what kind of solvent for cleaning heads and tops of pistons? - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 05-05-2006, 12:36 PM   #1 (permalink)
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what kind of solvent for cleaning heads and tops of pistons?

got an engine torn apart to replace a head gasket and figured i would get things cleaned up while im in there. What do you guys use?


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Old 05-05-2006, 01:31 PM   #2 (permalink)
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Brake clean.
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Old 05-05-2006, 02:23 PM   #3 (permalink)
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Carb cleaner does a decent job at cleaning stuff up, but nothing really dissolves carbon, or at least nothing I have found yet. Use a blunt plastic scraper to help break it up. Make sure you dont get any pieces of carbon on the sides of the pistons because it will score the hell out of the bore. Add a little bit of MMO to the cylinder walls and allow it to seep down to the rings because the carb cleaner will dissolve any remaining oil on the walls.


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Old 05-05-2006, 03:21 PM   #4 (permalink)
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I have always used a wire wheel on carbon deposits with great sucess , followed by cleaning with a carb or brake cleaner
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Old 05-05-2006, 07:42 PM   #5 (permalink)
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A can of GM top engine cleaner is the best I have ever used.
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Old 05-05-2006, 08:06 PM   #6 (permalink)
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if you are not removing the pistons I'd just leave the carbon alone. It's gunna come back either way, and you run a serious risk of fawkin up your walls if you're not uber carefull. When you run it again just run some sea foam through it to clean it up.
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Old 05-05-2006, 11:24 PM   #7 (permalink)
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No risk if the pistons are TDC
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Old 05-06-2006, 09:07 AM   #8 (permalink)
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Quote:
Originally Posted by ImNotRight
if you are not removing the pistons I'd just leave the carbon alone. It's gunna come back either way, and you run a serious risk of fawkin up your walls if you're not uber carefull. When you run it again just run some sea foam through it to clean it up.
Nice reading and comprehension!

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Quote:
Originally Posted by ToiletDuck
got an engine torn apart to replace a head gasket and figured i would get things cleaned up while im in there. What do you guys use?


Thanks
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Old 05-06-2006, 08:33 PM   #9 (permalink)
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Nice reading and comprehension!
I assumed he has the upper half torn down.. didn't say he pulled the engine nor the crank.
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Old 05-06-2006, 08:54 PM   #10 (permalink)
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Quote:
Originally Posted by ImNotRight
I assumed he has the upper half torn down.. didn't say he pulled the engine nor the crank.
Removing the heads doesn't mean torn apart to me!
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Old 05-06-2006, 10:03 PM   #11 (permalink)
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last time I replaced a head gasket I tried easy-off oven cleaner...with a little elbow grease it cut right thru the carbon deposits
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