Richard Taylor wrote:
>
> Amici again,
>
> I apologize for being so slow witted about all this but as I see it the cam
> sprocket is through-bolted to the cam shaft. And there are only two pair of
> bolt holes offering only two chances, each a half a tooth apart, to get it
> right. By reversing the sprocket there are two more shots at it, each a
> quarter tooth apart from the reverse side. This means that there is no
> opportunity for any more accurate adjustment than finding the right bolt
> holes. Hence the closest adjustment one can have is 1/4 of a tooth on the
> cam sprocket.
>
> What I have described here is a synthesized collection of gossip, rumor,
> old manuals and my own low-grade experience. If it is correct (and I have
> no great confidence that it is), I would appreciate any confirmation I can
> get. Besides then I don't have to buy a dial indicator.
>
> Thanks again.
> Richard Taylor
> Atlanta
If the gear is made correctly, you can also switch it front to back and
get a half tooth adjustment.
--
uncle jack the carfrek
TR4 Rallye Replica vintage racer
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