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Old 09-21-2018, 01:31 PM   #1
Nickagriffin
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Default Best way to get carbon off of pistons??

Hey guys,

Im trying to refresh my B230F and my pistons have a layer of carbon on them. I soaked them in diesel for a week to hopefully loosen some of it up but it's still glued on. Any suggestions? I was thinking of trying a nylon brush and some Brakleen next...

Nick
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Old 09-21-2018, 01:55 PM   #2
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I used super fine non woven nylon, think scotch Brite but really fine and brake clean.
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Old 09-21-2018, 02:00 PM   #3
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Old 09-21-2018, 02:02 PM   #4
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Dip them in concentrated purple power or Super Clean for about 10-15min, then scrub scrub scrub.
Don't leave them in their overnight, since the cleaners contain sodium hydroxide (lye) which will attack aluminum.
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Old 09-21-2018, 02:04 PM   #5
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Folks on here don't know a good deal when they see it.
how psi stock cna support?

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Old 09-21-2018, 02:19 PM   #6
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Soak them in ATF overnight. It will soften the carbon and make them easy to clean.
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Old 09-21-2018, 02:41 PM   #7
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Quote:
Originally Posted by hiperfauto View Post
Soak them in ATF overnight. It will soften the carbon and make them easy to clean.
ATF is a magic cleaning solution.
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Old 09-21-2018, 03:00 PM   #8
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https://www.amazon.com/Berryman-Prod.../dp/B00DSMEL2A

Only stuff I use. Overnight each one and it looks like it just came out of the box.
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Old 09-21-2018, 03:04 PM   #9
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Quote:
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https://www.amazon.com/Berryman-Prod.../dp/B00DSMEL2A

Only stuff I use. Overnight each one and it looks like it just came out of the box.
Just what I was thinking.
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Old 09-21-2018, 03:06 PM   #10
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Not too impressed with Chem Dip, honestly. Torching **** works way better.


Quote:
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ATF is a magic cleaning solution.
This plus acetone will get anything clean.
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My knob has a big chunk of steel on it
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Old 09-21-2018, 04:14 PM   #11
Nickagriffin
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Thanks for the suggestions. The brass brushes won't scratch the pistons at all?
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Old 09-21-2018, 04:21 PM   #12
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Quote:
Originally Posted by Nickagriffin View Post
Thanks for the suggestions. The brass brushes won't scratch the pistons at all?
No. It won't.
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Old 09-21-2018, 04:21 PM   #13
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seafoam, duh.
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Old 09-21-2018, 04:22 PM   #14
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take them to a local machine shop with a case of beer they'll look like new
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Old 09-22-2018, 11:07 PM   #15
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don't beat yourself up over them, it most likely won't make any difference... well unless it's like a half inch thick
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