They put several different ratios in that year. You need to write the VIN# down and call a Chevy dealer and ask for PARTS, tell the parts man that you have the VIN3 and you would like to know the gear ratio in your truck. He'll tell you.
It should be a 342.
97 Chevy Z71 truck will not shift into third gear.
If you call a GM dealer and give them the VIN# they can tell you what gear ratio you have.
3.73:1
the rear end is prob 3:42 limited slip rear end
To determine your diff ratio, remove the cover, count the teeth on the ring gear, then count the teeth on the pinion gear. Divide the ring gear number by the pinion number.
I need an exploded veiw of a 98 z71 front end gear box
You have a RPO code in your glove box. I have a 1997 Z71 and my rpo is GX4 and the rear ratio is 3.73 You can use your vin number abd call Chevy or a axle place like Jaspers
6x5.5
All you need to do is write the VIN# down and call a GM dealer and ask for parts. Tell them you would like to know the gear ratio in you truck, and that you have the VIN# Thay will tell you what it is.
13.2 to 14.1
you have to drop the oil pan.