One thing you may want to do is check the gap at the pickup also. As far as setting the gap on the plugs, I opened mine up to around 35. Timing was bumped up, like Dave says, to get the total advance up there a bit. I believe I'm running around 14 degrees static.
1972 124 Spider (Don)
1971 124 Spider (Juan)
1986 Bertone X19 (Blue)
1978 124 Spider Lemons racer
1974 X19 SCCA racer (Paul)
2012 500 Prima Edizione #19 (Mini Rossa)
Ever changing count of parts cars....It's a disease!