Bon Ami 'Trick'
Bon Ami 'Trick'Not that I need to do this, but just curious....
Has anyone ever tried this 'trick' using Bon Ami cleaner to help rings to seat? Supposedly if there is glazing on the cylinder wall that prevents the rings from seating properly, you can shoot some Bon Ami into the carb intake, and it deglazes the cylinders and seats the rings. Anyone heard of it, or tried it??? Vince
What's Bon Ami? Some kind of acid-based cleaner? It might make more of a mess of your carbs than de-glaze the bores. Are you supposed to do it with the motor running? I can't see it getting into the cylinder without the engine running. But if it was running the stuff wouldn't have time to do anything with the bore before it got blown out through the exhaust. As they say on my favorite TV show. Implausible...... G '60 C77 '60 C72 '62 C72 Dream '63 CL72
'61 CB72 '64 CB77 '65 CB160 '66 Matchless 350 '67 CL77 '67 S90 '77 CB400F
It's a very fine cleanser, and while the engine is running, you're supposed to put a teaspoon or so in the palm of your hand and hold it close enough to the intake port so as to let it gradually be drawn into the cylinder. It's supposed to deglaze the cylinder and help the rings reseat themselves. And you're supposed to specifically use Bon Ami, and not just any cleanser.
As I say, it could be just some urban myth that really doesn't work, but if someone has actually tried it, I'd be curious to hear if it solved the problem. i have heard that chevy had a ring sealing problem with the first 265 V-8's in 1955 , supposedly the problem was that the crosshatch applied by the cylinder hones at the factory was not complimentary to the chrome rings that Chevrolet used in their new engine. Bon Ami was the fix according to some old time mechanics i've talked to
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