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View Full Version : Spark Plug Gap for a 350


chewy95
08-28-2003, 05:30 PM
I need to know the gap and what kind of plugs I need to use with a 6AL on a Small Block Chevy 350 street engine
THanks

msdtech1
08-28-2003, 10:45 PM
I would recommend running a 0.040 plug gap with the MSD 6AL Ignition, PN 6420. As for the spark plugs, I suggest that you run one step colder than the recommended stock replacement plug.

MSD Tech1

blasterfast
08-03-2010, 12:26 AM
thank you.