rdavid0412 Posted November 14, 2012 Report Share Posted November 14, 2012 I installed a Walboro GS340 255lph pump in my truck about 2 weeks ago and last thursday the issues started! Truck is hard to start, Can't accelerate more then 1/2 throttle, and I have low fuel pressure. Between 22-30lbs. The truck now does not hold fuel pressure either. Just for giggles I went ahead and replaced the regulator too and zero improvement. I went to the local shop I purchased my pump from and they went ahead and fronted me another pump but this time I am going to use an AEM 340lph pump! This thing even comes with its own flow chart from the testing! In return I have to bring them back the old one when I swap it out. I also ordered a fuel pump Hot wire kit from Caspers? I figured a boost in voltage and efficency is never a bad idea or investment. Quote Link to comment Share on other sites More sharing options...
Silverad0 SS Posted November 14, 2012 Report Share Posted November 14, 2012 I'm having similar problems, at WOT fuel pressure drops 40-50psi with my walbro. the stock one had 58 at WOT Quote Link to comment Share on other sites More sharing options...
Silverad0 SS Posted November 14, 2012 Report Share Posted November 14, 2012 did you drill a hole in the bottom of your bucket? Quote Link to comment Share on other sites More sharing options...
rdavid0412 Posted November 14, 2012 Author Report Share Posted November 14, 2012 I cut the bottom of the bucket out to accomidate the new pump and pick-up. Are you refering to that collar at the bottom of the bucket thats roughly 3/4" high right? Quote Link to comment Share on other sites More sharing options...
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