LS4 Performance - LF: Spark plug gap
10-13-2010, 07:37 PM
whats the stock plug gap in our car's? i cant seem to find it.
10-13-2010, 08:02 PM
ummm... would be right in the owners manual... I believe the gap is .040...
10-13-2010, 08:08 PM
10-13-2010, 08:14 PM
also, should be on the emissions sticker under the hood.
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