What is the purpose of the fuel pressure gauge on a 2001 ram, is it to protect the life of the fuel pump by running too low on fuel pressure?What should the fuel pressures be on a stock 5.9 with a superchips performance module and 4" dual exhast?Also how do i get my pacbrake exhaust brake to work properly on my automatic truck,it does not feel like it is giving me much if any braking assistance?Thanks for any help.

 

The fuel pressure gauge is to monitor the output pressure of the lift pump. Since fuel is used to supply the injector pump and also circulates thorugh the injector pump for cooling, having an adequate supply is CRITICAL.

No less than 10psi at idle is good, but you also want to check pressure at WOT (which should never hit 0, but never below 5 is better). Really, the higher, the better.

As for the exhaust brake on the auto, you'll need a lockup switch in order to lock the torque converter when braking so that you actually feel the braking force.

 

A Vulcan Big Line Kit will help you out greatly. It will help you keep the FP up even with a stock lift pump for cheap.

 

Lock up switch is really cool... and an easy install. Just did one... see gallery. Instructions on TST's web site....... http://www.tstproducts.com/Torque%20...p%20Switch.pdf

RJ

 

rjohnson>> your truck is insane man!!! just peeked at your gallery!! nice stuff!! ( sorry for the thread jack, but some props are due for the work done there!!)

 

Thanks for the info I'm new to the site and appreciate all the help on the forums.