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Originally Posted by Homeoboxter
Yes, I came across that too, based on that info the engine should be 2005 or newer. Now, looking at the Bentley manual, looks like the 3-chain engine with the redesigned variocam came out in 2003, but this engine is definitely a 5-chain. It`s possible that this IMS is not its original. Or perhaps this was a factory replacement engine which Porsche built after 2005 with the newer IMS but with the early variocam system to match the DME  |
Once Porsche moved to the oversized third generation IMS bearing, factory reman five chain engines used the oversized bearings. If this was a factory reman, the engine numbers on the oil sump rail would indicate it is a retread.
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