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Thread: Engine break-in What fuel % or brand?
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Old 08-21-2008 | 06:02 PM
  #3  
SasonRC
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Joined: Mar 2005
Posts: 96
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First engine to break was OS 12TZ EB MOD. Conrod expaded and broke crankcase
Second engine that broke: stock mugen ninja .12 it was like sand blasted inside. Piston and sleeve still can be salvaged.needs bearings.
Back up engine: salvaged OS 12TZ EB MOD Conrod is lose, will replace.

New engine: OS TZ SPEED TUNED II

This all started after using the 30%
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