Specifications

Displacement: 3.8L (231 cu. in. / 3800mm)

Block Material: Cast Iron

Head Material: Cast Iron

Horsepower: 170 Horsepower @ 4800rpm

Torque: 220 Ft. Lbs @ 3200rpm

Compression Ratio: 8.5:1

Transaxle:  GM Hydramatic 4T60E-hd

Gearbox Ratios:  1st - 2.92    2nd - 1.57    3rd - 1.00    4th - .70   

Final Drive - 2.97 (Optional for 91' Park Avenue)