The codes GU6 and G80 are for the gear ratio on your vehicle the G80 code indicates your vehicle was eqipped from the factory with a locking rear differential and the GU6 code indicates your gear ratio.
You don't
If you call a GM dealer and give them the VIN# they can tell you what gear ratio you have.
If you call a GM dealer and give them the VIN# they will tell you the gear ratio if you ask them. PARTS DEPARTMENT
It's not. Call a GM dealership, tell them your VIN #, and they can tell you the gear ratio it came with from factory.
a safe-t-track rear end has RPO code G80-which is a positraction rear end and a 3.23:1 gear ratio was available having the RPO code GU5
68 Chevy car
You can call a GM. dealer and ask for parts. Then ask the parts man if you give him the VIN# will you tell me the gear ratio. And he will.
You can call a GM dealer and give them the vin# and they will tell you if it is factory.
They came with different ratios. Look at the code sticker with all the three-character codes. Could be on the door or inside the glove compartment. Look for a GU with a number. If it has a G80 by it then it's positraction. GU6 is a 3.42 and you can look up all the others online. Search GM RPO codes and it will tell you.
95 chevy tahoe (K5 Blazer) comes stock with Gu6 "3.42 gear ratio" limited slip. It was also sold with an option for a Gu4/ G80 "3.73 gear ratio" posi-trac. In the glove box of the vehicle glued to the bottom interior surface is a list of mfg inc options for the vehicle. including the RPO codes for the drive train.
Depends on each individual truck. Look in your glovebox....there is a label from the factory with parts codes on it. The one with G refers to your gear ratio/ ring & pinion. GQ1 -- AXLE REAR, STD RATIO GT4 -- AXLE REAR, 3.73 RATIO GT5 -- AXLE REAR, 4.10 RATIO GU4 -- AXLE REAR, 3.08 RATIO GU5 -- AXLE REAR, 3.23 RATIO GU6 -- AXLE REAR, 3.42 RATIO G80 -- AXLE REAR, LIMITED SLIP (POSITRACTION)