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Old 12-01-2008, 11:48 PM
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oil pump shaft installation? 350 sbc

I forgot to put it in... do I have to pull the pan? or will it slip in from the top?

I installed the steel collar when I put the pump on.

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Old 12-02-2008, 12:21 AM
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Hate to say this but Yes you have to pull the pan.
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Old 12-02-2008, 05:24 AM
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pump

You slid the collar on the pump before you bolted it to the engine???

If so you can install the shaft from the top, BUT i have never seen a steel collar that was not attached to the shaft. They are held in place with a pin. Are you sure that the collar was steel and not plastic??? There would be nothing to keep the steel collar centered with the pump and the shaft, so something does not sound right to me. Did that steel collar snap into the groove around the pump???


Keith
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Old 12-02-2008, 07:15 AM
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The collar is steel and it sat on the pump... it was in such a way that it wouldn't fall out. That's why I thought the shaft installed from the top...

I bought the pump, pickup and pan as a matching unit from speedway motors. The steel sleeve was in the box with the pump and sat in such a way that it would NOT fall out once installed but still had a jiggle fit.

Last edited by dirtinla; 12-02-2008 at 07:21 AM.
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Old 12-02-2008, 10:41 AM
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Pump

I can say that I have never seen that arrangement. Did the collar stop on the top of the oil pump shaft, or did it fall down and contact the oil pump body when you put it on??

Keith
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Old 12-02-2008, 10:43 PM
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I'm going to have to look at this whole arrangement again... even if it means pulling the pan just to be safe... I'll let y'all know.
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Old 12-03-2008, 12:22 PM
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I think I bought an SBC pump at one time that had a steel collar in the box with it - it never got used as the shaft already had one pinned on it. Maybe this is what's going on in this case.
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Old 12-09-2008, 09:26 PM
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Ok, I went to the parts store and looked at the different shafts. one with the pinned collar and one without.

The one without I could have just dropped down the hole and it would have worked as I already had a guide collar in place that came with the pump...

BUT I elected to go ahead and pull the pan and put in the shaft with the pinned collar just to be safe..

I attached pics of what I had.

As always thanx for everyone's help and opinions

-=Fred=-

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Old 12-10-2008, 04:59 AM
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pump

Thanks for the follow up Fred,

Is there a ring inside of that steel collar that locks into the groove of the oil pump/shaft???


Keith
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Old 12-10-2008, 07:05 AM
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There was internal land that stopped it from slipping all the way down or through but nothing that would have "locked" it into place.
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Old 12-10-2008, 10:03 AM
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oil pump

Quote:
Originally Posted by dirtinla
There was internal land that stopped it from slipping all the way down or through but nothing that would have "locked" it into place.
That is correct. Was/is that internal land steel, or is a softer material??


Keith
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Old 12-10-2008, 01:02 PM
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It was nothing more than a machined steel collar (it's in the pic) the inside of it had a slight line that would prevent the shaft from going all the way through or it slipping down to far and touching the pump base.
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