IMS timing question

[Homeoboxter]

Originally Posted by maytag

I refrained from replying because I am not a Porsche engine expert. Frankly, I've only ever had the m96 down to its nuthin's once.
But I am somewhat of a very knowledgeable engineer builder in my own right. And based on my expressive, and even more on what I've read, there's really no reason that it should matter.

So I'm voting with you.

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Yeah, it should not matter. My guess is that it`s for the alignment of the three sprockets on the IMS, as they are three individual pieces and the teeth are not in line. It`s confusing, because it really looks like a timing mark. Here`s a picture just for reference.

[maytag]

Originally Posted by Homeoboxter

It`s confusing, because it really looks like a timing mark.

Boy it sure does.
You're likely onto something about it being for assembly onto the shaft. Those sprockets would indeed need to be indexed somehow when they're installed on the shaft.

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