1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Oil Metering Pump Question

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Old 10-06-09, 11:47 PM
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Jolly Green Giant

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Oil Metering Pump Question

Howdy,
I have a 1984 GSL-SE with a Carbed 6-Port 13B from an S4 and I have a question about the Oil Metering Adjustment.

The OMP arm was tied up about half way between bottom and top using some wire.
My OMP is leaking which I know is no new situation but as the previous owner did I premix with every fillup as I dont quite trust its reliability.

which way does the arm need to go to be as closed as possible versus all the way open, I figure its best just to be burning only as much oil as I need to. I noticed that if you let to go freely it feels springloaded to go down but logically I would think that would make it wide open so if it did break for some reason you'd still be getting oil, I searched around but couldnt find anything and the FSM didnt specify either.

Thanks.
Old 10-07-09, 12:06 AM
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the throttle linkage pulls up on the rod, increasing the amount of oil it pumps. think of it like this, up is open, down is closed.
Old 10-07-09, 12:06 AM
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It needs to be down.

The arm was originally connected with a rod to the throttle linkage, so the more open the throttle is the more oil is dispensed. The throttle pulls the lever up.
Old 10-07-09, 12:08 AM
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Much appreciated gents.
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