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Re: vintage air and overheating issue (LS engine)
the fans come on per the ECM fact. setting (203degrees) the radiator is brand new alum with fans CFM more than factory for the '13 engine. when the heater switched to heat the engine runs a cool 212-217 degrees, as soon as AC switched (HCV closes) the temp begins to rise (within 5min.). the heating issue began after (while) the VA A.C. install.
thanks
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