I'm always concerned about going to the track with the radiators completely unprotected. Stones and rubber come flying at the car continuously so it's pretty easy to damage one of the radiators. My previous track cars were GT3's, before they started coming with radiator mesh protection. I took the time to pull the nose cap off and install a stainless wire mesh to prevent any damage. The mesh is fine enough that it doesn't seem to effect coolant temps due to airflow reduction. I decided to give the ACR the same treatment. The install doesn't look as clean as my GT3's because the entire opening isn't covered. The radiator doesn't go full width and there are a couple of obstructions preventing full width coverage. This was my first attempt with this car and it has not been track tested yet. I'm going to COTA for three days May 6-8 so that should answer any questions about coolant temps. I can see why these cars run hot because the opening isn't very large considering the amount of HP this motor puts out. The little squirrel motors in my GT3's had a lot more air going through those radiators, probably why they NEVER got hot on track.
I also could see that the fender lip directly behind the front and rear wheels was going to get hammered with rocks as well. I bought a piece of ABS plastic and made some shields which seem to be working perfectly.
Dean
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