Quote:
Originally Posted by Bored&Stroked
Something very important to know: The end of the cam has a SLOT in it that the tang on the distributor slides into. The slot/tang are offset from the centerline only 1/16 of an inch.
The reason it is offset is so that the distributor drive is always mounted in the same way - you can take the distributor on/off and not influence the timing. BUT, it is very easy to have the distributor rotated 180 degrees OFF from where it should be - then you think it is close to fitting (so you force it on) and you try to somehow get the bolts back in their holes. Make sure the orientation is correct - or you'll ruin the distributor and the engine will not run.
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The difference in SLOT ALIGNMENT that Dale speaks of can be seen below. It helps to re-install if you reference the direction the rotor is pointing when distributor is removed. Coop/AMERICAN
TOP Picture Shows PROPER Alignment!
BOTTOM Pic Shows 180º Out of Alignment!
