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Originally Posted by Jake Raby
The cams are driven at 1/2 crankshaft speed.. That is accomplished via the IMS.
The surface speeds of lots of timing chains are being elevated..
Flaws take a while to note, the new engine was also subject to Porsche Accounting, just like the M96.
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This doesn't justify the need for an intermediate shaft at all. Obviously there are a LOT of other successful engines out there that don't use intermediate shafts to accomplish proper operation.
Also, can anyone tell me why there was a need to drive the cams from opposite ends of the engine? Again, it seems unnecessarily overcomplicated.
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