tomtirediron
Member
Well, were having first major real cold snap here of the season. Last night forcasted -12F and hit her pretty close. Tonight forcast -25F and tommrow night -28F. Took a last quick check of anti freeze yesterday afternoon in tractor, dozer, and 3 vechicles. Bout soiled my bibs when I tested antifreeze in pick-up...good for -2 degrees. Wondered how in the h3ll I did that. Anyway, siphened a couple gallons out of the system through the neck and added some anti freeze to get back to -35F and ran her. Question I left the covered container I drained into outside last night to see if I was losing it. Sure enough at -13F it hadn't froze. Do testers go bad? Just a cheap Prestone brand with a floating arrow, but it's always worked pretty well or so I thought. How cold do you WAY Northern guys go with the mix. I always winterized our I/O boat engine to -45F and wondered if at -46 does it freeze solid, get slushy, what exactly happens? Finally, what kind of tester do you folks recommend for use hydrometer or refractory? Brand specific model ect. Thanks, Tom B.