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Old 04-09-2015, 08:50 PM   #49 (permalink)
TurnpikeCruiser
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Join Date: Jan 2012
Location: York, PA
Posts: 37

Big Merc - '94 Ford F150 XL

The Cherry Bomb - '88 Mercury Grand Marquis LS

Luxoliner - '07 Mercury Grand Marquis LS
Team Panther
90 day: 23.63 mpg (US)
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Quote:
Originally Posted by Dubbio View Post
i dont recommend the gear swap to 2.73. ive recently gotten into an '02 vic and i feel like the 2.73 set leaves a lot to be desired unless youre doing 70mph, not alot of torque available in OD. if youre getting near 30mpg with 3.55 id say youve got the right gears already. in comparison my dads mustang gets 30mpg with a 300hp 3V 4.6, a manual trans, and 3.55:1 gears.
I've heard quite a few people claim that mileage is better with the 3.27 gears over the 2.73s. Best I've been able to do with my 2.73s so far is 24mpg. No mods yet done to the car though.
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LuxoLiner - 2007 Mercury Grand Marquis LS

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