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Old 09-21-2010, 04:24 AM   #6 (permalink)
Piwoslaw
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Join Date: Oct 2008
Location: Warsaw, Poland
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Svietlana II - '13 Peugeot 308SW e-HDI 6sp
90 day: 58.1 mpg (US)
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Quote:
Originally Posted by rbrowning View Post
Has anyone checked the effect of blocking off the air intakes and putting a belly pan and fender skirts on the temperature under the hood?
I've kept an eye on manifold intake air temperatures on the last few trips and here is what I've noticed. With ambiant air temp around 16°-18°C, my intake air temp is 18°-22°C while driving, but while standing in a traffic jam it could rise to over 50°C.
I have an openable lower grille block, no upper block, while the intake air takes the following route: intake at front, plastic ducting to filter behind engine, plastic ducting back to front, turbo, intercooler, manifold. Not an efficient route, but I haven't gotten around to shortening it. I'll add that I have a diesel, so less energy is wasted as heat and a CAI is better than a WAI.
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[Old] Piwoslaw's Peugeot 307sw modding thread
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