all you need now is,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,to be VERY precise in your end results,, all 4 sync gauges exactly calibrated, and read exactly the same on all carbs,, do the same no matter what parts your working on, as close as your eyes can see anyhow
if your chasing 8 1/2 degrees BTDC on your timing plate,, don't settle for 8 1/4
be anal about the results,,, you'll feel the difference,, it might take a bit longer,, BUT