What Fuel pressure?

T

tbird187

Founding Member

May 29, 2002

392

1

0

Indiana

Nov 12, 2005

#1

• Nov 12, 2005

• #1

I am wondering a good base fuel pressure to start tuning at... right now i have, and I set this with the vaccume line unplugged right?

302
trickflow intake
trickflow cam
ported e7's
bbk longtubes
h pipe with flows,
65mm tb
bbk cai
kirban fpr

 

5spd GT

"the 5.0 owns all"

Founding Member

Aug 7, 2002

9,516

6

99

Arkansas

Nov 12, 2005

#2

• Nov 12, 2005

• #2

Is this with stock injectors (brown/orange) in color?

You will most likely want to upgrade those to 24lbers.

With 19lbers (stock injectors) you would probably want fuel pressure in the mid 40psi range with vacuum line off. Maybe even more to get a good a/f ratio or atleast help...

 

notchback

Founding Member

May 30, 2000

1,950

0

36

St Clair Shores MI

Nov 12, 2005

#3

• Nov 12, 2005

• #3

i'm thinking about 38psi

 

dstanggt50

Founding Member

Sep 13, 2000

1,316

0

0

Woodinville, WA

Nov 12, 2005

#4

• Nov 12, 2005

• #4

I would start around 40, depends on the combo, my car likes to run w/a little more f/p, I run around 43