Aftermarket radiator Temperatures

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#1
Hi everyone, I replaced the stock radiator with a Mishimoto. At time I still see high temp like 97c was today the max i saw.
Just wanring to hear from anyone who replaced the radiator even with anorher brand, what's your temperatured going from to? Also i have a Mishimoto thermostat installed.

Cheers
Fab
 


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#2
206F is not high at all, it is normal. Before an aftermarket radiator I would see nearly 110C before I would turn the heater on.

I have a Koyo radiator with 180 degree thermostat, I see 90-95C every day and have no concerns with the system handling that pressure. 105+ is where concerns begin.
 


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#3
Hi everyone, I replaced the stock radiator with a Mishimoto. At time I still see high temp like 97c was today the max i saw.
Just wanring to hear from anyone who replaced the radiator even with anorher brand, what's your temperatured going from to? Also i have a Mishimoto thermostat installed.

Cheers
Fab
What model year? They switched to a cooler thermostat in '16, if you're concerned you can try swapping it out
206F is not high at all, it is normal. Before an aftermarket radiator I would see nearly 110C before I would turn the heater on.

I have a Koyo radiator with 180 degree thermostat, I see 90-95C every day and have no concerns with the system handling that pressure. 105+ is where concerns begin.
Can confirm 90-95 all day in the AZ desert, this was grabbed post freeway rip...
Screenshot_2025-10-04-08-42-25-27_b9c66f921be6b9ee18febc2ed6906538.jpg
 


M-Sport fan

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#4
206F is not high at all, it is normal. Before an aftermarket radiator I would see nearly 110C before I would turn the heater on.

I have a Koyo radiator with 180 degree thermostat, I see 90-95C every day and have no concerns with the system handling that pressure. 105+ is where concerns begin.
Slightly [offtopic], but did the Koyorad drop right in like the factory unit, with NO bumper cover gaps/problems, or AC condenser fitment troubles?
 


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