Radiator
 

Last summer my car over heated so I deseeded to look around for a better radiator and what I found was the PWR Radiator (38mm) and Koyo Racing Radiator; I was just wandering which one will do the job.
Thanks :)
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I don't know about the PWR unit, but the Koyo has been found to not help in cooling.
You should check the BHR radiator sold by Charles R. Hill (search). I have installed 2 of them on other peoples cars. They flow more air through them then the Koyo and keep the temps down. You should also look at the improved water pump sold by Mazmart. Both of these companies are vendors and support this site.

+1 on BHR for rad and Mazmart for water pump

Not only have Koyo's been proven not to cool any better... they are made by middle school Indonesian girls... http://www.koyorad.com/company.html

http://www.koyorad.com/images/main/kji2.jpg

hahaha

Buy Griffin from BHR. From what I hear the Koyo is not much better than stock. A few people in hot climates have eliminated their heating issues with the BHR radiator.

+1 for the BHR Radiator. I have it in my car, works awesome.

Everyone forgot Mazmart Radiator ?

I have it, it works good :)

ITs made by Ron Davis(high quality stuff), and its the same unit sold thru MazdaMotorSports program :)




P.S. : If you want a Koyo Rad, I have a used one collecting dust, pm me for price :)

BHR and mazmart waterpump

That we have. I'm entering Summer #2 with my BHR/Griffin and have no worries. It's already 100+deg out and temps never get above 200+ deg in cruise.