Spark Plug - Gap Information
Bulletin 84-6E-11Date April '84
Ref. No. 84-096-6E
SUBJECT: SPARK PLUGS
MODELS AFFECTED: ALL 1984 MODELS
The emission label on some Buicks may not have the spark plug gap information included. Spark plug information for 1984 Buicks is listed below:
AC PLUG ELECTRODE
ENGINE VIN TYPE GAP
1.8 O R44XLS .035
2.0 P R42CTS .035
2.5 R R43TSX .060
2.8 X R43CTS .045
3.0 E R44TSX .060
3.8 A R45TSX .060
3.8 3 R44TS8 .080
4.1 4 R45TSX .060
5.0 Y (Summer) R46SX .080
5.0 Y (Winter) R46SZ .060 (Production Only)
3.8 Turbo 9 R44TS .045
2.8 Z (H.O.) R42CTS .045
1.8 Turbo J R44XLS .035