.045
maybe 35
.045
Need to know what engine you have.
The spark plug gap on 1977 Chevy truck 454 should be set at .045 inches. Spark plugs are preset at the factory and should need no adjustments prior to being installed.
spell check your answer
0.035 inches.
1990 Nissan/Datsun Truck D21 Truck 2WD 2.4L FI 4cylThe Spark Plug Gap.044 (In thousandths of an inch)
What engine?
.060
this is the proper
.035
call autoparts house