Thanks Nero, made some compared readings against a hyster with the same motor and got different measurements using an old pressure gage. The truck that runs good had 10psi idle - 15psi WOT. The problem truck runs 15psi idle and 25psi WOT@ 1900 RPM, Let throttle off and pressure went to 30psi motor stalls and pressure slowly climbed to 40psi. Starting to think it's a regulator problem. I know my gage will not be accurate, but the readings are too different to ignore and how do I adjust the pressure? Thanks Nero and have a good weekend.
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