Sorry I'm late to the game fellas. Y'all have me curious enough now that I may drill a hole in the bottom of the intake for a drain.
As for my snorkel top, so far it's been good. I've not had any hesitation and I've splashed thru tons of water. I have literally ran creeks for hours splashing water. I run the snorkel backwards when water is around and the snorkel top is sloped out so when water runs off of the top, it falls past the inlet. Even if water drops got into the duct, I would think it would pass immediately. I have a CFM meter I should put on the tube and read the flow rate. It would be like taking a wet dry shop vac and sucking up water. It doesn't stay in the hose even if it was shaped into a trap.
Ok, let's say that you always drive slow and keep the rpms low. Therefore, you wouldn't have the CFM to keep the tube dry. What about all the bouncing? Steep hills? Rocking the vehicle to pop a wheelie? All those things would help get the water out right?
I could be way off on this but I'll try to check it tomorrow. I will probably drill a small drain hole and then plug it with a screw or rivet. I guess I could even use silicone too. Anyway, I'm not worried about drilling it.
I drilled a hole in my ford ecoboost intercooler. A very small 1/16 hole is what I drilled in the bottom corner. Ford has oversized the intercoolers for the f150's. Their fix was to recall them and block a large portion of the intercooler with a piece of HDPE with adhesive on it. Anyway, in the rare occasion that I was driving for hours in the rain at very low rpms, the intercooler was condensing the humidity from the air and it would pool in the bottom. So, after driving for hours I would make a pee stop and then accelerate to get back on the highway and the truck would shut off because it just ingested that water. If I had taken the recall, that wouldn't happen according to ford. I picked up the drilling a small hole trick on a ecoboost forum and it's worked great. Never had the problem again. Some people could say that I may be loosing boost but it's like a drop in the ocean. I've never noticed a drop in the boost gauge or any other ill affects. MOST importantly, when I drilled it, nothing came out. It had been dried out by the flow of intake air. We drilled my brothers during a rainy couple of days and his had about a cup of water in it.
I'll check my intake for everyone tomorrow. I could run a wire in it to check for water I guess but having a drain wouldn't be a bad thing.
I'll let y'all know.
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