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Old 07-20-2015, 06:36 PM   #9 (permalink)
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Originally Posted by MetroMPG View Post
Individual aero mods are generally a per cent or two improvement. Small enough that even though there's an improvement, it usually disappears in the normal variability of tank to tank MPG.

(Unless of course you're talking about a Kammback or boat tail, which is where the big gains lie.)
My Compass looks like this.

I would guess a 8-10"'s (or so) to the bottom of the front lip.

So extending that down with a piece of yard edging (4-5") wouldn't net that great of a gain in MPGs ?? 1-2% ?

That's only a 0.25 - 0.5 gain in MPGs. That's sux.
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