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I live in Vegas and I have never over heated on the street, or at any autoX events. So unless you do road course events, you really don't need the radiator, Imo or have to worry about overheating. When warm, my cars operating temps sit at the middle. ( as should yours) I have never seen it go to max on the street. On my cobb V3 the hotest my coolant temps have gotten is about 200.
I've owned my car for two years now and have been stage three for about 1 and half years. I did order the rad but only because of road course temps. Hope this helps.
Could you describe this more in detail? I feel like I have a ticking time bomb here. I live in Vegas, and have not had anything past 80 degrees the whole time I've been here so far with the car. In fact, it's been Fall/Winter so temps have been pretty low. I do notice my coolant res line is just at/below min when cold. It sits right at the middle when warm. Should this line be near max when warm? I've removed my exhaust manifold heat shield a few times, so I've pushed/bent that coolant line. I seem to get under the car about every other week or so so I haven't noticed any coolant leaks or stains so far, but I'm no expert at any of this. Other than the tell-tale smell of coolant, what should I look for? Where exactly is this line that leaks? I feel like kicking myself now for not jumping on that $495 mishimoto radiator pre-sale they had going. $495 is much easier to stomach than $700. Ugh.
I've owned my car for two years now and have been stage three for about 1 and half years. I did order the rad but only because of road course temps. Hope this helps.