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The gauge on my dash. (the round black one) It's a SunPro
oil temperature gauge with integrated sending unit. Reads from 100 to 340
degrees.
The most I've had the Lev-O-gage read is 30 degrees.
We were South of Bend, OR on USFS roads near China Hat. We ran up the side
of a bank to make room for two other hunters as they went by the other
way while half hanging over a cliff edge. My nephew, Schuyler, clawed the
seat cushions while trying to get out the driver's window over the top
of me on the uphill side! Guess he didn't like looking at the ground out
of his side window! Can't say as I blamed him either ~ I almost followed
him out.
Works good on cornering too. If you can turn a corner
and keep the indicator ball 10 degrees or less, your coffee cup won't slide
off the dashboard and splat on the passenger door! |
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| This is the sending unit. I made an adapter from brass
fittings and replaced the tranny's oil fill plug with it. To add oil, remove
the temp probe, then the brass plug assembly. The probe only protrudes
into the transmission about 1/4". The probe measures the oil's temperature
as it's flung around inside the case. If a bearing starts failing, you'll
know it from watching the gauge on the dash. |
| I've always figured it's time to pull over and let it
rest if it gets much over 250 degrees. The SM-420 4-speed runs about 130
degrees when running long periods at 70 MPH on the freeway. |
