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| Rotary Tech - General Rotary Engine related tech section.. Tech section for general Rotary Engine... This includes, building 12As, 13Bs, 20Bs, Renesis, etc... |
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#3 |
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RCC Addict
Join Date: Mar 2008
Location: Honolulu, Hawaii USA
Posts: 1,813
Rep Power: 19 ![]() |
They come coated from the factory.
Polishing them just just got rid of that special coating. I don't bother, except to knock off all the crud. No on see them once the motor is assembled anyways. ![]() -Ted |
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