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Old 08-18-2005 | 08:17 AM
  #444  
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wendellc1
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Joined: Apr 2005
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Just bought a JP fully optioned .12 from Mugen's Direct website yesterday. Expensive engine, but great service never the less.

Need some suggestions about the break-in process of this engine. My usual procedures is:
(Heat the engine up b/4 starting up) Start the engine up and let the car sit on the starter box. I bring the engine temp to 160-170F by 3/4-full throttle at the factory setting, which is normally very rich. After 10 tanks going through the same process, I take the car out to the track and without changing any settings (very rich), I ran it for another 5 tanks. After the 15th tank, I start to lean out the engine to 200-220F and use it for practice for another 1/2-3/4 gallon. After that, I keep the engine at 220F for practice and 240-250F for racing.

Should I use this process for this engine?

Thanks
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