What would YOU do with a slant six?

Intake: Clifford or Offy 4bbl intake. (Better/cheaper than Hyper-Pac for street)
Carb: Edel 500 or Holley 390
Head: Shave up to .100 for compression.
SSI slant six oversize valves Intake 1.70" Exhaust 1.44"
Valve spring P4120249 Retainer P4452033
Valve stem keepers stock slant
Cam: Your choice.Hop it up but dont go to crazy.
Headers: Clifford shorties
Rear gear: 3.23 or 3.55 any taller sucks on the highway.

Good luck.