It should be, unless you are spinning it past 6000 RPM. We don't go 250 laps anymore (usually) and generally most guys have enough to finish standard formats. That is based on 305-350 CID engines, if you're running bigger, there's pounds/gallons per hour claculators online. use 3500 RPM as a baseline and 9-11:1 A/F ratio. That way you will never run out.

Thanks for the advice, I really appreciate it. I have a nice 20 gallon fuel cell from a 4 cylinder, that's why I was wondering. It will be a 350 with a turbo 350 & 343 gears. Any other advice for a rookie would be appreciated too! (I have some 4 cylinder experience)

Any other advice for a rookie would be appreciated too! (I have some 4 cylinder experience)

Don't crash.

Stay to the bottom, no sudden lane changes.