Fuel pressure good or bad? VIDEO Inside!

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Jul 18, 2011 | 02:15 PM

joeyspagz

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From: New York

Car: 88 Firebird Trans Am

Engine: 305 tpi

Transmission: 700r4 shift kit

Axle/Gears: Posi

Fuel pressure good or bad? VIDEO Inside!

Hey i just tested my fuel pressure again so i made a video so you guys could help me. What do you think normal, Too low?? Should it be moving while revving?

http://www.youtube.com/watch?v=SSgoUE5tETo

Jul 18, 2011 | 02:25 PM

old z mzn

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From: batavia ohio

Car: 1992 z-28

Engine: 383 stealthram

Transmission: auto

Axle/Gears: 4.10

Re: Fuel pressure good or bad? VIDEO Inside!

disconnect the vacuum hose to the fuel pressure regulator and check reading. should be 43.5lbs.

Jul 18, 2011 | 02:34 PM

joeyspagz

Thread Starter

Member

Joined: Apr 2011

Posts: 122

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From: New York

Car: 88 Firebird Trans Am

Engine: 305 tpi

Transmission: 700r4 shift kit

Axle/Gears: Posi

Re: Fuel pressure good or bad? VIDEO Inside!

so will that mean its good?

Jul 18, 2011 | 03:11 PM

old z mzn

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iTrader: (1)

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From: batavia ohio

Car: 1992 z-28

Engine: 383 stealthram

Transmission: auto

Axle/Gears: 4.10

Re: Fuel pressure good or bad? VIDEO Inside!

yes

Jul 18, 2011 | 09:18 PM

burnout88

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Joined: Nov 2003

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From: Somewhere

Car: 88 IROC

Engine: 305 TPI

Transmission: 700R4

Axle/Gears: 10 bolt 3.73

Re: Fuel pressure good or bad? VIDEO Inside!

Looks like 36psi with the vacuum line applied which is normal. And when you turned the car off you actually got 43.5 whichis the reading without vacuum. Buy a Holley adjustable regulator and with the line disconnected adjust to about 48 to 50 psi for a little more power.