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Do "Super Coolants" Lower Engine Temperature By 30 Degrees?
Todd's Picks
Best Performance
Average Finish: 3.2
Purchased for: $50
Made In: USA
Fortified with water wetter, this coolant additive not only reduces engine temperatures but also neutralizes acids effectively. It delivered the best average finish in our tests.
Best Value
Average Finish: 4
Purchased for: $16
Made In: USA
An affordable option that still performs well. This additive lowers engine temperatures effectively while maintaining a safe pH level.
Runner-up
Average Finish: 3.4
Purchased for: $48
Made In: USA
A premixed coolant that reduces engine wear and boasts excellent reserve alkalinity. It finished a very close second in our performance tests.
Comparison of the boiling point performance from the coolant tests. Higher boiling points indicate better heat tolerance.
Lower average finish scores indicate superior overall performance across pH stability, wear, and heat exchange tests.
Comparison of product prices. Lower prices reflect better affordability.