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2 different P/S pumps are they interchangeable? #75487
06/18/08 02:59 PM
06/18/08 02:59 PM
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V194 Offline OP
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I know there is the oval neck and the round neck are they interchangeable on the same car PROVIDED the brackets line up correctly?

I have one of the oval necks and the pulley got bent so I found another unit but the neck is the other style.

Push comes to shove where do I find another pulley?

(70 340 cuda)

Re: 2 different P/S pumps are they interchangeable? [Re: V194] #75488
06/18/08 05:13 PM
06/18/08 05:13 PM
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JohnRR Offline
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are they both the same pump ... meaning a saginaw or a federal ???

Re: 2 different P/S pumps are they interchangeable? [Re: JohnRR] #75489
06/18/08 06:32 PM
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V194 Offline OP
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Sorry John I forgot to attach the photo.
Does this help?

4497156-IMG_0263.JPG (49 downloads)
Re: 2 different P/S pumps are they interchangeable? [Re: V194] #75490
06/18/08 06:41 PM
06/18/08 06:41 PM
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UPPER MICHIGAN, MARQUETTE COUN...
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NITROUSN Offline
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Completely different. Left=federal Right=Saginaw.

Re: 2 different P/S pumps are they interchangeable? [Re: NITROUSN] #75491
06/18/08 06:45 PM
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V194 Offline OP
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OK assuming the brackets line up are they interchangeable in the sense that are they compatible with the steering box pressures function etc.?

The unit on the right is the one that was on the car but like I said the pulley is bent so I was going to use the unit on the left.

What do you think?

Re: 2 different P/S pumps are they interchangeable? [Re: V194] #75492
06/18/08 09:55 PM
06/18/08 09:55 PM
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JohnRR Offline
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do you have the lines for the unit on the left ? also the brackets as the ones on the unit on the right will not fit it .

also you can get a new pulley for the one on the right

Re: 2 different P/S pumps are they interchangeable? [Re: JohnRR] #75493
06/18/08 10:04 PM
06/18/08 10:04 PM
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V194 Offline OP
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Quote:

do you have the lines for the unit on the left ? also the brackets as the ones on the unit on the right will not fit it .

also you can get a new pulley for the one on the right




Yes I have separate lines for both units as well as separate brackets for each.

The only ones I came across on line for sale was from BPP for about $85 plus shipping/ I don't want to spend $85+ if the unit on the left will work in my application.

Re: 2 different P/S pumps are they interchangeable? [Re: V194] #75494
06/18/08 10:41 PM
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JohnRR Offline
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well if you have the brackets and the lines and its for a small block then it will work

Re: 2 different P/S pumps are they interchangeable? [Re: V194] #75495
06/19/08 11:57 PM
06/19/08 11:57 PM
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V194 Offline OP
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Thanks
Ill give it a try.

Re: 2 different P/S pumps are they interchangeable? [Re: V194] #75496
06/20/08 12:08 AM
06/20/08 12:08 AM
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Yep, I've also got a federal pump on mine. Pretty obsolete, you can still get the lines but not really any pump parts. If I was you I would sooner source a new pulley for the saginaw. I lost the pump cap to my federal pump and nobody I checked out repops them. Everything is different with the federal: pump, brackets, lines, etc. But either will work.

Anyone know what the story is with these? Was there a reason chrysler made two different style pumps for the SAME application?

Re: 2 different P/S pumps are they interchangeable? [Re: V194] #75497
06/20/08 12:33 AM
06/20/08 12:33 AM
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Quote:

Thanks
Ill give it a try.




They will swap no problem. I had a federal pump on my 68 Dart small block A/C car and a federal pump on my 67 383 Fury The Fury pump went bad. So I got a small block saginaw setup for my Dart and transfered the old federal on my Fury.

Federal pumps blow. The Federal pump does not keep up with rapid steering inputs. In daily driving my Dart (hard) around L.A. I end up doing U-turns, quick manuvers and such. I could out run the pump. After I switched to the Saginaw, I never had that problem again.

I don't whip the big ol' Fury around so much, so I wasn't worried about keeping the Federal pump on it.

I know a guy that has autocrossed an orginal AAR since 72 or something. He fought that Federal pump for years. Then he switched to a saginaw and never looked back.







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