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You should be running SCA's instead of ELC. Brands like FleetGuard are a better investment. these IDI's are susceptible to cavitation. There are hundreds of threads on this topic in this particular forum.
You can buy the test strips to see what the SCA levels are in your coolant. They also sell the additive to bring the levels up. It should be checked at every oil change. Which is a reminder, I need to check mine.
This Hennessey Takes the Expedition Tremor's Off-Roading Capability to the Next Level
Slideshow: The VelociRaptor Expedition gains a lift, upgraded suspension, Brembo brakes, and trail-ready equipment while retaining the stock 440-horsepower EcoBoost V6.
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
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