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Old 11-21-2019, 08:31 PM   #44
sstock
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Join Date: Mar 2014
Location: Tacoma Wa
Posts: 146
Re: Power steering with GMC V6?

Quote:
Originally Posted by BobS View Post
IIRC, Oldsmobile and maybe others also used that pump in the mid-60's. I had researched the part numbers at one point and found the Olds models it was used on but have no idea where that is now. I can get you the original GM part number for the pump if that will help.

Bob
That would be great Bob, because I just received the rebuild kits from rock auto and they are both for the smaller saginaw pumps. So to recap, guys wanting power steering seal kits for the pumps for GMC Rock auto has sourced the wrong seal kits from all the vendors they are for the small pumps not for the GMC medium duty pumps found on at least 1/2 ton GMCs with 305 V6 engines. I have my brackets off , glass beaded and painted so if someone wants pictures and measurements, now is the time.

Steve
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1953 3100 261cu in, sm420, 3.55 torque tube, omaha orange
1964 GMC 1000 series,custom, 305E, sm420

Last edited by sstock; 11-22-2019 at 10:11 AM.
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