race fuel?

[obile]

07 apex with mpi s/c at 10 lbs of boost. running 6 to 8000 feet elevation. talked to some say that they run on premium pump gas others say no way 50/50 race fuel and premium. anybody got a difinitive answer on this subject. mpi advertizes running on pump fuel then talk to them and one says race and pump and another says premium's ok. confused! i know there is more guys runnin this set up and im brand new to 4 stroke so i would just like some help.

 

[snoboner]

Jump over to the Turbo/Supercharger section. There's a ton of info and opinions over there to satisfy your curiosity. Welcome to the boosted side