The "AT" indicates it is a factory replacement engine (reman). All reman or crate engines shipped or installed after 2005 are the large IMS bearing, the numbers say yours dates later than that; the IMS cannot be replaced.
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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; 02-07-2013 at 02:55 PM.
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