Quote:
Originally Posted by LRNAD90
Question is is it needed? And for those that live in cold climates, what is the drawback?
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To answer some questions:
Main drawback is more complexity. More places to leak or fail. Perhaps longer warmup times depending on thermostat temp.
It is probably needed for driving that is more than just autocross runs regardless of outside temp.
I think vendors ship these with the wrong temp thermostat. Which is why some people have issues with warmup. 180F thermostats bypass fully at 180, and usually start to let oil through around 170 or sometimes even lower. This problem can compound if the vendor uses cheaper thermostat suppliers where accuracy is compromised or they can even leak the wax inside.
https://racerxfabrication.com/blog/oil-cooler-kit
I've got a 205F in my Fc3s, had a 200F in my Mishimoto in my Gen1 Brz, and will do the same in the '22
Anecdotal Experience:
Here in WNC I could get my 1st gen and my current 2nd gen to heat their oil quickly in just a few minutes of uphill spirited driving with all season tires in 45-50F ambient temp. Warmer temps I saw 270+ in my first gen according to the scan gauge before adding the oil cooler. This winter I have pushed the 2nd gen gauge almost 1/2 way up.
I'm fairly sure that this is the correct partnumber for the replacement thermostat in the colorworks kit.
It includes washers/springs/gasket for the thermostat replacement in the sandwich filter.
M-OTSP1-SK 92
Also. This Colorworks one mounts to the rad support. Unlike half of the 1st gen kits which mount to the undertray.