Gearing?

[T boy346]

How do you tell what you’re gearing?

I have never had to open the pumpkin.

I figure it’s 3.73 because that’s what the dealerships said when I bought it, but I want to be sure.

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[AK Bob]

You can always use this method without opening the pumpkin.

Chock the front wheels, jack up the vehicle's rear, and get both rear tires off the ground. Now, put your jack stands under the axle.

Make a mark on the pinion yoke and onto the rear end with chalk or a grease pencil. Do the same to the tire on the truck to see when the tire has rotated precisely one turn.

Now count the number of turns of the driveshaft that it takes (use your chalk marks) to make the rear tire turn one complete rotation (remember, the transmission needs to be in neutral or out of gear).

If you have 3.73 gearing, the drive shaft will turn 3 and 3/4 turns.

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