need more tire somehow

Daily driver? If not go with the Wheel Vintique 15x8” and 255/60-15 drag radials .
I have that combo on my 69 340 4sp and hook well as long as I don’t drop the clutch at 5000 rpms . 500+ hp and 500 ft-lbs of torque.
And you have more room in your car .

View attachment 1716481803

View attachment 1716481804
Do you know what the backspacing is on you WV 15x8 are?