Otterby Posted February 5, 2021 Share Posted February 5, 2021 Need a thermostat for my rebuilt EA71 in a ‘78 Brat. Both 195 and 180 degrees are listed as the OE temps. What Is the correct operating temp of a ‘78 Brat? Link to comment Share on other sites More sharing options...
moosens Posted February 5, 2021 Share Posted February 5, 2021 You could use either , best suited to what you do and where you’re located. But the 180 is fine enough. Some folks get a little antsy when their old 70’s Subaru sits in traffic and the temp goes up kind of fast. But that’s usually the fan. Link to comment Share on other sites More sharing options...
Subasaurus Posted February 8, 2021 Share Posted February 8, 2021 i can drive in rush hour traffic at a maximum of 105F with a 160F thermostat, if it's any hotter outside, i start overheating (with electric fans going) but it sucks in dead winter when it gets to 25-30 degrees, the brat coughs for about 10-15min, by the time it fully warms up, i'm already where i need to be lol. also keep in mind, i removed the mechanical useless fan and installed 2 electric fans on a switch to survive the summer heat here. Link to comment Share on other sites More sharing options...
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