No Way!
"Unless you need the max towing, stick with a 3.55 rear end as a good compromise between towing and fuel economy."
I completely disagree with that...
3.73 gear ratio would be a good compromise. 4.10 / 4.11 gears would be used on most tow package vehicles. 3.55 gears can't get out of their own way! Most vehicles with 3.55 gears constantly shift going up the slightest incline even at highway speeds and in many instances are less fuel efficient in the real world because of this. EPA estimates are based off vehicle testing done on rollers and dynamometers not real world roads. I would never buy another vehicle (pickup / SUV) with 3.55 gears. Been there, done that, never again!
FWIW;
Dan
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