8k rpm ...

brian6pac said

It was just like this one and I still have a new cover some where, one was a conversion from std pump to HV and used a std pump housing and the cover was cut so the long rotor would fit, I had a flat cover that bolted on a HV housing. Now that you said that I think it was about 3/4" I.D. on the tube.

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Yep. That's it. Impossible to find. Even harder to find is the swinging pick up for that pan. And I have one of each!!!!!!!!!!!

And that's right that it's 1 inch OD and its either 3/4 ID or a skosh bigger.

The other thing I did was use a number 8 line from the OE pickup tube mount and ran that into that big, square pick up, making it a dual inlet pump. That thing would suck a golf ball through a garden hose like that. And at 8000 RPM and up, that gerotor pump needs all the inlet it can get, especially the HV pump.