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Originally Posted by euromodder
Didn't Hucho find that venting on top of the bonnet was the easiest way to improve efficiency ?
Might not be the most efficient way possible, but the best efficiency / effort ratio.
Vekke once had a set-up like that on his red Seat Cordoba - with radiator ducting if memory serves me well ?
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Hucho does show that.Ideally,you'd have an airtight extractor duct discharging the heated air at matched velocity with the surrounding flow so as not to introduce shear.And the cowl would have to be configured so as not to allow this air to enter the ventilation system,while providing a relatively high static pressure site for ventilation air harvesting.
Rain and snow baffles would have to be designed in as GM has done with their contemporary 191-mph Camaro and 200+ mph Corvette Stingray.
A cautionary note: If any radiator hose,or an upper or lower radiator manifold should rupture,the glycol coolant could make it through the hood and onto the windshield causing temporary blindness.