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Old 01-06-2008, 12:47 AM   #11 (permalink)
Fuzzy
EcoModding Lurker
 
Join Date: Jan 2008
Location: NoVA
Posts: 27

Spin - '03 Mazda Miata SE
90 day: 26.55 mpg (US)
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Quote:
Originally Posted by jazzie604 View Post
...you may look into something that will allow some flow out of the back of the hood. cheap racer trick is to add a couple of washers to the mounting brackets(between the hood and the pivots) so that the hot air gets pulled out of the back of the hood.
I think that popping the back of the hood would not suck flow out of the hood. Generally the base of a windshield is a high pressure area, while the under hood area is low pressure. So most likely, popping the hood (especially with a undertray and airdam) would pull air down into the engine, not out. Tufting would ultimately tell you what was happening.

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