Re: oil pressure while in 4wd
The oil pressure should not be affected by the gear change. Your pressure reading on the dash is controlled by the PCM. I suspect that there is something happening to the BUSS signal to cause this. I suspect there is no problem at all with the engine itself
230 hp 4.3L Chevy
Built 4L60E with manual lockout
Atlas 4 speed
Griffin radiator
On board air
Warn 9.5ti on custom bumper
7.5" RE front and bastard pack rear on custom long arms
30 gal gas tank
lockers
And a bunch of other stuff
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