Two Buick engines were offered on our cars, One a Turbo and the other normally aspirated. In 1984 the smaller 3.8 Turbo engine which had been Carburated, was changed to a Sequential Multi-Port Fuel Injected. Also in 1984 The larger 252/4.1L was discontinued.
Engine | Timing | Comp PSI | Idle Spd. | S plug/Gap* | ||||
---|---|---|---|---|---|---|---|---|
231ci/3.8L | 15o BTDC1,2 | 100min 20% var | 650 in Dr. | RS-46SZ/.060 | A329C | |||
252ci/4.1L | 4 | 100min 20% var | 4+1 qts | 16 qts | RS-46SZ/.060 | A329C |
Engine | Oil Cap# | Coolant | Air Filt* | Oil Filt* | Fuel Filt* |
---|---|---|---|---|---|
231ci/3.8L | 4+1 qts | 16 qts |
All 231 and late 252 Ignition System