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1991 Z28 Fuel pump only 10 PSI

Old 06-13-2019, 07:00 PM
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1991 Z28 Fuel pump only 10 PSI

Hello All! I been trying to track the problem I been having the engine has no power, and tries to cut off when i give it gas. After replacing the coil, distributor module, TPI sensor, and fuel filter still have the same annoying issue. I decided to rent a fuel pressure diagnostic tool from Autozone and noticed only having likes 10 psi or less reading! I'm quite sure this has to be my issue all along... I have the TPI 305 engine. Any advice taking on this job I greatly appreciated. What is a good value pump assembly I can use? I seen all kinds on ebay I'm looking for any advice on that. I do all of my mechanic work my self, how dificult is to drop that tank, what things to look for and what should I be replacing in the process?
THX! for the input.
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Old 06-13-2019, 07:24 PM
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Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: 1991 Z28 Fuel pump only 10 PSI

You need to stick to one thread
https://www.thirdgen.org/forums/tech...1-z28-tpi.html

ep241 delco
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Old 06-14-2019, 05:10 PM
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Car: 86 Imponte Ruiner 450 GT
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Transmission: 700R4 3000 stall.
Axle/Gears: 9 Bolt Torsen 3.70
Re: 1991 Z28 Fuel pump only 10 PSI

All due respect to the old 80's Delco EP241, but there are MUCH better options out there now. Silent, high volume, and inexpensive. I recommend the AEM 50-1200

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Old 06-15-2019, 08:25 AM
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Car: 1989-92 FORMULA350 305 92 Hawkclone
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Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
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Re: 1991 Z28 Fuel pump only 10 PSI

I've been using racetronix stuff for years. Very good luck with those so far.
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