I just recently purchased a 1969 383 roadrunner this is a. Correct car what I was wondering is should I be adding any type of fuel additive lead additive or anything to the gas considering that everything is unleaded any advice would be greatly appreciated

Rod -

Welcome.
Honestly, no.
Fact is, today's fuels are way better than they were when that car was built.
Just use an appropriate octane for the motor's compression.

Archer