Timing belt ?

[Huw Powell]

> I dont believe so. I believe it is gear driven off the crankshaft. It 
> goes into the block, nto the head.

Actually, it runs off the cam.  It goes into the head.  On the I-5, anyway.

You could run the dizzy off the crankshaft, but then there'd be a wasted 
spark at TDC on the exhaust stroke.  And coil charging time would be 
halved...

>>> I bit of theory here . .is the distributor driven off the camshaft 
>>> also? If yes, how are you getting spark to any cylinder?

>> Yes it is, although with the 5kt cars, once they start, spark is timed
>> by a crank position sensor, for added precision.

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/