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Old 07-27-2010, 07:56 PM   #197 (permalink)
Dr. Jerryrigger
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Join Date: Jun 2010
Location: mass
Posts: 181

The Sh*t-Box - '99 Subaru Impreza Outback Sport
90 day: 27.81 mpg (US)
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With a T of some kind spiting the exhaust, one could have the butterfly valve on a light spring so if exhaust pressure increased more would go to the muffler and a similar amount would go to the boiler. Also the exhaust coming out the boiler would likely not need much muffling anyway.
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