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Author Topic:   Run Motor Oil in Power Steering Pump?
RC Racing
Member
posted January 23, 2003 03:56 PM
Wondered if anyone else has experience in this area or knowledge of it?

Was at power steering rebuilder's shop this morning and he told me that they usually run light viscosity oil in their pumps (& in his personal p-up). Usually a 5w-30w. Said it holds up better than steering fluid.

Does this make sense, or was he just leading me down the path for more business for himself?

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dreamcatcher
Member
posted January 23, 2003 05:40 PM
i have done this too, but i was out of p/s fluid. i have seen some racers run 90 weight gear oil in there race cars. looked like it worked ok.

[This message has been edited by dreamcatcher (edited January 23, 2003).]

John Bottoms
Member
posted January 23, 2003 06:58 PM
We have done this in my personal truck also. But it was because the power steering was very sensative. The thicker oil made the action of the turning the wheel slower so you didn'y run off the road. The pump held up fine though.


John Bottoms
Member
posted January 23, 2003 07:00 PM
Sorry, didn't mean to send that twice.


Blackgold
Member
posted January 23, 2003 09:09 PM
Motor oil does not have the right additives for PS. If not using real PS fluid then the R&O hydralic fluid is the best. Its cheap as all get out. It is made to withstand much more than we will ever encounter and has a perfect additive package.


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