Ok. I did a little research and I came up with 325-390 F is normal operating range. 390F being on the "warm" side. 400F getting hot. 410+ is too hot. I also read that sender placement is important. I read that it should go as close to the combustion chamber as possible. You may want to get a second opinion on that.
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Julian
'74 Super
"If you are under control you're going too slow" - Parnelli Jones
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