fuel pressure question

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Oct 23, 2007 | 05:02 PM

rad russ

Thread Starter

Junior Member

Joined: Oct 2007

Posts: 51

Likes: 0

From: Dayton, Ohio

Car: 1987 IROC Z

Engine: 5.7

Transmission: 700r4

Axle/Gears: 3.27

fuel pressure question

I have a bbk adjustable pressure regulator and I was surious the stock reg ran at 36-37 psi. With the new reg can I get more pressure than this with a stock pump tpi 5.7

Oct 23, 2007 | 06:07 PM

jamesbob02

Supreme Member

Joined: Oct 2002

Posts: 1,042

Likes: 0

From: Oklahoma City, OK

Car: 92 Z28

Engine: 357 TPI (L98)

Transmission: 700R4

Re: fuel pressure question

Yes. But if you're going to start upgrading your engine for power, you need to upgrade your pump too.

Oct 23, 2007 | 06:10 PM

SpitotRs305

Supreme Member

Joined: Oct 2006

Posts: 1,974

Likes: 0

Car: 91 RS

Engine: 350 vortec

Transmission: T-5

Axle/Gears: not the best not the worst

Re: fuel pressure question

you should be running around 40 PSI 36 is to low

Oct 23, 2007 | 06:16 PM

rad russ

Thread Starter

Junior Member

Joined: Oct 2007

Posts: 51

Likes: 0

From: Dayton, Ohio

Car: 1987 IROC Z

Engine: 5.7

Transmission: 700r4

Axle/Gears: 3.27

Re: fuel pressure question

what do you think would be causing it to run at 36 or 37 verses the 40 you say?

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