Not Ranked
My local radiator bloke said it would not make too munch difference. Thermo fans must work pretty good. When you look at a lot of modern cars, they have bugger all air flow but seem to stay cool with no problems. I'm sure I could leave the engine running on my stationary Magna all day in 40 degree heat and it would not be a problem.
If your going to be racing it then I suppose air flow would be more important.
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Cameron
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