I voted, honestly they are all "good" but none really say WOW to me.. the ones with a "specific car" I would never vote for..
The "heart beat" IMO for you would be stupid since u do have those customers that have rotary engines and would NEVER buy that shirt...
The "i'm cool like that" is only right if the person wearing it has a turbo car so that removes alot of people
I voted for "Push the limits" because in my opinion it is a STATEMENT to the type of business you are...