If you want to drag race the car, get a set of tires for that purpose.
That way you are fast on the track, and safe on the street.
15" tires are nice if you want to get a set on
Vintage Cobra wheels.
I run the Mickey Thompson Sportsman S/T tires for the last 2 seasons.
Can't rave evough about them for street tires.
Les Bayles (aka Kobrabytes) has a set on his high-hp Kirkham and raves as well.
He even went on the track at Miller Motorsports and went as fast in the corners as anyone.
Here they are on my car:
Terry Stapley has Vintage 15" rims and Mickey Thompson S/R tires and likes them on his 418 ci Shell Valley:
Choices, choices....