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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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Apr 2005 Posts: 2,097 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 2,097 | The newer pumps put out about 1300 PSI which are used with the later Saginaw PS units. Most of the control valve type systems that Ford & GM used operated on about 900 PSI. As do Mustang II racks and Toyota units. You can get a washer kit from most speed shops to install in the pressure contol valve in the pump. From what I remember is that it took about 3 washers for the last one that I set up for a Mustang II.
Fred
1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine
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