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