Quote:
Originally Posted by Nakkas
I think you find, as I said before, is when your driving, the air is sucked in as there is negetive air pressure under the hood. When you stop, the opposite occurs. I have tested this using bits of string attached around the scoop.
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Yes, when i had the hole cut I did the string test and at quite low forward speed there is a flow in to the engine bay, when I stop there is the reverse , the air is moved out by the air con thermo and to a lesser degree the engine fan. I will not need much of a fan to counter the thermo when stationary.
If I can eliminate the radiator heat exchanger and add some engine bay venting then I'll be happy.