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Old 01-09-2010, 12:01 PM   #15 (permalink)
bgd73
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Join Date: Feb 2008
Location: maine
Posts: 758

oldscoob - '87 subaru wagon gl/dr
90 day: 47.06 mpg (US)
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bypassing hot convertor brings a dramatic change in homogeny (the way the fuel fires and when- inside each cylinder), then returning to its use is going be a risky one, with hot engine and cooled convertor, below it's functioning temps.
I experimented with this...and I am an idiot. The change is dramatic. simply...
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