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Thread: o.s. tz help needed
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Old 04-15-2007 | 05:26 PM
  #9  
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wizby
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Joined: Sep 2004
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From: indiana
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Castor oil will leave a buildup if the engine isnt hot enough for a long time.
Ive seen blue thunder fuel do it real bad if the engine isnt run at high enough temps. Keep the engine above 200 degrees.
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