Plug Life and Ash
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Joined: Jan 2013
Posts: 5,030
Total Cats: 861
From: Seneca, SC
Pulled my iridium plugs (BKR7EI IX) after about 15K miles. Quite a bit of ash on them.
I am cruisng fairly lean (15.8 - 16.0).
How common is it to have ash buildup? Street turbo, 93 Octane, usually Shell, but not always.
What kind of life are folks getting from these plugs?
DNM
I am cruisng fairly lean (15.8 - 16.0).
How common is it to have ash buildup? Street turbo, 93 Octane, usually Shell, but not always.
What kind of life are folks getting from these plugs?
DNM
Last edited by DNMakinson; May 18, 2023 at 09:30 AM. Reason: Typo on NGK P/N, corrected "L" to "K".
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