Lots of cars and 4X4's have bonnet vents!! Water is'nt generally an issue ether. Touring cars often have large cold air intakes right at the front and they certainly don't splutter to a halt when it rains!! I'd have some kind of water trap just to be sure!!
Cooling vents are a good idea and would need nothing to stop water, as ingress when parked would be minimal and in motion hot air coming out stops water going in!!
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Ex ZS180 Owner and fan.
Last edited by Fred68; 25-07-12 at 09:44 AM.
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