Like mopowers said;
your Mabco block,
Your S master heads,
A small cam, ( smaller than factory 340 #’s),
Small 4 b,
Heck, even manifolds will work!
You will be able to fry the tires at the light with what you have.
Even a 360 2bl cam will accept a small 4 bl or a sb tq and not lose bottom end...