My turbo 87 Z is an aftermarket temp gauge with the sender in the lower intake on the passenger side (pretty sure its the stock location for the dash gauge). I talked to the previous owner and he said it had a stock thermostat in it which would be 170 but i know 180's are available as well so it could be either. I have notice on my new commute to work since moving further away that the temp gauge will get up to ~200 after about 10-15 minutes of driving at 60-65 mph but will slowly go back down to ~180 after sitting and idling for a few minutes. It has a new radiator in it so it shouldnt be clogged.
I assume the lower intake gets its coolant flow from the heads which i have heard will show the hottest coolant temps, up to 15-25 degree's hotter then the thermostat temp, so maybe im just being paranoid. Has anyone else seen higher temps at the lower intake then what there thermostat is rated for? Another thing is that the car has a fmic and i dont know if it's maybe disrupting air flow to the radiator at high speeds, maybe i need to add some ducting between the bumper and the radiator to keep the air flowing into it?
you can see my FMIC in the picture for reference.
I assume the lower intake gets its coolant flow from the heads which i have heard will show the hottest coolant temps, up to 15-25 degree's hotter then the thermostat temp, so maybe im just being paranoid. Has anyone else seen higher temps at the lower intake then what there thermostat is rated for? Another thing is that the car has a fmic and i dont know if it's maybe disrupting air flow to the radiator at high speeds, maybe i need to add some ducting between the bumper and the radiator to keep the air flowing into it?
you can see my FMIC in the picture for reference.
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