56 wagon with fox 5.0 needs a chevy power steering pump

56 wagon said:

The problem i am having is the stock ford power steering pump puts out 800psi and the rack needs 1100.

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Every document i've seen shows the C2 pump operating at 1200-1400PSI. F150 truck applications tend to be new 1400, especially off the 99-02 F250 with hydroboost.

There is an aftermarket pressure relief valve that will bump that further to 1600PSI. It's more for Hydroboost applications. I run this, but with aftermarket lines. It's not really needed though and I wouldn't recommend it. More for trucks with big tires to turn.



It's actually quite typical for the Ford C2 pump to strain and groan. You can probably search around for "Mustang noisy power steering pump" and find plenty of threads asking how to quiet it down. Usually it's a sign of air stull in the system, or a poorly rebuilt pump. I've had a few on my car, some are just louder than others. My current pump still groans.

As an aside: Take a look at the comments from the folks that purchased that C2 high pressure pump. It appears that most of them had the same issue you describe.