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Old July 9th, 2008, 03:34 PM   #1
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Default Removing carbon from piston during rebuild

I am rebuilding a motor, and would like to remove the carbon from the pistons before i put it back together. What is the best way to remove the carbon?
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Old July 9th, 2008, 03:36 PM   #2
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carb cleaner and elbow grease should work good.
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Old July 9th, 2008, 05:15 PM   #3
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I suggest carb cleaner, but you can also try toilot bowl cleaner. just use enough to submerge the ring lands. DO NOT get it in the piston pin or in between the rings. its just strong enough to remove a couple layers of metal if it get in places you can't wash it out. easy off oven cleaner works to. only let it sit for 3-5 minutes.
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Old July 9th, 2008, 06:48 PM   #4
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x2 on oven cleaner
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Old July 9th, 2008, 09:36 PM   #5
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get a spray bottle with some water and mist it with water. let it sit for a while and it will start to peel off. won't come perfectly clean, but why bother?
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Old July 10th, 2008, 12:38 PM   #6
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I've used purple power.... but DO NOT leave it in their long and dilute it!! I left some pistons in overnight and yeah they were no good after that. Good thing I was buying new pistons
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Old July 10th, 2008, 12:47 PM   #7
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Quote:
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x2 on oven cleaner
x3
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Old July 10th, 2008, 12:57 PM   #8
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how are you rebuilding it if your putting the old pistons back into it? are you just freshing it up? new rings and seals?
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Old July 10th, 2008, 01:07 PM   #9
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Quote:
Originally Posted by wheelingmachine View Post
how are you rebuilding it if your putting the old pistons back into it? are you just freshing it up? new rings and seals?
I bought 2 new pistons, was gonna use 2 old ones that weren't damaged. I just ordered another 2 new ones, decided I should just replace them all, plus the one wrist pin is squeaky.
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