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Message: [QUOTE="TyCorr, post: 334730, member: 1451"] Thing is the sensor isnt accurate. I pulled atf out of the test port and checked the temperature with an I/r heat gun. The fluid believe it or not was veeeery close to the temp that the cts reported. If you work the truck the cts atf reading.will.change. Heres just one.example. I was running.down a hillside. My autometer was showing 145° aas the truck had been running for.two hours. The cts was showing 160. As I reached.the.bottom of the hillside and began to climb the other side my trans temp.reached 180 on the cts in a mile. The autometer didnt.change. By the time I.crested.the hill four miles.later, the cts was sniffing.200° f. The autometer climbed to 150. Thats a big difference,imo. Say the autometer was reading 200, the actual.temp would be much higher. Probably why I.fried my.trans the summer before. Thought it was.getting.warm at 200°, pulled over in the next town, 96° ambient temp, and atf covered.cooler(due to a.leaking cooler). What I know now the atf was probably.closer to 260+. Ive gotten the fluid in my current trans up to 265° according to the.cts. I was tugging on my FIL's combination backhoe. The autometer gauge.was under 200° during.the.tugging. Its.that brass sensor they use. Its cheap! Isspro uses a.better sensor. Im just putting.it out.there. Autometer told me the.fluid near the test port was cooler. My IR and kitchen thermometer disagree with the autometer reading. I.still have the gauges but when I decide if I want analog gauges or just the cts insight, should I opt to have the.analogs for peace of.mind Ill be.getting isspros. Inaccurate gauges arent worth having, imo. Defeats the purpose. I had a fogged up pyrometer, a boost gauge that would occasionally just stop working, and someother petty issues with these gauges that autometer basically told me to shove it. Ive been a supporter for damn near twenty years but.never another piece from them. :lame: [/QUOTE]