His tune has been checked time and time again by DCScotty and Billc. I don't think the tune is an issue, but it's worth looking at again. I told him it may be a mechanical timing issue, since his distributor needs to be fully advanced to hit 15* of ignition timing.
There are a few things I want to look at when I get up there, and I hope we can hammer out his issues in a couple weekends.
We're making progress though, and that's a good thing.