Originally Posted by Hotrodz

I have been running the oem radiator as recommended by my TT installer since day one just over four years now. I never had an issue with temps until I started tracking the car and Sebastian at Specialty Z and I discussed my options which did not include either of the two aftermarket radiators mentioned so far. The only one that he felt had any real merit was the Ron Davis custom radiator for the 370z. It requires modification of your front engine bay and you have to delete your AC. He suggested I open up my front bumper to let more airflow in before spending significant dollars on radiator change. So far that has worked even on track days over 100*.

The other thing you need to consider is that those aftermarket radiators are thicker than the oem and don't allow as much space between it and the intercooler therefore despite the other issues you may not make much headway on keeping your temporary down. Long story longer...stay with your oem. Just my two cents worth of nothing lol!

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