Carbon Buster
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Posting Guru
Joined: Sep 2002
Posts: 2,420
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From: Langhorne, PA
Carbon Buster
I discovered an easier way(for me) to clean the intake manifold. I pulled the lower intake off of my old 4.9L and noticed a heavy carbon build up from the head flange back about 3 inches. I tried various brushes and cleaners but couldn't get the majority of the scale. I bought a small brass wire brush, the kind that goes into your electric drill. The one inch diameter brush fit nicely into the manifold tubes but only could clean about 1 and half inches deep. I thought about it for a while ,and remembered a carpentry tool I had laying in the tool box. I have a 12 inch spade bit extender, it has two set screws to hold a wood boring spade bit. I stuck the brass brush into the extender, tightened the set screws and was able to get all of the scale out of my intake in about 10 minutes of easy work.
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Joined: Sep 2001
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Thanks!
Use white lithium grease around the tops of pistons before you wire brush them to keep carbon from falling down around the outside of the piston. Then lower the piston and wipe the collected gunk off! re-seal the tops of pistons after cleaning with white lithium to keep any other junk from getting in while you are working.
Use white lithium grease around the tops of pistons before you wire brush them to keep carbon from falling down around the outside of the piston. Then lower the piston and wipe the collected gunk off! re-seal the tops of pistons after cleaning with white lithium to keep any other junk from getting in while you are working.
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Posting Guru
Joined: Sep 2002
Posts: 2,420
Likes: 3
From: Langhorne, PA
I'll just eloborate now..I cleaned the intake manifold pipes while they were off the truck. I wouldn't suggest that anyone use this method to clean your exhaust or intake while on or near the engine. Big problems could develop if the wire bristles come loose and fall into the crankcase or head passages. I didn't use the brush on the intake and exhaust ports of the head either, I let the pros clean and repair my heads.
I also wanted to buy a flex driver that could hold the brush. That way I could have run right thru the bends easier.
I also wanted to buy a flex driver that could hold the brush. That way I could have run right thru the bends easier.
