Glen,
Yes...that is the number.
Interesting. I just read a comparison (published by Moss Distributing
in a
recent flyer) between Crane/Allison optical and Pertronix Hall effect
ignition upgrades. There are many Benefits v. Drawbacks, but pertinant to
this discussion is : Crane "Benefits... not sensitive to shaft or bushing
wear" Pertronix "... Drawbacks... Air gap is critical, badly worn shaft
and bushings can be a problem."
But, I don't know if your RPM dependent miss is caused by the play you
have. (yours is a Pertronix, if memory serves)
Peter
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At 10:14 PM 4/27/2000 , Glen Byrns wrote:
>Sorry to blast the list, but I don't have your address on the home PC.
>Home now, with a brighter flashlight, I can see in addition to "23D4", there
>is the number "40819 H" stamped on a flat spot on the dizzy side. Is that
>the correct number?
>I checked the play in an extra vacuum dizzy in the parts box and the one on
>the car has much more play. My question at this point is, with elec. ign,
>is this play likely to be the source of the rpm-dependent fluctuation or
>should I be looking at other factors as well?
>
>Many thanks,
>Regards,
>Glen Byrns
>'59 Bugeye
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