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Originally Posted by F-1 Si
Interesting you speak of a flap or door , I was thinking of the samething a door that worked off of vac pressure(Nitrous 35 knows what I'm thinking)like what was done in the 60's and 70's on muscle cars.
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Peter, funny you should mention this. I was thinking along the lines of the flap/door that opened under vacuum on the 1970 Chevelle 454 with cowl induction. The 1970 Trans Am also used a flap that opened with vacuum.
I was trying to picture our wiper cowl with a flap that opened under vacuum. This would keep water out and only open upon strong acceleration.
