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Large plastic covering under the evo 10 engine
Anyone know the name? Is it there for aerodynamics or to prevent debris from getting under the car?
A while back I read a news article that NASCAR banned full under car plates due to higher speeds at the racetrack but can't seem to find the news article.
Anyone I would be appreciative of any information.
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Evolved
both, and you can get after market ones too. there is a three piece one, that ends in with a rear diffuser. there is a lot of one piece aluminum ones for like 350 bucks or so.
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I think they are more used for protection
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Moderator
^Negative sir. While they do add a degree of protection, you'll find plastic ones that aren't meant to serve as skidplates on many high performance street cars, such as the Evo. They not only help with aerodynamics, but also cooling. The Evo has a pretty impressively designed Front Undertray, as they're commonly known. They are specially formed with guides to direct air at brakes and drivetrain components to help cool them, as well as direct air through heat exchangers. They also help to reduce front end lift by reducing turbulent air underneath the front of the car.
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Experienced
This thing?
Under cover - 5379A167
Actually probably this whole mess... Linkie
I know SSP sells a one and two piece aluminum replacement too
Last edited by Tristan Holtz; 01-10-2017 at 12:34 AM.
Reason: additional info
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Moderator
Yeah, that whole mess looks about right.
The rigid/metal ones seem like they might be a good idea if you are doing really high speed stuff, like 1/2 mile racing (so long as you are able to fasten them well) but they don't usually have all the nifty contours and ducting like the Stock one, as those details are more difficult to manufacture into the metal ones.
GTR guys have problems with their stock plastic undertrays above 180mph, hence my logic above. If you aren't doing that stuff, i'd probably just go with the lightweight, durable, nicely fitting and effective stock piece.
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Moderator
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