
Look into transplanting a later supercharged 3800 into the car. You may encounter many road blocks, but where there is a will, there is a way. The 1996 and up SC 3800 made 240HP, and 280 Ft. Lbs. of TQ. The 95-99 Rivieras were very quick.would like more power in my 86 riv. engine or tranny change?