Ive got a 04 SS 5.7 Commodore 6 speed manual.

Can you run straight avgas in a injected motor? And if you cant what can you use?

When we used to do alot of racing and with older cars you dont have to worry too much about fuel, it was just advance the timing a bit and maybe a jet change but that was rare.

Some sites say it has lead in it and if it has I cant use it in my car.

Any help out there, anyone a fuel specalist?