Eforce spark plug question
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Burning Brakes
Joined: Sep 2010
Posts: 933
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Eforce spark plug question
I have a 2009 base coupe with an Edelbrock Eforce and Corsa cat back exhaust and no additional mods. I'm going to pull the stock 41-985 plugs and inspect them as part of winter maintenance. Would there be any advantage to changing to GM 41-104 spark plugs used in the ZR1 supercharged engine if my plugs should need to be replaced?
Race Director
Joined: Mar 2011
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From: SW Florida
2021 C6 of the Year Finalist - Modified
If you supercharged your LS2 or LSs, I would replace the spark plugs with the LS9 lithium iridium plugs ... ACDelco: 41-104
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Last edited by Turbo6TA; Jan 22, 2022 at 11:31 AM.
