Anyone use this kit to increase supply pressure? I have dual pumps and I believe I need more supply pressure for them.

The spring and washers cost $19.00. Does it work. The kit is sold by Glacier Diesel Performance.

 

Yes, it works. I went through the walbro for a while, I was thinking about getting duals, but went to an AD... I like the AD a lot better.

Instead of buying the kit, just get some similar sized washers and put in the bypass. You do have the brass bypass, right?

BTW, PM sent...

 

depends on how much more you are looking for. I pulled the bypass apart and stretched the spring some. I now have about 23psi so it went up about 5psi from that. It has maintained that for 6 months now.

 

And remember, with these pumps higher pressure does not equal higher flow. The GDP has a harsh curve at higher flow rates. I would not go above 25-28#....