Saginaw power steering pump question

Brakes, Steering & Suspension

  1. roadrunner57

    roadrunner57 FBBO Gold Member FBBO Gold Member

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    Stupid question time. Are GM and Mopar mid 70s Saginaw power steering pumps interchangeable? Are the brackets the same?

    thanks in advance.
     
  2. Kern Dog

    Kern Dog FBBO Gold Member FBBO Gold Member

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    From what I have seen, the pump and reservoir are the same as what was used on millions of GM and AMC cars and trucks. The mounting holes too. The brackets were specific to each engine and each automaker. A 350 from a Chevy, Buick, Pontiac and Oldsmobile were all different, same with every other engine. Sometimes, even the addition of air conditioning meant different P/S brackets.
     
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    • 59pwrwgn

      59pwrwgn Member

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      The pressure hose will be metric or SAW depending on application. However the fitting in the pump is unchangeable.
       
    • BORGESON

      BORGESON FBBO Vendor FBBO Sponsor

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      Keep it to pre-1974 to have the key way style pump shaft and SAE mounting holes. 1975 is press on shaft with SAE threads, 1976 and later are all press-on with metric threads.
       
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      • roadrunner57

        roadrunner57 FBBO Gold Member FBBO Gold Member

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        well crap, how do you tell the year of these pumps? I think the one I have is a 1978 because that is engine date. I think that is the original pump that came with the engine.
         
      • BLK 68 R/T

        BLK 68 R/T FBBO Gold Member FBBO Gold Member

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        The key way style pump will have a nut holding the pulley on. Pulley should come off by hand once you remove the sit.
         
      • roadrunner57

        roadrunner57 FBBO Gold Member FBBO Gold Member

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        Mine is a press on, so if it is a 78 pump (assumption), then I am guessing search for a GM or MOPAR 1976 or later. Of course, I could be unlucky and have a 1975 year. We'll see, experiment coming.
         
      • BergmanAutoCraft

        BergmanAutoCraft FBBO Vendor FBBO Sponsor

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        If you need a pump I have two good used ones with bolt on keyway shafts.
         
      • roadrunner57

        roadrunner57 FBBO Gold Member FBBO Gold Member

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        I found a 78 Chevy pump and it mounts correctly. So I think I am good here.

        thanks for your help.
         
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