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Hi guys,

I'm getting a bit of plug fouling in the twin-carb, not as bad as before, but enough to make me think it's probably built up on valve seats as well.

I know coke can be burnt off by misting water into the throttle bodies while revving a hot engine. My cousin, who's a mechanic, recommended I buy some "upper cylinder cleaner" spray to do the same job.

Anyone had experience of either? Can I hurt the carbs or the engine if I take care not to get any large drops of water into the throttle bodies?

useualy water is reserved for rather heavy deposities..ive done it on atleast a dozen or so engines in the past with no ill effects...anything short of killing the engine while pouring into the carb or TB is fine..once your done go for a 10 min drive to verify youve burned it out of the exhaust systm

Thanks - I thought the idea was to mist in distilled water ... do you mean I should POUR it in the carbs?