All very nice in a car with no rear end. I'm sure Wes would agree that it is quite a simplified model and will help him improve his Baja cooling (which has problems at speed currently). It also doesn't have a radiator in there which would also reduce air flow.
But, that site is for a 1350cc Alfa engine which requires very little cooling in a relatively cool climate. Also remember that the width of duct would be very small with an IRS rear end and you have the hot gearbox right in the middle so I don't think the flow would be that great in reality. You still need to get cool air around the engine for extra cooling and intake.
When I had the Alfa engine and rear mounted radiators in the speedster I was looking into and experimenting with scoops, it was borderline in the end and relied too much on fans.
Rich
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Originally Posted by Racelook
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