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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!
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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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