As the title says, I am looking for a recommended way to clean the surface of the piston to get rid of all the carbon that has built up. If it makes a difference the engine is a s52.
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Best way to clean the surface of the pistons?
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Are they still in the block? I'd think a rag and some solvent like gasoline or brakeleen, should be fine, maybe even ATF. I've heard not to use brillo/scotchbrite scrubbing pads because the fibers can break off and go into your engine.The first car I ever rode in was an e30
Originally posted by Cabriolet
Wish you the best and hope you don't remember anything after 10pm.
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2011 Alpinweiss 335is coupe
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I poured seafoam down the bores and put plugs in tobsoak for weak or two. Then drained andbsprayed break cleaner in and let that soak a day or two. Then opened em up and let brake clesner that remainedbflash off then used a long blower and blew out each bore. All kinds of carbon came out hahaha.
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Originally posted by mpowerful View Post^^because this option can be extremely costly. He didnt really mention if he had it apart or not either. If is apart I recommend the hottank woot.
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The difference between re-gasketing, and full refresh is $1000+, and three times the work.
The pistons will clean up nice with a microfiber towel, and brake/carb/throttle plate cleaner.
I used a gasket scraper, green scotch brite, brake clean, and mineral spirits to clean the matting surface on the block. In retrospect, the scotch-brite is probably not the best option, as it does tend to get fibers all over, but if you are careful the fibers can be controlled to an extent. I will be running a good bit of oil, and coolant through the engine while it is on the stand to flush out the fibers I wasn't able to contain.
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