yes, absolutly a must, 4:10 and 4:11 will qualify as the same
YES, as long as there the same GEAR RATIO.
I have a 2001 Chevy silverado with the 5.3 and im almost positive i have 3.42 gears
3.73
it will be the same as the rear diff
The gear ratio is 3.60:1, this is for the front limited slip differential.
they would be the same if both vehicles have same differentials . note that front and rear diffs on 4x4, must be matching ratio, to work properly when in 4x4
373
3.8
it will probably be 3.73
what size truck? 1500,2500,3500?
All you need to do is call a Chevy dealer and give them the VIN# and asked them what the gear ratio is in your truck and they will tell you what the factory gear ratio is.
i believe it would be 3.11