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Discussion Starter · #1 ·
How does one go about installing the advancer on the camshaft properly. I remember reading it can be installed 180 degrees out of spec.

I currently have the engine at top LT mark and fit the advancer on with a small vertical notch at the end pointing down (6 oclock).

Is that correct?
 

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Did you disassemble the adv unit?
Tick line on the adv cam end points to the arrow on the plate.

Notch on the back fits in the nub on the camshaft
 

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Discussion Starter · #3 ·
If you look at the pic bottom left, it seems the outside ring is not the same thickness all the way around. Is that normal?
Auto part Bearing
 

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Crash, if you think about what the breaker cam (the part that you're describing the thickness of) on the advancer does, it will make sense. The breaker cam opens the points at the specified time for the spark plugs to spark, and then closes them in time for the coils to build voltage for the next time the plugs are supposed to spark. This explains the high spot most of the way around and the low spot that allows the points to close to let the coils build voltage another spark. what doode was referring to was the breaker cam itself, and if the cam had slipped off the rest of the advancer unit - and if it had when you removed it from the end of the camshaft, then the breaker cam can be put back on the advance in one of two positions and the wrong one makes the timing 180° out.
 

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Discussion Starter · #6 ·
Thanks guys for the explanation. Does this one look better?
Auto part Disc brake Clutch Wheel Vehicle brake
 

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That's correct, you can see the assembly 'cut out' on outer edge of backing plate (next to lower right mounting screw)
 
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