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My NSX does the same on the track.. It would hover 1-2 lines below red if you keep the rev between 6000-8000.. The other day when mapping the fuel map for my M800 on the dyno, a constant speed run of 8000 rpm (from part to full throttle) for about 60 seconds shoot the temp from 93deg to 100deg in no time.. It's nothing to be alarmed about though.. I've seen coolant temp go up to the range of 110-115 without blowing the pressure cap.


But I have no problem with the engine on the highway.. 93-94deg consistently and goes up to 95-96 when going up a steep hill..


Personally, I think the C30A engine generates quite a bit of heat and the stock radiator doesn't quite do the job at full load.


Eddy


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