Quote:
Originally Posted by ZDan
275F is not a problem for any decent synthetic oil. 30wt synth at 275F has about the same viscosity as factory 0w20 at 250F In my experience oil temperature in the gen1 climbs up towards 270-275F, but reliably holds there, never goes into runaway overheating. I honestly think some are *adding* risk (and $$$ expended) getting oil coolers for these cars. IMO our cars are fricking *good to go* for track usage, as delivered.
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I agree that making any changes or increasing complexity adds risk to the system but I did see my oil temps reach almost 300F during a lapping session which prompted me to go with the JR dual cooler. The temps might depend on the track and driver so I'd still recommend people to keep an eye on it to see if you need to go with an oil cooler.