I finally got a free weekend to install my Autometer fuel pressure gauge. Had a slight fuel leak at the T junction but I fixed it by retightened the joints.

Now that I can see it working I'm getting 35 while at idle. What kind of numbers should I be watching for?

 

34psi is base idle FP. 43 is WOT pressure on an NA car.

Dixit

 

How about while boosting?

 

Depends on the size of the FMU disc.

Do the calculation yourself and find out where you should be.

Boost pressure in lbs x FMU Disc size + (17) = FP

Example at 8psi with 8:1 disc

8 x 8 + 17 = 81psi FP.

Dixit

 

Thanks BigDogJonx