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Old 06-28-2013, 12:58 PM   #29
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I heard that breakin can vary anywhere from 225,000 up to 320,000 which is also coincides with the first day they start to depreciate.

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Old 06-28-2013, 06:29 PM   #30
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Originally Posted by jrstout89 View Post
I heard that breakin can vary anywhere from 225,000 up to 320,000 which is also coincides with the first day they start to depreciate.
jrstout89, my understanding of depreciation is that it starts when the sales guy lays his eye on you, classifies you as fool and quotes you a price. The first chunk comes off when you sign on the dotted line and before you drive off the lot.


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Old 06-30-2013, 08:40 PM   #31
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New to the Diesel truck motors, but in the Marines I worked on amphibious tracked vehicles that had 903 cu in turbo Cummins in them. After a few good heat cycles of light load - full running temp achieved - they were turned loose, to be run like your life depended on it!

My bike mechanic says after a few heat cycles, break it in like you are gonna drive it. Ride it easy and it will break in to be ridden that way. Example; while at Myrtle Beach Bike fest back in 09, there was a Dyno trailer and I watched 2 guys that brought their bikes in to be dynoed. SAME MOTOR, transmission, gearing, ect. SAME upgrades done by the same mechanic, but 1 bike would consistantly outrun the other. Dynoed both bikes and sure enough, one was putting down about 8% more than the other. The dyno operator asked "Who broke theirs in like they stole it?". The guy with the faster bike said, "After a few easy rides, I rode it like it was stolen".

Another example of 2 similar bike motors; 1st guy rides it hard as he can when he can, 2nd biker rides it easy most of the time - he had a knock form in the motor. When torn down, it turns out to be a layer of carbon formed on top of the piston, that breaks loose and knocks! Mechanic told him to "wind it out every now and then - to keep from forming the buildup". As for my bike? My mechanic asked me the first time I took my bike to him and he had to remove excessive fuel adjustment another mechanic had created, "Do you ride it like a crotch rocket?" "this should be fouling plugs with this much fuel!" Yea, I'm the 1st guy in example 2. Planning on running my 5.9 hard - now and then, to blow the carbon out.

Bob and sometimes - Nina - a Staffordshire Terrier/a SPOILED pit and her kitty Spaz
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