Holly or Thermoquad

Good thing it isn't plastic. And since he has not a VC carb, the choices between the Dp and a T-Q, I'd run the T-Q with the smallish cam.

The resin body is known to crack or wrap. To avoid cracking the fuel bowl, do not over tighten it.
To avoid warping it, tighten it up evenly apon assembly and installation. Also avoid over heating the engine for sure. Excess heat is a bad thing for these carbs.

The term "Thermobog" is so coined by those whom not have an idea on how to tune the carb.