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Old Henry · 11-07-2023, 08:29 PM

My sparkplugs have dry black powder on them which, I believe, is from a too rich mixture. The only way I can think of to lean it out and clean up the plugs is to replace the jets with slightly smaller ones.

Any other ways?

11-07-2023, 08:29 PM	#1
Old Henry Senior Member Join Date: Oct 2010 Location: Orem, Utah Posts: 5,762	How to lean mixture on '47 V8 My sparkplugs have dry black powder on them which, I believe, is from a too rich mixture. The only way I can think of to lean it out and clean up the plugs is to replace the jets with slightly smaller ones. Any other ways? __________________ Prof. Henry (The Roaming Gnome) "It is good to have an end to journey toward; but it is the journey that matters, in the end.” *Ursula K. Le Guin in The Left Hand of Darkness