Ah, that's why you have a stumble, you have a 'disturbutator'!
-----Original Message-----
From: Dodd, Kelvin <doddk@mossmotors.com>
To: wizardz <wizardz@amdyne.net>
Cc: mgs@autox.team.net <mgs@autox.team.net>
Date: 09 January 1999 22:27
Subject: RE: Advance timing and stumble
>41491 54425359 10.15.5 6 12@1500 16@1800-2250 32@3600-4050
>39@4800
>
>The above gobble-d-gook (sp) is the factory listing for a 73 BGT.
>
>Dist#, Vac Adv #, Vac Adv characteristics, static and dynamic timing.
>
>This is out of some tome I dug up.
>
>The early cars had a 10 degree mechanical. I'm pretty sure your later car
>should have lots more, but I did not research that. The vac adv
>characteristics you give are also early, suitable for a ported vacuum
>pickup. The 73 uses manifold vacuum. I think you have the wrong
>disturbutator.
>
>Kelvin.
>
>> I think for a ' 73 BGT I should Only have a 10 dgree advance
>> (mechanical limit) plate in the dist. TRUE OR FALSE?
>>
>> QUESTION? Could the light spring, and heavy wieght be
>> adding too much adv at at lower speeds and then too much
>> as well at higher speeds, and this is the reason the vac adv
>> seems to have such a powerful impact on the timing at
>> cruising speeds? (ie stumble at crusie)
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