[6pack] Timing Replies - thank you

[shawn loseke]

Unless you changed to a distributor with vacuum advance, you shouldn't
have it on a '75. If you only have the one vacuum module, and it is on
the rearward side (closest to the firewall) then you have a vacuum
retard unit. Advance would all be by centrifugal means. The retard
module could also be worn out and not providing any retard. Not a
totally detrimental loss.

Shawn

On Mon, Oct 4, 2010 at 6:28 PM, Bill Wellbaum <wcwellbaum at cox.net> wrote:
> I've discovered that at 12 Degrees BTDC my '75 runs as well with the vacuum
> advance disconnected as it does connected.  We're not talking about high
> speed work, here, just normal driving around town.  How could this be?
>
> Bill Wellbaum
> ----- Original Message ----- From: "robert fabie" <bobfabie at gmail.com>
> To: <6pack at autox.team.net>
> Sent: Monday, October 04, 2010 3:25 PM
> Subject: [6pack] Timing Replies - thank you
>
>
>> Friends,
>> Thanks to all who responded to my question about the correct timing. Your
>> collective wisdom is much appreciated. What worked very well for me was to
>> set the idle at 850 and set the timing to 12 degrees before TDC. With my
>> vacuum permanently blocked, the car runs exceptionally well. That whole
>> retard/advance discussion just evaded me for a while. Thanks again.
>> Bob
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>>
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