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View Full Version : gapping spark plug effect emissions?



wizzards581
08-13-2006, 08:18 PM
i was wondering if it did in any way. im frm california. i use to have a SW20 and i had the spark plug gapped lower then stock gap and before i sold it, i had it smog and still seem to pass.

i was wondering if it effects performance, will it effect emission in anyway?

one time i went to autozone and kragen and ask them for spark plugs a step colder and they have no clue what im talking about... :wtf:

aballz
08-14-2006, 04:29 AM
Wow i have no idea either, care to discuss what a colder one does?