Bob,
re:
> OK, how do you make sure that the vacuum and centrifugal advance are working
> correctly?
Get an advance meter (a timing light with the ability to dial-in any advance
value).
Then check total advance against the book (there might be some intermediate
values you can check but I'm too lazy to go get the shop manual ;). Sears has
an advance meter for about $60--a good investment--but be careful if you have
a positive ground car and the meter case is metal; the case will be hot.
re:
Also, how much "play" is acceptable in a distributor drive shaft?
If you have points and the dwell angle moves more than a degree or two when you
vary engine speeds then you have too much play in the dist. shaft. Electronic
(e.g. Pertronix) ignitions can compensate for this somewhat.
bs
***************************************************************
Bob Spidell San Jose, CA bspidell@comcast.net
'67 Austin-Healey 3000 '56 Austin-Healey 100M
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Subject: Re: advance ignition timing 3000 MK1
> OK, how do you make sure that the vacuum and centrifugal advance are working
> correctly? Also, how much "play" is acceptable in a distributor drive shaft?
> These are questions that have been on my mind a while?
>
> Bob Johnson
> BJ8
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