[Vid]

Towards the end of this summer I kept having a minor oil leak somewhere around the oil filter area that dripped right down onto the headers causing annoying smoke and stink. I didn’t really have time to properly investigate the cause so I did a couple of quickie attempts to the primary suspects, making sure the mechanical oil sending line and the warning light sending unit was tight and also the oil filter. All three seemed fine.

Now that I had some time for a closer look, it was the warning light sending unit but not at the threads. It was seeping a bit from the seal where the metal meets the plastic. I’m running an 80 psi pump and apparently it’s too much pressure for what I recall to be an old OE sending unit that I used because it was kicking around in a parts drawer for decades and I thought “Aha! Finally I can use that thing!” I guess I’m lucky it didn’t completely blow apart and cause a real problem.

My question is, who makes a good idiot light type sending unit that can take the pressure? I’m looking at an Auto Meter #3241 that activates the light at 18psi but not sure if it can tolerate the 80psi pump. My gauge usually reads no higher than 75lbs when cold fwiw. What are you using that works?


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