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Re: Frustrated overheating, timing issue?
My 2 cents
1. I’ve seen more than one Brand new out do the box thermostats be bad.
2. Make sure electric fans are ran off a relay with heavy gauge wire going to the fan motors. If wiring is undersized fans won’t run at needed rpm
3. Head gasket failure could cause overheating. Make sure no water in oil or coming out tailpipe.
4. Back flush cooling system. Cleaner additive then flush. Prestone sells a nice kit with hose adapter and cleaner additive.
5. Get cheap IR gun to verify actual temp at thermostat hosing.
6. Both upper and lower rad hoses hot? Restriction?
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