Yeah we've been caught in a couple of viscous downpours during the monsoon season here, blinding rain. Not on purpose but dads car did just fine, no ill affects from the scoops being open.
In fact we were heading to goodguys last weekend, about 100 mile trip down. Got caught in a rain storm that popped up, and as we climbed in elevation it turned to snow. Was coming down good enough to collect piles of snow under the wiper arms while driving. And he runs around in that car with drag radials on the back
Seemed to do just fine though.
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2019 Pontiac Heaven class winner
https://youtu.be/XqEydRRRwqE