This has been a topic on Stovebolt for many years. Do a search and you will find allot of info.

Here is a recent one: https://www.stovebolt.com/ubbthread...h-my-distributor-please.html#Post1452547

In the same thread is a explanation by “Hotrod Lincoln” as to why it’s there. https://www.stovebolt.com/ubbthread...h-my-distributor-please.html#Post1452529

Last edited by Phak1; 06/02/2022 6:45 PM.
Phil
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1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube
Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes
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