Seafoam is basically Redex by another name with added Yankee hype.
I chuck a bottle of it in a tank every year.
Quicksilver Powertune is another one of the decoking sprays-and available over here. I've got some here and I don't use it for that-it's exceptionally good at cleaning crud from carbs when stripping them.
I might try it the way it's supposed to be used at some point but a lot of the stuff on the American sites refers to decarboning/decoking ancient engines that have thousands of hours on and the ring grooves clog up with carbon making the rings stick.It's not unusual for people in the US to still be using engines from the 1960s as the spares availability is far better there than here.
Not sure that makes sense. I'm knackered.
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