What are the stock ratios on a 5.3 4l60e?

 

1st 3.06 - 2nd 1.63 - 3rd 1 - 4th .7

unless you mean rear diff ratios.
then you have 3.23, 3.42, or 3.73

Loook in your glove box for GT4 GU6 GU4

 

thanx man..im changing to 4.10s today...

 

your gonna love those 410,good choice

 

How was the difference on ur truck wen u threw in those 4.10s?

 

nonnieselman- which code is for which ratio? I have been searching for this exact info.. Couldnt find anything, and since I am new to the truck world, I'm trynig to learn everything about my truck that I can.. Thanks, Josh