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Originally Posted by JFP in PA
Not quite the same thing.
What you are referring to is removal of the balance shaft, not an intermediate shaft. The makes you point out use a rotating mass to dampen vibrations. The IMS in a M96 Porsche is not there for this purpose, the crank turns one end of the IMS, the other end turns the camshafts; remove it and the engine will not operate..................
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I didn't say they were the same, I was using that as an example of eliminating an unnecessary system that over complicates an engine. I understand that the M96 does not use a balance shaft. What I said was the Subaru engines which are also horizontally opposed and also come in 4 and 6 cylinder version do not use an intermediate shaft and have no reliability issues because of it.
And Subaru does not use balance shafts either.