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Re: thermostat
When your engine is cold and warming up, it runs a pre set fuel/air mixture ratio from the ECM.. Once it reaches operating temp, it turns to the oxygen sensors to provide the fuel/air mixture info.. A 160 degree thermostat wont let the engine fully reach the normal operating temp so your air/fuel might be messed up while your drivin'
If your interested, you could get a hypertech thermomaster power chip.. It'l lower your engine operating temp, turn your fans on earlier and allow you to run a 160 degree tstat..
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1991 Camaro Z28
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