To increase the maximum pressure setting on all gm except 1963 82 corvette power steering systems proceed as follows. Remove the power steering pressure hose from the back of the pump.

How Do I Change Power Steering Pressure On A Power Steering
Gm power steering pump flow restrictor. Using a 22mm socketwrench unscrew the factory restrictor and install the turn one flow restrictor in its place. Reduces the flow to match the steering rack thus eliminating the twitchy feel caused by steering that is too fast. Power steering pump remote reservoir gm type 2 style natural 31 out of 5 stars 2. The factory restrictor is the unit which the high pressure line interfaces with the pump. Jegs flow control valve replaces the stock flow control valve on most gm saginaw style power steering pumps. Jegs 60791 power steering flow control valve fits most.
When removing the factory restrictor there is a spring loaded plunger behind the restrictor. This valve reduces the flow when using a gm style power steering pump with ford style power rack pinion. Just behind the fitting and sliding in a bore that is inside the pump is the flow control valve assembly 6. Our flow restrictors come standard with a 13 gpm flow rate but can be sized for any application. Where do people tend to fit a ps cooler on an fd btw. Learn more in the junkyard builder department in the april 2013 issue of car craft magazine.
Surely this is doing the same thing. Tighten the new restrictor to 40 ft lbscaution. Power steering pumps with different flow rates can be purchased or built. Fittings power steering pump decrease flow id 4 7 aluminum blue anodized male 6 an for krc aluminum pump kit not yet reviewed. Our flow restrictors come standard with a 13gpm flow rate but can be sized for any application. We give you some gm power steering secrets as we compare gm saginaw pump and type ii pump.
Mustang ii gm pump power steering hose kits 29 out of 5 stars 5. Its interesting that turn one state that using a flow restrictor with a gm pump will increase fluid temps which i agree with yet they offer a range of restrictors for their own design of pump. That fitting has a one inch hex head and can be unscrewed from the back of the pump once the hose is removed. Flow control valve use with gm pump ford rack each part. You will note that the hose nut screws into discharge connector fitting 24. Turn ones flow restrictor fitting is precision cnc machined in the usa from stainless steel for corrosion resistance.
Turn one high performance steering systems builds application specific and also offers a vari flow valve that installs in place of the pumps factory flow restrictor which allows the flow rate to be adjusted via the turn of a knob. This flow restrictor is for gm p or n power steering pumps commonly called canned ham pump. Turn one fittings are precision cnc machined in the usa from stainless steel for corrosion resistance. Mustang ii power steering flow valve for gm pump 2 gpm wdetailed instructions 34 out of 5 stars 6. This flow restrictor is for gm type ii power steering pumps commonly found in c5c6 corvettes and f body ls1s. We reached out to turn one for one of its power steering pumps with the vari flow valve to install on a vehicle and test it out.