Gears for 2000 Mercury Mountaineer | Ford Explorer Forums - Serious Explorations

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Gears for 2000 Mercury Mountaineer


February 10, 2005
Reaction score
City, State
Rochester Hills, Michigan
Year, Model & Trim Level
2000 Mountaineer
Hello everyone. I am somewhat new to this board and have a quick question about gears. I have a Supercharged 5.0L V8 in an AWD Mercury Mountaineer. I have 22" wheels and would now like to get some performance gears in the front and rear ends to transfer all that power to the ground in the right way. Does any one have any suggestions on what to do and what not to do. I would like to keep the truck AWD and therefore replace both the front and rear gears. Please send me any info and thoughts that you might have on this topic.


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Welcome to the site! Have any dyno #s on that thing??

So you want to go from 3.73s to 4.10s or what? Or do you have 3.55s?

I'd say change to 4.10's for better gas mileage with the heavy wheel/tires.

If a compromise for performance is your goal, then go to at least 4.30 gears, 4.56 on the high side. If bottom end is more important, do the 4.56's, otherwise go to 4.30's. Good luck,

I belive the stock is 3.73 I wanna go with something for performance, and at the same time, i do alot of trailering with this truck so it still needs to be able to handle all of that.

Sorry no dyno numbers yet.

Any suggestions with brands of gears?

Hold out for Ford Motorsport gears, they are the most quiet that you can get. The extra $30-50 dollars is worth it. Call Ford, and find out what the highest gear ratio available is.

How much do the wheel/tires weigh? If they are more than about ten pounds more than the stock wheel/tires, you should consider different wheels for towing. No matter what else you do, add the largest additional plate style cooler you can get. Also add an inline filter. Good luck,