Mustang II Power Steering Flow Valve for GM Pump, 2 GPM
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Q & A
What's in the Box
It is common to use an early GM power steering pump with a Mustang II power rack and pinion. Most who have tried it have found that the steering was twitchy or that it easily darts. This valve reduces the fluid flow from three gallons-per-minute to two gallons-per-minute, which cures the problem. For applications using the O-ring style power steering hoses. Installs in the back side of the pump as shown in the extra photos.
If converting pump from modern 16mm o-ring to traditional 5/8" inverted flare style hoses, order (1) Adapter Insert 910-32921.
910-32918 Instructions (PDF)
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Our standard power steering hose assemblies are an inexpensive alternative to the more costly stainless steel braided hose kits. This set adapts a 1982-1988 T-Bird/Cougar rack or our 91034340-POW rack to a GM style pump. Return hose will normally need to be cut to length.The pressure line in this kit has an inverted flare fitting at the pump end along with a 14mm O-ring fitting on the rack end. It also comes with an adaptor so that it can work with an O-ring style (metric) pump fitting. We suggest using power steering pumps 91032922-GM or 910-32908.
- Adapter for the GM pump, to allow it to work with both metric O-ring and standard inverted flare style threads on the power steering pump fitting.
- The fittings that go into the 1982-1988 T-bird rack which are 14mm O-ring (high pressure) and 16mm O-ring (low pressure return) with the smaller O-ring fitting hose end being the pressure side for the rack.
910-32535 Instructions (PDF)
It is common to use an early GM power steering pump with a Mustang II power rack and pinion. Our Mustang II/GM pump power steering hose assemblies are an inexpensive alternative to the more costly stainless steel braided hose kits. The return hose included in this kit will normally need to be cut to length.
This has an adapter to allow it to work with both metric O-ring and standard inverted flare threads on the power steering pump fitting.
This will work with the 1974-78 Mustang II power rack and pinion in conjunction with the suggested power steering pumps 910-32922-FORD and 910-32908-BLK. When using an early GM pump with Mustang II rack, you will also need flow reducer valve 910-32918. This valve reduces the fluid flow from three gallons-per-minute to two gallons-per-minute, which cures problems of twitchy steering when these components are used together.
- 1974-1978 Must II Rack only
These Saginaw power steering pumps from Tuff Stuff come with a new reservoir, billet cap, chrome hardware and new dipstick. Desirable early style 1965-79 pump with threaded and keyed shaft for easy pulley installation. Available in powder coated black or chrome finish. Hoses are available from most local parts stores.
Pump has a 3/8" hose barb for return line and a female 5/8"-18 inverted flare fitting for the high pressure outlet. Pulley not included.
- Saginaw power steering pump with a new reservoir, billet cap, chrome hardware and new dipstick
- Powder coated black or chrome
- Keyed shaft for easy pulley intallation
- Pulleys available in plain, polished, and chrome
- 6" diameter pulleys not included
Works well with small block Chevy engine brackets 916-67920 or 913-32902.
If you have a power steering pump using late model style O-ring sealed hoses that you need to adapt to traditional inverted flare hoses, this inverted flare adapter is a simple fix. Simply insert the adapter into the flow control fitting and then install your inverted flare hose.
Use to convert from 16mm o-ring to 5/8" inverted flare style.
Zinc-plated steel banjo bolt assembly for the pressure connection (outlet) to the pump.
Fitting 617-4830 fits our:
- P/S pump # 91032922-GM
- P/S pump # 91032908-BLK
- P/S pump # 91032908-CHR
WARNING: Fitting is designed to accept an AN-6 stainless steel braided wire high-pressure hose.
Steel 16mm-1.5 IFM power steering box to -6 AN hose adapter fitting.
Note: Inverted flare are used on most GM steering boxes through 1977. O-ring fittings are used later model GM metric boxes from 1978-up.
All KRC power steering pumps provide the racer the ability to fine tune the feel and assist in the power steering system. Interchanging the -6 outlet fitting can alter the steering input the drive has. The more flow your steering system receives the easier it will be to turn the wheels, but will decrease feel. Having less flow will put feel and stability back in the steering system, but decrease assist.
Note: KRC Flow Valve fittings allow for flow from 1.05 GPM to 3.17 GPM. The 1.05 GPM valve has the least flow, which provides the lowest assist with the highest feel to the steering. The 3.17 GPM valve has the highest flow, which provids the highest assist with the lowest feel to the steering.