Union 76 Racing Gasoline
General
In those days, I could buy Sunoco pump-grade gas at around 100+ octane and I believe the Union 76 racing gas was around 108-110. The Charger ran good on the Sunoco 260 (as it was called then), so any better performance on the racing gas was probably just my imagination. Sunoco had pumps back then which you could dial up your own blend of fuel (from Sunoco 190 on the low side to Sunoco 260 on the high side). I was still living in SW Georgia then and could only find the Sunoco stations in Florida. And Robbie, no one ever told me if the racing gas at the endurance races was the same octane as the racing gas at NASCAR races.........I just always assumed it was............maybe someone can give us the answer to that one.