fuel pressure numbers

[elm302]

I just installed my fuel pressure gauge today and was wondering what I should be at idle. Right now at idle I'm at like 68 psi I have the upgraded banjos and bb mod done. When I go wot it will slowly drop to around 50 or 55 then just stay there are my readings right or is something messed up thanks.

[alwil]

I am not sure about the numbers with the bb mod but my truck I run 62-66PSI at idle, but on WOT runs as soon as it shifts to OD it drops off to 35-40PSI.
I have the upgraded fpr spring from ford.

I would say your good to go.

[elm302]

Thanks man I just figured it would idle lower how high is to high and how low is to low.

[alwil]

I think I have read on here 70-75psi is too high and 45psi and lower is too low.

[elm302]

Awesome thanks man.

[alwil]

no problem

[Nyberg]

hi i ask question here instead of starting new tread,, if its ok for u ??

on idle my gauge stand over 100psi,, doesnt go higher so dont know how high,

normal drive its around 80psi,
and on full gas it drops down to 42psi then goes upp a little but stay on 45psi maybe,

i have a longer spring, same as bbmod,

no banjo bolts but have order,
srl tune from matt,

how can i get higher pressure on full gas,,
and why do i have so high on idle ?

[elm302]

Where's your sending unit at. And I assume that's with the srl tune seems way to.high might wanna get that looked at bud.

[Nyberg]

i have it at test port, fuel filter in engine..
thats whit srl tune, havnt checked whitout,

think im going to try ant put original spring back and se what happends,

[2 stroker]

Originally Posted by Nyberg

i have it at test port, fuel filter in engine..
thats whit srl tune, havnt checked whitout,

think im going to try ant put original spring back and se what happends,

Anything over 70lbs you may blow the o-rings off the injectors and anything under 45 at WOT is to low and it will kill injectors. Mine was 50lbs at idle and 44lbs WOT installed the new reg kit now mine is 62 idle and 58 WOT it has come down about 2 lbs on both ends, i think the spring has found its sweet spot.
2 stroker