I had the exact same experience with a new pump I installed this summer.
Fortunately it never made pressure, so I never started the car with it. Not
sure where my engine builder got the part, but since they are a Moss
reseller I imagine it came form them.
Peter A, if you are reading this can you do some background checking. I can
send the bad pump to uou if you are interested.
On 8/25/08, Foster, Stan <stan.foster@hp.com> wrote:
>
> I recently lost all oil pressure and after the usual checks decided the oil
> pump was the most likely culprit even though sudden catastrophic failure
> seemed unlikely.
>
> On examining the pump and comparing the innards with a new pump it was
> clear
> that something was terribly wrong as the shaft on the old pump was .25 inch
> shorter than the shaft on the new pump and it no longer engaged with the
> slot
> in the shaft on the dizzy drive gear.
>
> You can see the differences in this photobucket album, old pump shaft on
> the
> left, new pump shaft on the right.
>
> http://www.photobucket.com/TR6oilpump
>
> One of the images shows the new pump with the rotor pinned to the shaft.
> The
> old pump has no such pin and this allowed the shaft to migrate down the
> pump.
> I verified that I can tap the shaft up and down.
>
> The old pump is not the original. It was installed around 1980 when the PO
> did
> a minor engine refresh. I'm wondering if there is a history of pumps
> purchased
> in that era having this problem ?. There is nothing on the old pump casting
> that would indicate who made it, just a few numbers. The body is aluminum.
>
> Stan
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--
Chuck Arnold
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