fuel pressure switch
Thread Starter
Staging Lane
Joined: Jan 2007
Posts: 67
Likes: 0
From: Granby, QC, Canada
fuel pressure switch wich range of FPSS should I use on LSx engine? I know that the stock pressure is around 58 p.s.i so one with a range from 25 p.s.i to 60 p.s.i will work? Finnaly, where I should set it ? at minus 3-5 p.s.i ( 53-55)?
tanks!
-paq-
tanks!
-paq-
Guest
Posts: n/a
If the range will go up all the way up to 60PSI you will fine. I'd put a Fuel Pressure gauge on the car ( whether it be temporary or permanent and see how much of a pressure drop you have ( when you go full throttle ) and set it 1-2 PSI away from that.
-Chris
-Chris
Last edited by Chris@NitroDaves; Jan 13, 2009 at 10:08 AM.
Chris is right. Usually try to set it a few psi below what you're seeing for a drop (as long as it isn't a ridiculous amount, don't use the switch if you have an obvious supply issue). I will tell you now though that you'll have to play around with the switch a little. They're not dead nuts on or consistently accurate. If you need any directions for it let me know and I can email you some. Thanks.
Nick
Nick
