Compression Ignition Addict
Join Date: Feb 2009
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The reason the truck wouldnt start with the filter out is because there is a piece that needs to be depressed inside the housing for it to flow fuel. If its bypassed and the fuel is run directly to the HPFP then it should be fine. Ok. I have a spring from FASS for the cummins common rail setup to drop it down to around 10.
I dont think the fuel system is complicated at all. They have the cooler in place because they are returning fuel directly from the heads back to the filter housing to get used again, therefore cooling it. Not sure why it needs to be cooled though? Emissions? Some people are having problems with the stock fuel system to the HPFP. The tuning has gotten better therefore reducing the drop in pressure but it is still there. I already have the 310 beta but like I just said the tuning is way better and they have figured a way to work around it. I am going bigger with the HPFP and injectors so I need to take care of it.
08 F350 4x4 CCSB 6.4, 6" on 37s and 22s, Spartan DD w/ 310/KEM 345, Elite HPFP, Ported rails, EGR delete w/ wastegate, studs, CFM +, Rudys IC pipe, BD BOV, FASS 150 w/ custom fuel system, S&B intake, Rudys downpipe and DOC/DPF delete, CCV mod, Zex nitrous, Suncoast Trans, 1 piece drive shaft, Recon and tint everywhere. Under Construction