RE: FAI fuel
Add Enya engines to the list, my SS30 c/l loves FAI as does my 46-4C in fact when use a synth blended lube my Enya's generaly lose 300 RPM here's a vid of the 46 with one head shim 12x6 mas on FAI...
[youtube]http://www.youtube.com/watch?v=O6q358B260I[/youtube]