Thanks, Earl, for focussing on ecomodding a large car, especially a Crown Vic.
I'm hoping to get into an earlier one that has aluminum hood and decklid for less weight--this would be for one last road trip before I have to quit driving.
Probably you have a 3.27 or even a 3.55 rear if it's a P-71 (ex-cop), in which case 28 mpg would be an accomplishment.
However if it's a base model it possibly has a 2.73 rear and I've heard of as high as 30-31 mpg stock on them.
Ray Mac
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