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Old 06-05-2011, 01:51 PM   #1
snj8198
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cleaning pistons

Hi guys,

I have a set of hypereutectic pistons I'm putting up for sale but I would like to clean them up first. What is a good cleaning agent and procedure for doing this? The faces have some patches of heavy carbon build up I would like to remove.

Thanks for the input.

-steve
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1971 GMC Longbox. Full Roller Stroker 489 w/ FiTech EFI, Chris Straub Cam/NV4500/205/D60/14B w. Grizzly Locker and 4.11's. 2" Lift on 33's
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Old 06-05-2011, 05:46 PM   #2
blackedoutharley
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Re: cleaning pistons

Brake clean?
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Old 06-05-2011, 06:11 PM   #3
SkeksisNV
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Re: cleaning pistons

Parts solvent works good with a soft bristle brush.
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Old 06-05-2011, 08:25 PM   #4
hayhauler71
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Re: cleaning pistons

soak them in trans fluid overnight and wipe clean in 24 hours
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Old 06-05-2011, 09:06 PM   #5
snj8198
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Re: cleaning pistons

Thanks for the suggestions guys. A few of these are pretty scaly. After soaking will a soft bristle brush in a drill be too rough?
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Old 06-05-2011, 09:20 PM   #6
hayhauler71
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Re: cleaning pistons

Quote:
Originally Posted by snj8198 View Post
Thanks for the suggestions guys. A few of these are pretty scaly. After soaking will a soft bristle brush in a drill be too rough?
In trans fluid after 24 hours it will come off with your wifes toothbrush
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Old 06-05-2011, 09:26 PM   #7
snj8198
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Re: cleaning pistons

Thanks, I'll let you explain it to her.
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1971 GMC Longbox. Full Roller Stroker 489 w/ FiTech EFI, Chris Straub Cam/NV4500/205/D60/14B w. Grizzly Locker and 4.11's. 2" Lift on 33's
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Old 06-06-2011, 12:19 AM   #8
dwcsr
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Re: cleaning pistons

Quote:
Originally Posted by snj8198 View Post
Hi guys,

I have a set of hypereutectic pistons I'm putting up for sale but I would like to clean them up first. What is a good cleaning agent and procedure for doing this? The faces have some patches of heavy carbon build up I would like to remove.

Thanks for the input.

-steve
try this
http://www.thehollisterroadcompany.com/Pistonkleen.html
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Old 06-06-2011, 08:31 AM   #9
snj8198
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Re: cleaning pistons

interesting, thanks.
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Old 06-07-2011, 12:33 AM   #10
5150.4.67
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Re: cleaning pistons

GM top engine cleaner works well.
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