Coolant additives to decrease engine temperatures

Tracked Emira

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It has been very frustrating to think my car is going into limp mode because it is overheating when the outside temperature is over 90 degrees.
Obviously Lotus knows this is an issue, otherwise they wouldn't have recently upgraded the cooling system. I will eventually install JUBU's coolant system unless we can purchase the new system from Lotus.
I can't understand why I never see the temperature reading climb above 200 degrees on a hot day when tracking the car. Please explain because it is impossible for temps to never go above 200 degrees especially when you run more than 8 hard track laps with temps over 90 degrees???
I have been researching different additives and have come down to using either VP cool down and Royal Purple ice coolant to try to reduce engine temperatures.
Anyone try these and have any recommendations?
 
Last edited:
I put in a bottle of water wetter as soon as I got the car.
On "normal" days, it sits at 85 degrees. On super hot days, the highest I've seen it is 89 degrees.
 

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