kmpdx Posted March 22, 2017 Share Posted March 22, 2017 Hey Guys, So my fan switch is broken and I want to get it changed before the weather starts to warm up.I can get a switch that has the temp range that the factory does but I thought about changing to a slightly lower temp. I don't want to go too much lower so that the fan is on all the time but I thought there might be benefit in an older car to let stay just a little cooler. The harness is not an issue because it is already missing. The unit I am looking at is 197F on 179F off. Does that seem like a good fit? Or should I just stick with one with the factory specs? Any temp range options you guys are aware of? Thanks, kmpdx Link to comment Share on other sites More sharing options...
GeneralDisorder Posted March 22, 2017 Share Posted March 22, 2017 That should be fine. I run my trans am with 195 on, 185 off and a 180 thermostat. GD Link to comment Share on other sites More sharing options...
kmpdx Posted March 22, 2017 Author Share Posted March 22, 2017 (edited) Where did you find the 195/185 switch? What model of vehicle would I look for for those at the parts store? I feel like that is a more ideal range. I have an OEM thermostat. That should be 180, right? Thanks kmpdx Edit: Just saw that you said Trans Am Edited March 22, 2017 by kmpdx Link to comment Share on other sites More sharing options...
DaveT Posted March 22, 2017 Share Posted March 22, 2017 Oem thermostat for loyale is about 190. I've been running a 180 in one of mine for a number of years now, never noticed any ill effects, but the heater seems a little lower output. Link to comment Share on other sites More sharing options...
BEECHBM69 Posted March 23, 2017 Share Posted March 23, 2017 Hey Guys, So my fan switch is broken and I want to get it changed before the weather starts to warm up.I can get a switch that has the temp range that the factory does but I thought about changing to a slightly lower temp. I don't want to go too much lower so that the fan is on all the time but I thought there might be benefit in an older car to let stay just a little cooler. The harness is not an issue because it is already missing. The unit I am looking at is 197F on 179F off. Does that seem like a good fit? Or should I just stick with one with the factory specs? Any temp range options you guys are aware of? Thanks, kmpdx Another member did an extensive write-up on the subject here: http://www.ultimatesubaru.org/forum/topic/123869-cooler-temp-thermoswitch/?p=1063813 Dan Link to comment Share on other sites More sharing options...
GeneralDisorder Posted March 23, 2017 Share Posted March 23, 2017 Can't help you with the switch as the Trans Am is tuned port injection and the fan is ECM controlled. I would look on some hot rod forums. GD Link to comment Share on other sites More sharing options...
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