Skylark V6-173 2.8L VIN X 2-bbl (1984)
Spark Plug: Technical Service Bulletins
Spark Plug - Gap Information
Bulletin 84-6E-11
Date
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
