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Pierce07 01-08-2011 01:02 PM

Figuring Gear Ratio?
I just pulled out my front diff internals and wondering how to find out what gears ratio I have by looking at the ring. Any help?

nick50471 01-08-2011 01:04 PM

I would have looked at the tag on the diff cover.

knnphillips 01-08-2011 01:11 PM

It may also be stamped on your ring gear to.

Pierce07 01-08-2011 01:24 PM

It's aftermarket the guy i bought it was said they're 410's but I'm not 100% sure. I just want to double check

knnphillips 01-08-2011 01:29 PM

It doesn't have anything on the ring gear?

Pierce07 01-08-2011 01:33 PM

it says 4110 713 and also says 1997 Dana

Jerry Bransford 01-08-2011 01:35 PM

Jack the front axle up off the ground so you can rotate the ring gear. Count the number of teeth on the ring gear and pinion gear. Divide the ring gear tooth count by the pinion gear tooth count and you'll have your ratio.

exboomer 01-08-2011 01:38 PM

Count the teeth on the ring gear and the pinion gear. Then do the math.

InfernoGirl 01-08-2011 05:50 PM


Originally Posted by nick50471 (Post 974741)
I would have looked at the tag on the diff cover.

Nice, me too...... :rofl:

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