Re: 1951 288 Vacuum Advance Source

Posted by Packard Don On 2022/9/1 18:10:04
Some Ford products only used a vacuum control for the timing and some other manufacturers - early on - used only mechanical control for the timing. Engines used for racing tend to use only distributors with only mechanical control as engine vacuum is low due to valve operation of the competition ground camshafts.

I have a 1940 Packard Autolite distributor that is mechanical-only.

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