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Old 03-10-2011, 04:37 PM   #52 (permalink)
fjasper
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Join Date: Apr 2010
Location: Kalispell
Posts: 127

Sylvio 2 - '04 Audi allroad quattro Biturbo 6-spd
90 day: 25.09 mpg (US)

Atlas - '04 Audi allroad 2.7T 6MT
90 day: 25.09 mpg (US)
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Quote:
Originally Posted by euromodder View Post
As the exhaust gasses cool down along the exhaust pipe, why not harvest the heat a bit further down the pipe so it won't overheat the coolant ?
I guess the issue becomes the balance between getting enough heat early in the cycle without overheating the system in hot conditions. I like the breakable heat pipe idea. Simple, effective, and doesn't involve fluids that can leak, freeze, or react badly to heat. Would probably be sensitive to alignment and dirt issues, though.
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