any car thast is intended as a road car: go up a size on the tires. This will lower the final ratio and lower the rpm at cruise speed. and dont start crappin about "wind resistance" .......gezzz we're talking about a crown vic.
OP, I drive a 4 door Q45. I drive it because I want to drive a decent size car. At the same time, I do all the right ecomodder things.
the slogan says: wrench smart, drive smart, save fuel
It doesn't say only ecomobiles welcome.
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