.040 gap for the 4.7L V8
0.040 inch
Listed under the hood on a placard and in your owner's manual.
It is on a sticker on the inside of the hood. Mine is off center slightly on the passenger side, a bit more than halfway down toward the windshield. My 2002 Dodge 1500 w/4.7 has a spark plug gap of 0.040"
.035 in
Plug gap is .035 inch.
.040 inch
.40
The gap should be 0.040".
.040 inch
.035 inch
.040 inch
.040 inch