i assume you mean gap,which should be 45/1000 ths
The spark plug gap for a 1986 Chevy Celebrity with the 2.5L 4 cyl engine is .060".
.035"
Spark Plug gap for a 1986 Chevy Nova 1.6L is .043.
The proper spark plug gap for a 1980 Chevy 350 Pickup is .045, according to spark plug manufacturer (Autolite, Bosch, NGK) specs.
.035
.045
.045
The proper plug gap is .035" or thirty five thousandths.
.035
.035
.060
.035