The spark plug gap for a 1998 Chevy 305 engine is typically set between 0.040 to 0.060 inches. It's essential to check the owner's manual or a repair guide for specific recommendations based on your engine's configuration and any modifications. Proper gap adjustment ensures optimal engine performance and efficiency.
The Spark Plug gap is .045
Per Champion spark plug applications chart, the gap for 1989 Chevy 305 (5.0L) is .035.
.035
.035
.45
.045"
.045
The recommended spark plug gap on a 1996 Chevy C1500 with a V8-305 engine is .060"
.035
Sorry but I do not under stand your question.
Drivers side, first spark plug in front is #1
0.035