I am looking for the best fuel pump on the market for my 2002 WS6 with a 200 horse shot. I don't care if I have to change the one in the tank or what. Also I am courius on how to adjust the fuel pressure reg on my car and were the heck is the darn thing or would it be best to put a good pump that will keep up with my 200 shot and leave the regulator alone. Last thing is does anyone know what the lowest safe fuel pressure to run 150 and 200 shot is? I need to set my fuel pressure safety switch.

 

I would go with a 255 intank or keep your stock one with a inline t-rex,and you will most likley have to get a efi adjustable regulator.I would give you some insight on your fuel pressure ? but I run a carb style system on my 02' I run a holley carb regulator and flow the system with the fuel jet in the nozzle.If this is how you have yours setup(I doubt)Nx reccomend 10psi for anything above 175.