I use it also. Occassionally my temp light would come on for a few minutes or until I restarted the engine after a hard race. Especially when the track was muddy and the tires spun alot. Not once has the light come on since I began using the product!! I might add that I moved the oil cooler from in front of the radiator at the same time and I am sure the extra airflow helped as well. But I am satisfied at the results as well...

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