Quote:
Originally Posted by v2rocket_aka944
The offset keys are an OE Mercedes Benz part so they aren't likely to fail on you.
You can get them from 928motorsports.com
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While the offset key sold by 928motorsports has the same specs as a Mercedes, the offset key I got from them was decidedly NOT a Mercedes branded part. It was a machined part patterned either off the 928 key or a Mercedes key.
As received, it was not dimensionally correct and did not fit into the keyway properly (I did let them know about the issue). I carefully and minimally filed the key to fit into the keyway.
It has performed without issue and the engine feels a bit stronger on the bottom end. Four degrees of cam advance (especially without the use of a degree wheel) won't make a huge difference, but every little bit helps IMHO.
If you know a machinist, or have access to a mill, you can easily make the appropriate offset key. I think 4 degrees is the limit as the offset is about 50% of the key.
