You should show only about 200 psi above what the regulated pressure is when you are not turning the steering wheel. That would be the differential pressure behind the flow divider valve added to the pressure of the regulated circuit. The reading you are getting down on the bottom plug is regulated pressure and should remain close to the same at all speeds. Sounds like you have a restriction but your steer to stop pressure sounds good. Steer to stop is controlled by power steering relief valve, regulated pressure is controlled by regulating valve and is the return oil from power steering so the steering pressure will always have to read regulated pressure plus the differential pressure build up behind flow divider.
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Today's Featured Article - Tractor Profile: Allis-Chalmers Model G - by Staff. The first Allis-Chalmers Model G was produced in 1948 in Gasden, Alabama, and was designed for vegetable gardeners, small farms and landscape businesses. It is a small compact tractor that came with a complete line of implements especially tailored for its unique design. It featured a rear-mounted Continental N62 four-cylinder engine with a 2-3/8 x 3-1/2 inch bore and stroke. The rear-mounted engine provided traction for the rear wheels while at the same time gave the tractor operator a gre
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