Quote:
Originally Posted by DR_
Well I am not happy with my results with the Mishimoto radiator after getting over 240 degree temps this weekend at the track. The ambiant temps got up to close to 100 but even in the morning when temps were in the 80's it still got too hot. I even went so far as to drain most of the radiator and add back just water and water wetter (estimate 75/25 water/coolant) and that didn't really help. If I slowed down for half a lap the temps would go back down to 220 pretty quickly but that is still too high IMO. My stock radiator got up to 235 temps in similar condition, which was why I went with he Mishimoto. There is no doubt that Mishimoto should be much better than stock but I am starting to thing the condenser is the limiting factor.
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I run mine without condenser to optimize air flow. It was about 90 degrees yesterday at the track, and I think coolant got to about 230F during a flat out run but I will check the logs.
I suspect that a properly designed vented hood would help quite a bit in that regard as there is most likely a bit of back pressure behind the radiator if the air has nowhere to go.