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Old 07-04-2002 | 12:53 PM
  #5  
Bigplaneflyer
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Joined: May 2002
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From: Meridian, Idaho
Default Carbon Bulid-Up

Diablo-
I had the same problem on my 100, I switched to the 3-W oil after I replaced the rings(They were stuck in the grooves), 200 flights since then with no carbon, and I have used "Mid-Grade" 89 octane gas since new. We'll see what the new 200 I bought does.