Hey Doug,
My pleasure. Always glad to share what I have learned. Technically, the air pressure in that small
oil line is what registers on the gauge. The
oil does not necessarily ever make it to the instrument. (thought sometimes you can see some in the original plastic tube) If
oil actually made its way to the gauge, that tells you you have an air leak at the gauge fitting.
BTW: If you had the standard plastic hose installed and if for some reason it cracked and began to leak, it would start to pump some very warm engine oil on to your legs. Take three guess's why I know this....the first two guess's don't count....
Blas
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