318 Idle Questions

videoword said

I think this is what I'm going to have to do for now. It's weird because when it is at 1600 and idling with the vac advance, the mark is visible around 10-15. If I rev it, it does get to what looks to be 30ish. Which seems accurate? Or with the vac advance should it be significantly more?

Is there an easy way to find TDC without turning the actual crank with a socket? Can it be done by turning the engine by key?

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If you have a standard fan you can usually turn the engine with it by pressing on the belt at the same time to get it to grab the pully better.
Other than that, you can bump it a little at a time by jumping the relay while you have a finger on the plug hole (or do what I do and stick a peice of rag in the hole.)
When it pops the rag out you are getting close to TDC.

So far what you are seeing on the timing light sounds pretty normal.
Are you sure this carb is ok, and that there is no intake leaks?