Quote:
Originally Posted by Singleton
The problem with these is that the 987G (and the Mercedes key) is a 2 degree offset cam key, which moves the degree wheel on the crank 4 degrees. (the 988G moves it a whopping 8 degrees).
So if looking for fine adjustment changes while degreeing the cam, (less then 3 degrees), these offset keys are lacking. The discontinued Mopar set had a 1 degree offset key that would allow for a 2 degree change.
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I. Bought the Mr Gasket set assuming I could, if need be use them along with the 9 keyway crank socket to dial in the degree. . adv. or ret. The cam using the lower gear, and use the offset key to work the other way depending on how it turns out. Just because the keyway says its 6* it may work out to 5 * or 7*. Luckily mine came out close enough using just the bottom sprocket.