pissant - fuel preferablility is more a personal decision than anything else. also matters if u plan to race or bash, finally, doesn't really matter what buggy u have as much as what engine u have. what mill are u using, and do u race, or just bash?
u can run any fuel u want thats a nice name brand in that engine. its just a sports engine. see what they have at your local hobby shop, but odonnell 20% is good, as is blue thunder. just make sure it has an oil content above 16% in it.