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Mod | | | Forums66 Topics128,049 Posts1,055,699 Members48,426 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Feb 2014 Posts: 125 Shop Shark | | Shop Shark Joined: Feb 2014 Posts: 125 | I have just installed CPPs power steering kit in my 53 1300. It has a 1975 power steering pump and a 1969 power steering box.
Is it possible that the pump could produce to much pressure for the older box ? Would I be wise to install an in line PRV ? | | | | | Joined: Dec 2006 Posts: 206 Shop Shark | | Shop Shark Joined: Dec 2006 Posts: 206 | if it were a newer pump from the late 80 or 90 (with hydraboost) then it may make a difference, but back then most all pumps put out about the same pressure. | | | | | Joined: Oct 2005 Posts: 4,251 "Hey! I sound like Darth Vader!! | | "Hey! I sound like Darth Vader!! Joined: Oct 2005 Posts: 4,251 | Yep, the pressure should be close enough. If you had a R & P, you would want to worry about the pressure a little. I went the opposite way. A Corvette R & P pump with a 1975 Saginaw box. Seems fine for the past three years but somewhere in the back of my mind I worry that I might be over working the pump. | | | | | Joined: Feb 2014 Posts: 125 Shop Shark | | Shop Shark Joined: Feb 2014 Posts: 125 | Thanks guys. I will rest easier now. Truck steers much better and isnt all over the road as it was with an unknown make of R&P bolted to the frame. Next step is an anti sway bar for the front. | | |
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