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· Super Moderator
2020 Challenger
4,266 Posts
Good question. Once in a great while I will. I had a good dyno two years back and it runs smooth, but still pops a bit on deceleration and sometimes pinging on acceleration but usually just Lucas injector cleaner or PI cleaner from Amsoil
I just noticed your plugs have a rust/red color, which is indicative of octane booster use.
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