Thanks Mike, but I am still confused about the 1600 rpm. With the
vacuum advance disconnected and plugged, is there a mechanical advance
that happens between 700 and 1600. In any event, assuming I disconnect
and plug the vacuum advance, do I set 9 degrees BTDC at 700 or 1600 rpm?



Mike Romain wrote:
> The book way is for the computer run carb 258 engine. At 1600 rpm, your
> mechanical timing is full advance and then the computer takes over. I
> believe the distributor vacuum line should be off and plugged too.

snip