Well I got 29.9 on my last fill up so 5 more mpg!
Just by adjusting the nut behind the wheel.
I did do a upper grill block unsure how much that helped.
Now that I can post pictures here's what it looked like when I got it Hi, I've shared 1 photo via Photobucket. Please click the link to view photos:
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Hammered it around and taped the mirror back on till I could get some parts
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Here's how it looks now and a shot of the shrink rap grill block.
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