.035
.045"
.035
.035
65 degrees
.060
.035"
Count how many spark plug wires there are.....
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.