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breakin after ring replacement 120-130

posted by  Peetz on  Fri Jun 28 20:14 CST 2013
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last visit: Thu Oct 9 10:18 CST 2014
[RELATED]

When you prepared the used pistons, did you clean out the oil drain back holes in the bottom of the oil ring grooves?
Break-in is easy. Start and fast idle for 10 minutes or so, check all the levels and that the radiator is full, and no oil and coolant mixing. Then drive normally for a couple of hundred miles, gradually becoming more aggressive with the throttle. After four or five hundred you can do as you want. Change the oil then.
I use 10W-30 for break-in but with modern oils and a new camshaft that can be a problem. Any diesel rated oil of 15W-40 will work fine for break-in and the long haul.





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