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Old 12-08-2011, 08:31 AM   #1
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Default break in problems....starterbox not turning the flywheel

im having problems with breaking in a new 12. engine...the compressions so tight the starterbox wont turn it...iv tryed heating it with a hair dryer...any other advice :S
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Old 12-08-2011, 08:39 AM   #2
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isit worth buying a 12v engine pre heater
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Old 12-08-2011, 12:51 PM   #3
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hair dryer alone may not produce enough heat. I use a heat gun for my new engines and get the head temp to at least 150* and go from there. You definately want the engine to turn over fairly easily so that the conrod won't take so much abuse trying to turn over a tight piston/sleeve combo.

good luck.
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Old 12-09-2011, 06:12 AM   #4
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If that does not do it loosen the glow plug about half a turn and try starting it again.
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