Name  | 6L80  | 6L90  | 
|---|---|---|
RPO Codes  | MYC  | MYD  | 
Production Location  | Ypsilanti, Michigan (USA)  | Ypsilanti, Michigan (USA)  | 
Transmission Drive  | Rear Wheel Drive  | Rear Wheel Drive  | 
1st Gear Ratio  | 4.027  | 4.027  | 
2nd Gear Ratio  | 2.364  | 2.364  | 
3rd Gear Ratio  | 1.532  | 1.532  | 
4th Gear Ratio  | 1.152  | 1.152  | 
5th Gear Ratio  | 0.852  | 0.852  | 
6th Gear Ratio  | 0.667  | 0.667  | 
Reverse  | 3.064  | 3.064  | 
Torque Converter Size - Diameter of Torque Converter Turbine  | 258/300 mm  | 300 mm  | 
Pressure Taps  | Line Pressure  | Line Pressure  | 
Transmission Fluid Type  | DEXRON VI®  | DEXRON VI®  | 
Transmission Type: 6  | Six Forward Gears  | Six Forward Gears  | 
Transmission Type: L  | Longitude Mount  | Longitude Mount  | 
Transmission Type: 80/90  | Product Series  | Product Series  | 
Position Quadrant  | P, R, N, D, M  | P, R, N, D, M, I  | 
Case Material  | Die Cast Aluminum  | Die Cast Aluminum  | 
Transmission Net Weight (Approximate)  | 100 kg (220 lb)  | 110 kg (243 lb)  | 
Maximum Trailer Towing Capacity  | Refer to applicable owner's manual  | Refer to applicable owner's manual  |