1966 gto

[frisky]

just got 66 gto tri pwr. filled tank with 94
octane sunoco gas and 6 oz of max 2000 oct.
booster. now its missing, stalling and running badly. any ideas on what to do?

[frisky]

just got 66 gto tri pwr. filled tank with 94
octane sunoco gas and 6 oz of max 2000 oct.
booster. now its missing, stalling and running badly. any ideas on what to do?

[6567GTO]

How long after adding the gas did it start? You may have to drain the tank and change the fuel filter. Add some dry gas to the next load of gas and don't get it from the same place.