tpi fuel pressure
07-10-2010, 07:25 PM
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Car: 92 RS
Engine: 383 FIRST TPI OBDII DBW
Transmission: T-56
Axle/Gears: 3.73 POSI DISK
tpi fuel pressure
I have a question I have tpi on my 91 camaro now and was wondering what fuel pressure I should start off with. I have a 383 with 24#lb injectiors also a aftermarket afpr and a mail tune order. I have read and read for days to fine a fuel pressure to start with but I read 37lbs all the way to 50lbs. any help would be apprecteid.......
07-10-2010, 09:01 PM
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Car: 91 Z28 CONVERTIBLE
Engine: 305 TPI
Transmission: 700R4
Re: tpi fuel pressure
According to the dealers service manual for 5.0L & 5.7L with the ignition “ ON " and engine “ OFF " (zero vacuum), fuel pressure at the test conection should be (41-47 psi). I have it at 46 psi you can set it 50 psi. Also check this site https://www.thirdgen.org/optimal-fuel-pressure
Last edited by Smoothjr91z28; 07-10-2010 at 09:05 PM.
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