Rally Pac Oil Sending Unit
#1
Rally Pac Oil Sending Unit
Is there an effective method for testing the functionality of an OEM oil sending unit when not on the car?
I've located a seller that has a black, OEM 6462137 with a good date for my '70 442. The seller has no car to test the unit, but performed a multimeter test on the unit and states it shows as working. There is no oil leaking from around the base of the unit. I did not ask but considering the exterior condition I believe it has been on a shelf for a while--not on an engine.
Considering this unit is quite pricey, is an old electrical part, and I want the part to install on my car, is there a better test, short of installing on an engine to determine functionality, or is the multimeter test effective?
Thanks for your response.
I've located a seller that has a black, OEM 6462137 with a good date for my '70 442. The seller has no car to test the unit, but performed a multimeter test on the unit and states it shows as working. There is no oil leaking from around the base of the unit. I did not ask but considering the exterior condition I believe it has been on a shelf for a while--not on an engine.
Considering this unit is quite pricey, is an old electrical part, and I want the part to install on my car, is there a better test, short of installing on an engine to determine functionality, or is the multimeter test effective?
Thanks for your response.
#3
From my understanding Redline Gauge Works in California has a service in which they can test and calibrate a rally pack oil pressure gauge to a sending unit. You'd need to ship both components. I've never used this service, but it's an option if you have time and money.
#4
A tee fitting on any running engine and an ohmmeter will do the same thing. Use a mechanical gauge as a pressure reference. Three data points should be sufficient as the potentiometer should be linear.
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yalikeme
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September 4th, 2015 12:25 PM