Re: [T3] Carb timing (was:my petronics is dead)

["Steven Ayres" <comwest@att.net>]

<x-charset iso-8859-1>NeilV=> if anybody knows the actual setting
=> for a vacuum-only advance dizzy on a carb engine.

Since distributors tend to move from car to car, I would advise checking the
total advance on the unit you're using. It's possible that it's advancing
too far, causing detonation at full advance even though you've retarded it
significantly at idle. (And you're only pulling vacuum from one carb,
right?)

For sea-level driving with 92 octane fuel I'd aim for 7.5 degrees advance at
idle and around 30 degrees max advance.

Steven Ayres, Prescott AZ
'66 Big Ghia

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