| Re: [GMCnet] Oil temp sender location [message #299254] |
Mon, 18 April 2016 13:32  |
Tom Whitton
Messages: 235
Registered: February 2004
Location: Paducah, KY
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Senior Member |
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Do you guys see any problem with installing the oil temp sender in the oil drain plug? I'm thinking the extra plug that I had put in the upper valley.
Right now I have the sender mounted in the oil filter adapter. Mounted there, it's not unusual to see temps of 260 degrees. Here's something Chuck Aulgur sent me a while back on the his experience. I don't want to remove the pan to have a sender mounting put in so I'm thinking the upper oil drain plug as an alternative.
Chuck Aulgur's experience:
"A few years back I also mounted the sending unit for an oil temp gauge in the oil filter adapter, measuring the oil temp leaving the engine. I also found my oil temp ran around 260 degrees F with a normal engine load on my 455 engine in a 76 Royale. I became very concerned an spent a lot of money for an auxiliary engine oil cooler. At the same time I put on several "Westac" gauges. They mounted the sending unit for the engine oil temp in my drain plug (only charged 5$ above the normal
sending unit price).
I calibrated all my temp gauges in cooking oil before I put them in. What I found out was I spent a lot of money for the auxiliary oil cooler that I probably didn't need. I still have the temp gauge in the oil filter adapter and it normally runs from 40 to 60 degrees F higher than the oil pan temp. I also have another oil temp gauge in oil filter adapter measuring the oil temp coming from my auxiliary cooler. During normal operations the oil is cooled about 40 to 50 degrees F going through the cooler. My oil temp measured in the oil pan drain plug never gets more than about 15 degrees above the engine coolant temp under max load conditions.
Based on my experience with an oil temp sending unit mounted in the oil filter adapter, your 260 degrees F coming out of the engine is about normal."
Tom Whitton
26 foot updated GMC
Paducah, KY
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