The spark plug gap for a 1991 Dodge 318 engine is typically set between 0.035 and 0.045 inches (0.89 to 1.14 mm). It's essential to check the specific requirements in the owner's manual or service manual, as variations may exist based on engine configuration or modifications. Always ensure the gap is set correctly for optimal engine performance and efficiency.
( .035 inch ) spark plug gap for a 1973 Dodge 318 V8 engine , according to my Chilton book
.35 Gap
.035 in
Dodge Spark Plug GapCall an auto parts store and they can tell you..040 inch
18436572
Depends on the year. .035 or .040 in
.035 inch
.035 inch
.040 inch
Champion RC12LYC .035 gap
.035 inch
I ran one for years on 0.035 with Platinum plugs.