Quote Originally Posted by realdiehl View Post
The car calculates your fuel economy wrong anyway...not to mention if you're modded.

Clocks? Well...that's what cell phones are for.

Speedometer? Not even remotely close to being the same.
uh, my mpg is right on. i calculate mine nearly everytime i fill up. it might be off by a hundreth..but if your THAT worried about it..then yeah do it yourself.

lol at the cell phones. too much of a hassle to look at the phone when the clock is right there infront.

and hows speed not relevant to mpg?