Reply to "Please advise how to pass a Calif. visual inspection & tail pipe emissions test for a grey market 1980 GTS"

punkdogMember

TDC it is. Thanks.
Makes no sense to me but that is also what the manual calls for.
I would think with a lean mixture you would advance timing to give it time to completely burn.
Go figure on this. On the dual diaphragm vacuum advance modual the retard diaphragm is vented to the distributor body. All the vacuum in the world is not going to move the diaphragm so how is that gonna work or, is the diaphragm punctured ?
It's operated by manifold vacuum and the advance is connected to "carb" vacuum.
Any thoughts ?

10/8/188:15 PM

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