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Old 10-03-2012, 02:22 PM   #8
GMCJOE
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Join Date: Aug 2012
Location: Junction City, KS
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Re: How do I identify the rearend ratio?

Quote:
Originally Posted by bonnieclyde100 View Post
yes it allows me to towing a car trailer easily and still go down the interstate without burning up my engine turning to many RPM. mine used to have a 3.04 in it and that was way to high to tow much. i am only hitting about 2200 at 70mph
2200rpm is much better than what I am hitting with these 4:11. Before I tore my tach out, I was running about 3500rpm's.

You can read the axle code, but that may not be correct as someone may have changed the gears out. Pulling the cover is the best bet in knowing the correct ratio.
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