Fuel Pressure Regulator

[bkspear]

The new fuel pump I am using in a 1987 Jeep YJ is pushing around 90 psi according to
my fuel pressure gauge, which is way too much for my engine. I need between 58-60psi. Can anyone
recommend a fuel pressure regulator that will bring the pressure down to what I need? Thanks.

 

[deadpool1]

custom drive line, not posted, at all
gm engine there. not told. all parts of that for sure how it injects with what. PCM

 

[deadpool1]

you do have other posts that hint of , alien engine.

GM 5.3 engine, from what car? model; year?

GM ,LMG engine from
GM’s 2006-2014 GMT900-based SUVs, including the Chevrolet Tahoe and Suburban as well as the GMC Yukon and Yukon XL.
or
5.3-liter V8 EcoTec3 L83.????

a 2007 Yukon does this act. (electronic FPR)_

FSCM, a fuel system control module, lost that?
it USES the GM rail sensor to run the specIAL GM pump (pure electronic controls)
so why not fess up tell what EFI system controls this GM engine

 

[deadpool1]

ODB2 scans getting GM oem PCM DTC errors for FSCM or its sensor???
put the full build, mods , in your profile. for sure ever thing related to EFI/PCM. it is custom made jeep.
no jeep sold this year like this jeep
the i6, 4.2L had carb for fueling that year. long long gone that carb.