power steering pump Q.....
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Joined: Apr 2002
Posts: 514
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From: Deer Park, N.Y.
Car: 1983 z-28/SFC/bilsteins/adj.arms
Engine: 355sbc/Demon650dp/hedmanheaders/
Transmission: t-5, alum DS
Axle/Gears: 3.42 torsen posi, baer discs
power steering pump Q.....
does anyone know if there was a pressure output difference between our third gen saginaw pumps and the older tower reservoir pumps found on 70's chevy's? i have the older pump and want to know if I could use it in my 3rd gen....long WP; v-belt pulley. thanks
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Joined: Sep 1999
Posts: 7,072
Likes: 13
From: Philly, PA
Re: power steering pump Q.....
They run at the same types of pressures becuase steering box technology hasn't changes in a zillion years. But the fittings will be different on the older pump- you can't screw your stock lines into it.
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Joined: Jul 2007
Posts: 1,141
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From: MA
Car: '87 IROC/'68 SS
Engine: 5.7L/350
Transmission: 700R4/Muncie 4-spd
Axle/Gears: 3.27 9 bolt / 3.31 12 bolt
Re: power steering pump Q.....
The older pumps run a lower pressure because the ratios back then were a lot lower (like 4:1 vs 2:1 now). It will still work, but the pump will complain at low speeds. I have an IROC box in my '68 with the original pump. You'll need different hoses or adapters to hook it up.
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