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Engines and Mufflers Having problems or need advice on Engines or Mufflers?


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Old 07-31-2020, 01:12 PM   #1 (permalink)
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Default What is a decent muffler made from?

Just aluminium and nothing more or brass with a tin coating?


I have some scratches and damages it want sand smooth and re-polish
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Old 07-31-2020, 05:32 PM   #2 (permalink)
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Quote:
Just aluminium and nothing more or brass with a tin coating?
AFAIK: Aluminum only. But, it may be an alloy to form the hardened aluminum. How that may affect polishing, IDK.
And, some have a clear anodizing.
If you just polish it, I'm not sure how long it will stay shinny
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Old 08-01-2020, 04:22 AM   #3 (permalink)
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Turned out ok i think

Verstuurd vanaf mijn SM-G950F met Tapatalk
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Old 08-01-2020, 07:04 AM   #4 (permalink)
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I have always polished my mufflers. They scuff easily and fuel spots form so it has to be done from time to time. But the muffler is a huge visual part of the model and it really helps to keep it looking nice. Nothing looks worse than a dented, dingy, oil-caked, scabby looking muffler hanging of an otherwise nice model.
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Old 08-03-2020, 12:08 PM   #5 (permalink)
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Quote:
Nothing looks worse than a dented, dingy, oil-caked, scabby looking muffler hanging of an otherwise nice model.
But then, it looks too good to fly.

SIROLF:
Care to share your technique?
I don't know what that one looked like before you started, but I have a Hatori pipe that hasn't looked as that once good since it was new.

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Old 08-08-2020, 01:41 PM   #6 (permalink)
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Started off with with light sanding spots that has scratches with wet 800 or 1000 grit sandpaper, so keep it good wet and carefully sand evenly.

Lighty clamping in a vice will help. Resand with 1200 wet if neccassery.
To get a shine polish with Commandant 4

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Old 04-16-2021, 03:24 PM   #7 (permalink)
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This what I use on pipes, works great.


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