Re: Spark advance
Personally with my A timed correctly have been unable to hear knocking/pinging, including full advance on hills, but still retard the lever on hills as a safe guard. Rebuilt motor with standard head, 87 octane ethanol free.
Have wondered if on the standard head it is not as much as a problem since the A was designed in the 20s when octane was lucky to be rated at 50. Now it is 87 or above.
What do you think?
Last edited by 30 Closed Cab PU; 06-04-2020 at 10:42 AM.
Reason: added pinging
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