fuel pressure!

[RedStal95]

I am putting on my 80mm maf and 30lb injectors (thanks ron)...

What should I set my fp at?

mod list:
125hp dry shot (w/o shim), f303 cam, ported cobra mani, headers, pullies, h pipe...

thanks!

edit: 38psi seems about right for NA, but what should I set it to when I get to the track tomorrow and I'm going to use nitrous?

[Macs Stang]

andy, are you talking 38psi with or with out vacuum?

i would run around 45psi with vac off or even a little more to make sure you have enough fuel getting dumped in when you spray.

[RedStal95]

w/o vacuum

you dont think 45 would be too high?

[Macs Stang]

well 45 with vac off is 39 with vacuum on. so no i don't think it would be to high. just play around with it a bit and see what you can get out of it.

[-D]

mine is set at 41 vac on..i need to bump it up to about 50...that doesnt help you much...but gives a guesstimate

[wiplash]

I think you should do what Macs Stang suggests for the first run, then try 47 psi one run and 43psi the next run and compare your mph.

[I'm Coooooool!]

start with a higher pressure. say 45-50. then check your plugs.. adjust accordingly.

this is while running the n20