Well I don't know the Stovebolt as well as I know the Nova Six, but here is what the DeuceCoupe Gonkulator says about your build, I am assuming stock head and 6.6cr but here is the cam effect. In each case I "installed" the cam 4 advanced ie 106 intake and 114 exhaust centers:
210-220-110
Torq 215 at 2000
Finally, I tried smaller still - the Gonkulator really does NOT like a split pattern, though this assumes open exhaust:
210-220-110 base case
Torq 215 at 2000
Torq 247 at 3000
Powr 172 at 4500
200-220-110
Torq 222 at 2000 +7
Torq 249 at 2900 +2
Powr 167 at 4400 -5
200-200-110
Torq 228 at 2999 +13
Torq 254 at 2800 +7
Powr 173 at 4300 +1
The split duration thing is kinda tricky - in general, single pattern is often best UNLESS - the exhaust ports are crummy and the pipes/mufflers are too small. But both of those are common conditions so sometimes it works.
If it was me, for your use, I'd go for the 200-200-110 if you can get that ground that way. Caveat, the Gonkulator is not as well wrung out on this engine as on the Nova Six so Just One More Opinion, hope it helps.
