Thread: Mugen MTX-3
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Old 06-18-2003, 02:58 PM
  #5536  
Corse-R
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Join Date: Aug 2001
Location: Madrid (Spain)
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Originally posted by RClover
i believe these are castor oil stain after the combustion process.
just to make sure i dont have pre-detonation syntoms..
Uhm, you don't have pre-detonation symptoms.... but the fuel leaves some to desire, those residues doesn't look so good for me, a good fuel not leaves residues or leaves a very fine layer of color over the piston, too much castor or low quality oil.

What fuel is?
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