15's are period correct ( what I have )
17's are not
15's have limited selection of high performance tires
17's are not
I have 15's but wish for a better selection of tires. Most are running BFG which are S rated ( 112 mph ) which is a joke for these cars. The best high performace tires I could find are Pirelli's in the front and Nitto Drag radials in the back.
JQ