[s-cars] No Start ABY/AAN engine - Problem Found?
audi at humanspeakers.com
Sat Oct 2 15:22:56 PDT 2010
> Second, you do not want the pins on the cam. The timing belt has slop
> and the valve springs cause the cam to bounce back and forth in this
> slop. This will cause an ignition timing variance. Because it's on
> the cam that variance will be doubled. You do not want your ignition
> timing bouncing around +\- 10 degrees ;-).
So how come cam-driven distributor spark control systems don't seem to
Not saying they are rock-solid, but they sure don't bounce around that much.
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