OleCowboy wrote: You have a carbon/smoke residue build up, not uncommon at all and the best products I have come across to clean your components is a good quality carbon cleaner. You can get this at most any auto store and or you can stop off down at your local BBQ supply store and get some BBQ grill cleaner.
Carb cleaner should also work if the carbon is not too built up. I have also used GUNK for engine cleaning and had excellent results on carbon build up.
If push comes to shove, take a propane torch, heat it up HOT and spray it with some water and just watch the flakes of carbon come off, works best on components that does not have any coating on it.
Should work good. the propane BBQ grill, I have one of those grill scrubbers, wire brush device that You fill the handle with water, get the grill good and hot, turn the little valve ot the on position and, scrub, grill becomes instantly clean.
Go to the GM or Ford dealer's parts counter. Ask for a can of carburetor cleaner. Not the spray stuff, but the liquid. Place this in a plastic container. Insert the device in the cleaner and soak overnight. Wake up to a carbon free device. Strain and put the cleaner back in the can.
Been using the same can on devices and AR bolts for three years. Nu scrumming, no removing the device. Easy peasy!
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