I think you are just not finding the right sources for racegas in your area. How could a place like Jacksonville FL and vicinity NOT have speed shops, bike shops, tuners ...around here in the Philly area many of those kinds of places sell a variety of racegases.
If you're worried about lead, VP105 is unleaded racegas and has more than enough octane for any boost condition possible with stock twins. Here you can have 105 pumped into your car by the gallon or if you use enough, you can have VP ship a drum to your local shop if you have trouble receiving and storing it at home, then go pick up the drum and take it home; the local speed shop here will even store it for you like your private bottle of wine or liquor at your favorite restaurant and then pump it out for you for a slight storage charge. IMO fear of lead is totally blown out of proportion. I'm sure I've burned way over 100 gal of leaded and my original stock O2 sensor still works within range though it's gotten a little sluggish and will be replaced soon; for my wideband I got the NTK O2 sensor which holds up decently well to leaded.