Thread: Valve Cleaning?
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      12-16-2012, 01:46 PM   #6
centexE9x
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Drives: e9x coupe
Join Date: Dec 2012
Location: austin

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It's a little messy but I've seen people fill the intake ports with b12 carb cleaner (some nasty stuff) but it will eat the carbon pretty good. To be honest the walnut shell cleaning is such a mess/ headache compared to just letting each intake port swim in some carb clean. Remove intake mani, roll over each cyl to close intake valves and let em soak