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Old 03-17-2010, 08:09 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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I found a way to restrict a carb...
progressive two barrel runs on vacuum. while engine is below 195, it is only allowed 1 barrel via a thermal vacuum switch attached to the intake near warm source.

I could only guess at a couple of things for each individual fuel injection, but all systems have something that can hold it back...no plates needed.
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