You'd probably be ok with stock front disc and upgraded pads..... this works fine most of the time for what you're
thinking about doing with the car. I consider the front 65/66 rotors to be marginal for track use because they do
not afford much of a "heat sink" when converting kinetic energy into heat energy and dissipating that energy.
If you do a lot of track, you'll want something with a big bigger rotor and caliper. I have the old B302 Trans Am
setup on both of my cars. They are 11.5" and intended to stop a 4800# Galaxie. I ran lots of open track days,
without even needing a race pad. They fit inside a lot of 15" rims. And you are less likely to need rear disc.
Street or Track has a modern day version too.
ex-Global West GM
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