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Re: Low fuel pressure
Quote:
Originally Posted by rodstored-72
i have a '86 C10 with dual tanks. i have a 5.3 GEN IV ('11 sub) for some reason I am averaging 53PSI at the rail. i have a AC DELCO EP380 fuel pumps. with the "Corvette style" regulator any ideas what could be causing low pressure. both tanks work - feeding fuel 7 there are no leaks.
thanks!!
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spec shows KOEO 55-61 PSI
I had a WIX brand fail within months, full fuel pump pressure at the rail.... toss it and machined down a bosch fuel fuel regulator and installed it to the stock BMW fuel filter (this was a BMW to LS swap)
https://www.bimmerforums.com/forum/s...sure+regulator
also get wayyyyy more filter media in there. only down side is inlet and outlet ports are 5/16
in all of my gen5 swaps, I use a Bosch adjustable fuel pressure regulator and a -6an regulator holder/adapter. dial it in exactly what I need.
clint
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1987 Silverado - L83 5.3 w/ 6L80e ,A/C,P/W,P/L,TILT, HID projectors, Wilwood C-10 Pro Spindles w/ 2018 silverado front brakes & C-5 Corvette Rear Disc Brakes
1999 BMW 528i - 5.7 LS1 w/ 4l60e, Ford 8.8 IRS w31 spline posi & FX-r projector retrofit
New project: 2006 BMW x5 6cyl AWD to L83 6l80e 4wd to 2WD / RWD
A poor man buy's it twice
finally got my domain name back, 87chevy.com.... site rework in progress
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