Fuel pump upgrade options for NNBS...
#1
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TECH Fanatic
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Joined: Oct 2008
Posts: 1,559
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From: Fort Worth, Texas
What are they? Same as with the NBS trucks? I've got a Walbro 255 I bought for my '01 that I wasn't sure if I could use on the new truck once the need arises.
#4
the fuel pressure reg is in the tank and quite a bitch to fab up to make a walbro work. i did in my 08. used some backstrap of steel and changed the pump orings to some off fuel injectors fit nice and snuge in regulator. one problem is the size of pump had to cut springs on pump housing and space off bottom of tank. used some hose and stainless clamps .. no pics did on sat night at my shop but works great. truck with 4.8 on 12psi no meth made 438 very safe tune
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