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How The Competition Compares
We tested these leading oil additives to measure their level of protection against heat and metal damage. Each additive was tested with Quaker State 10W30 motor oil for up to 2 minutes using the engine simulator which simulates metal to metal contact between engine rods and the crank. Each additive test was run for 2 minutes, increasing the pressure by 70,000 PSI at 20, 40, 60, and 90 second intervals. Using a laser temperature gun, we measured the temperature increases at 20, 40, 60, 90, and 120 second intervals.
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