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  1. U

    Could small metal particles gotten past my piston rings and damage my crank after cleaning pistons?

    mostly used an already dulled harbor freight nylon wheel a la https://www.harborfreight.com/4-in-80-grit-nylon-abrasive-wheel-with-14-in-shank-60325.html And https://www.harborfreight.com/2-inch-80-grit-shaft-mounted-cup-brush-91367.html
  2. U

    Could small metal particles gotten past my piston rings and damage my crank after cleaning pistons?

    Every time I happen to use a Scotch-Brite pad I wiped the block down pretty well afterwards, i have a feeling there’s not a lot of scotch bright particles, just metal and nylon shavings
  3. U

    Could small metal particles gotten past my piston rings and damage my crank after cleaning pistons?

    So these metal particles are microscopic, like when they’re on my finger i can only see them at the right angle. I only used the scotchbright pad a few times and when i did i always cleaned the surface of what I was cleaning. Considering this is a steel block, do you think taking the oil pan off...
  4. U

    Could small metal particles gotten past my piston rings and damage my crank after cleaning pistons?

    What’s funny is y’all seem concerned about the rings, I’m honestly not concerned about the pistons, rather the main/rod bearings
  5. U

    Could small metal particles gotten past my piston rings and damage my crank after cleaning pistons?

    my friend that is a mechanic for porsche told me it’s the way to go. I didn’t have a second thought until staring at it too long
  6. U

    Could small metal particles gotten past my piston rings and damage my crank after cleaning pistons?

    I mostly used nylon wheels from harbor freight - this was probably it https://www.harborfreight.com/4-in-80-grit-nylon-abrasive-wheel-with-14-in-shank-60325.html But at one point (and this is what’s really worrying me) i used one of those brown scotch bright pads by hand.
  7. U

    Could small metal particles gotten past my piston rings and damage my crank after cleaning pistons?

    I took the head off of my BMW S54 and the block had a lot of carbon buildup. My mechanic friend told me that nylon drill attachments won’t scuff the metal because it’s a softer material than the metal. I took the liberty of removing all the carbon i could and i noticed that a lot of carbon gunk...
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