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Do these do anything? Keep the engine bay cooler? Reduce weight (I guess?)? I've seen a lot of cf hoods that have these in them. What's their purpose?

I'm not talking about the normal "scoops," I mean the other type of holes.

Thanks,

IronFist

 
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Holes that aren't scoops? Got a pic?

 
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theyre holes for your washer nozzles... lol

 
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maybe hes talking about holes with grills on the hood?

 
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you have to be more specific and show a pic ironfist, the only "holes" i can think of are the scoops/vents and the washer holes.. as for the vents, they might keep the engine cooler, but they are primarily for looks. they are not fully operational like the hood scoop on a WRX

 
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let me find a pic

 
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some are fuctional some are not. i saw one before that was called "big mouth" and it was promised to keep your engine bay alot cooler (but i've never seen one tested)

 
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Here's a pic. This isn't a scoop. The eBay auction it's from says they're "vents." Anyway, here you go:



Also not scoops:





Looks like nice little holes for water to run into your engine bay.



IronFist

 
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the first one looks nice, but the other 2 is too aggressive for me. but it doesnt do much. mainly for show IMO.

 
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all show. i believe that they do work but just like "wings"

 
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think about... heat rises, so if you have vents in ur hood, then heat will escape. heat can still escape through vents like those in the pics.

 
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the two style above is too aggressive, but i bought one of these though...

 
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Those are 'speed holes'. LOL

 
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but won't all the water entering the holes damage the engine?

 
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Drive through a puddle in your car. Then pop your hood, loot at your engine bay, and you will be answered.

 
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It wont damage your engine, but your bay will be dirty. Clean it and you wont have a problem.

 
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LOL speed holes!! LOL sounds just like everything else that is made for our cars

 
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There safe, if your worried about water in your engine then dont drive in the rain. Any time you drive in the rain your engine bay gets wet. Even more when you drive behind someone in the rain.