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Old 10-01-2008, 01:09 AM   #104 (permalink)
Z man
Boxy is Sexy
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Join Date: May 2008
Location: WV
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xBox - '05 Scion xB
90 day: 40.85 mpg (US)
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Originally Posted by NeilBlanchard View Post

A zigzag tape update: the strip I put on the A-pillar seems to have an effect! The rubber trim on the face of the front door windows started to pull away, leaving a 1/16" gap behind it. This would never do -- so I have sealed it up again with some more (wide) zigzag tape.

I have also put a strip of wide zigzag tape over the rubber at the top edge of the windshield -- there is a fairly deep groove there, and the initial results seem excellent. I raised my average (after ~1/2 a tank gone) by 1.6mpg in ~95 miles. A pretty big jump if you ask me.

I'm starting to see a real pattern with aero mods: improvements on the front surfaces of the car are about 5X more effective as those done on the trailing sides and rear.
I had some electric tape on those parts and I don't know if it helped but theoretically it should. I'll go put some back on there!
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