1985 - 4T60
Model Code | Engine | Platform | Differential Ratio | Sprocket Ratio | Final Drive Ratio | Converter Code | Convertor Stall Speed |
CM, CP | 2.8 V6 HO | A-Body: Chevrolet, Pontiac, Oldsmobile, Buick | 3.06 | 35/35 | 3.06 | FD6B | 2095 |
CN, CW | 2.8 V6 | A-Body: Chevrolet, Pontiac, Oldsmobile, Buick | 3.06 | 35/35 | 3.06 | FD6B | 2095 |
HA, HJ, HT | 2.8 V6 (Canada) | A-Body: Chevrolet, Pontiac, Oldsmobile, Buick | 3.06 | 35/35 | 3.06 | FD6B | 2095 |
AF, AM, AY | Cadillac 4.1 V8 | Cadillac C-Body & Limo | 3.33 | 37/33 | 2.97 | FM8C | 1525 |
AR | Cadillac 4.1 V8 | Cadillac C-Body (Export) | 3.33 | 37/33 | 2.97 | FM8C | 1525 |
BS, BU, BN, BV | Buick 3.0 V6 | C-Body: Oldsmobile, Buick | 3.06 | 35/35 | 3.06 | FE4B | 1865 |
OB, OY | Oldsmobile 4.3 V6 (Diesel) | C-Body: Oldsmobile, Buick | 3.06 | 35/35 | 3.06 | FY7B | 1525 |
BA, BC, BR | Buick 3.8 V6 | A/C-Bodies: Chevrolet, Pontiac, Oldsmobile, Buick | 2.84 | 35/35 | 2.84 | FL4B | 1895 |
BX, BW | Buick 3.8 V6 | A/C-Bodies: Chevrolet, Pontiac, Oldsmobile, Buick | 2.84 | 35/35 | 2.84 | FM4B | 1895 |