that would restrict the air flow no? does it really matter about air restriction before it gets to any sensors? i really like the idea of this and since im going FMIC im trying to find a use for my hood scoop.
Well muscle cars have been doing it for ages so there's methods of getting the rain to funnel in to drainage channels.
For instance the concept of the drainage on shaker hood scoops that modern Mopar use could probably be recreated by making an air box that the filter sits in then a shaker style cover that fits over the air filter then the hood scoop can seal against that when the hood is closed. You could have the intake draw air from the rear or sides of the shaker style cover while the rain drains out of the bottom of the cover.
Here's an article on the modern Mopar shaker hood scoops.
Shaker Run Off Water Drain System
All run off water runs down the outside of the shaker and then into the gutter which is built into the perimeter of the shaker base unit and is then collected in the front receiving gutter. the water is then channeled through a 1/4″ ID neoprene hose to under the car.
Shaker Ingested Water Drain System
All ingested water that is rammed into the shaker first hits the back of the scoop and is then directed to one of the internal water gutters ? one on each side. The water is then drained off via (2) 1/4″ ID neoprene hoses to under the car. A 3 degree tilt on the base of the shaker causes most of the water to drain to the passenger?s side gutter, away from the elevated air port on the driver?s side. There is also a small drain at the bottom of the air box to remove any possible residue.
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