that Aeromotive has a complete ready to go AFPR for about $130 but rumors say it hits the distributor.
I am running 48 psi with the vacuum off. I am really un-interested in the reading with vacuum line connected, it's somewhere in the 30's though. Doesn't really matter, you don't want max fuel pressure all the time, just at WOT.
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Joined: Oct 1999
Posts: 548
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From: Dallas, Texas
Car: 1991 Z28
Engine: 5.3 Gen III SBC
Transmission: 4L80E NTC 258mm Stall
Axle/Gears: Trick Chassis 9" 3.50 S-Strac
I have a Aeromotive AFPR (sorry not installed yet) but with the dist & cap sitting in the hole it will come in contact with cap. But I think I will still beable to turn it. I will know for sure in 2 weeks when My motor is done. but it looks really good and is a very nice piece I paid 147.98 to my door from Thunder Racing (a sponser)
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