What should the temp be on a Chevy 5.3?
What should the temp be on a Chevy 5.3? My 2000 5.3 runs just a little south of that. Granted, it's -10 outside right now. I think starting in 2009 GM uses the 190* double poppett thermostat in the Silvy/Sierra which recirculates coolant/water in the engine block only until warm up (ie:210*). What's the normal temp on a GM Silvy? I think starting in 2009 GM uses the 190* double poppett thermostat in the Silvy/Sierra which recirculates coolant/water in the engine block only until warm up (ie:210*). The thermostat then opens. I also found that you cannot buy a lower...