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Old 08-03-2014, 02:00 PM   #11 (permalink)
MPGomatic
Needs More Duct Tape
 
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Join Date: May 2012
Location: the swamps of jersey
Posts: 157

Slambo - '99 Honda Civic HX
90 day: 44.21 mpg (US)
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Excellent photos!

Cleaning Slambo's EGR maze (at 125K or thereabouts) made a considerable difference, but nowhere near as impressive as your Insight jump. Holy cow that's huge.

The trick now is to keep those passages clean. I'm throwing a healthy shot of Marvel Mystery Oil into every tank with the hope that it will help.

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