Normal fuel pressure
Thread Starter
Drifting
Joined: Oct 1999
Posts: 1,576
Likes: 0
From: Austin TX
Normal fuel pressure
Installing a fuel pressure gauge this weekend...
What is typical pressure I should be looking for across the rpm band??
On another note, if I am coming up short, is it easier (cheaper) to add an in-line boost-a-pump or go the full route and replace the stock pump with a high flow replacement ($400)
F
What is typical pressure I should be looking for across the rpm band??
On another note, if I am coming up short, is it easier (cheaper) to add an in-line boost-a-pump or go the full route and replace the stock pump with a high flow replacement ($400)
F
Safety Car
Joined: Oct 2003
Posts: 3,644
Likes: 13
From: South of Boston MA
Re: Normal fuel pressure (Flintstone)
I can't give you all the readings you're likely to encounter but my '01 service manual says the fuel pump should provide a maximum reading of 55-62 PSI. Even with the engine off for several hours or more you can expect to find pressures in the 5-10 PSI range so expect some gas to come out when you tap into the system with your new gauge. Good luck with the mod. :chevy
Drifting
Joined: Jul 2000
Posts: 1,818
Likes: 2
From: SoCal
Re: Normal fuel pressure (Flintstone)
I'm guessing you'll see 59 at idle. Once you stomp it, it'll fade down to 55-56 by 6000rpms.
Jon
http://www.ls1howto.com
Jon
http://www.ls1howto.com
