Well I got my fuel pressure gauge installed today. I was reading 8psi at idle, cruise at 55,60,70 it was 5psi, and WOT dropped to 0. Will getting the big line relocation help with the fuel pressure? Or do I need to do the and get another LP. Or should I just add a pusher set up?

 

I got a fuel pressure gauge 1 week ago and when i put it on I had the same pressures as you. I decided to go with the genuine cummins one. You cant buy it from dodge so i decided to go to this cummins dealer inn north jersey. They had the LP is stock and it was 150.00. After the LP replacement I have 14 psi at start and it will not go below 10 WOT. Now my truck actually will go over 2500 RPM.

 

Thanks. Do you happeto have the part number, that way I dont have to hassle with them when I go to get it?

 

Check this out
http://xj.cdevco.net/auto/fuelsystem/