I used these tires for a few events this year on my '65 coupe. They have a plenty of tread left and don't wear down very fast. I'm sure they have a few track days left in them for next season.
Tires
225/50/15 Avon Tech R-A 2.75/32" (4/32" new) of tread depth remaining
Purchased Spring '07
Wheels
15 x 8 with a 5 on 4.5" bolt circle Cragar steel wheels.
Front and rear backspacing are slightly different.
Front 4.25" backspace Summit # CRR-3425812
Rear: 4.75" backspace Summit # CRR-3425812P
Pick up preferred in 48386 (northwest metro Detroit)