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Anonymous
The 1998 Chevrolet Silverado V-8 engine spark plug gap is .031. Most spark plugs come pre-gapped from the spark plug manufacturer.
Wiki User
0.060 Plug gap.
.40 gap
.060
0.035
spell check your answer
.035
I believe it is 45
0.060 inch
0.060
,030"
100.5 mm