Update: Last Friday I drove over an hour in a moderately heavy rain (with the intake wide open). I thought it would be a good oportunity to open my airbox up and inspect things. It's been 3,000 miles since I installed it.
The air filter was only very slightly damp-barely noticeable to the touch. So I'm reasonably confident that the water is staying out. Also, the air filter visually seems to be in the same shape it was 3,000 miles ago, so it doesn't appear like I'm picking up any more dirt. Also, my pre-filter looked clean too, so I haven't been picking up much debris.
Overall, I'm pretty satisfied.
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Diesel Dave
My version of energy storage is called "momentum".
My version of regenerative braking is called "bump starting".
1 Year Avg (Every Mile Traveled) = 47.8 mpg
BEST TANK: 2,009.6 mi on 35 gal (57.42 mpg): http://ecomodder.com/forum/showthrea...5-a-26259.html
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