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flatjack9 · 09-20-2020, 03:35 PM

When I was in the engine lab at IH, we bought a lot of those gadgets. Never found one that actually worked better. Mostly the engine ran worse. And yes, I would call them "snake oil".

09-20-2020, 03:35 PM	#12
flatjack9 Senior Member Join Date: May 2010 Location: Oshkosh, Wi Posts: 4,526	Re: E 3 spark plugs When I was in the engine lab at IH, we bought a lot of those gadgets. Never found one that actually worked better. Mostly the engine ran worse. And yes, I would call them "snake oil".