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Going with the LN IMS retrofit is a preemptive move, not a reactive one. Yes, many of the bearings replaced were still in working order, but many showed early signs of failure. Once the IMS bearing starts to go south, it can quickly fill the engine with metal particles; once that happens, it is too late to do the upgrade as the residual metal circulating in the oil system will most likely lead to a component failure. At that point, the engine should be taken apart. Both LN and Jake Raby have been very clear on this point from the start. Of the handful of known IMS retrofits that have gone bad, either poor installation techniques or this exact issue caused most of the problems.
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“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
Last edited by JFP in PA; 06-30-2012 at 09:47 PM.
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