The Stovebolt Site Forums The Shop Area Engine Shop Timed with Vac, now won't start

Vac gauge for idle mixture screw and curb idle speed is a pretty universally accepted method.

You will get far less consensus on this message board regarding TIMING with a vac gauge. Some like it, some don’t. However, I would say that even those who use vac gauge for timing would say that max vacuum is a reference point, but then you have to back it off “a bit.”

I can’t get your videos to play sound, but if timing was causing a no start, it’s obviously too much. Should be able to hear/ feel it kicking back against the starter if it’s that far advanced.

The ball itself represents 5 degrees BTDC on many of these flywheels, but I can’t say that’s the case for you. My engine likes quite a bit more timing than the 5 degree ball.