Prefer the F type really, otherwise Id go straight to a Winters quickchange for 2 ratios street & strip.
There is definitely some serious stuff out there!
From the info you state, I reckon you will be getting over 200hp without a sweat.
Especially considering I know of a 40+ year old Datsun Fairlady with 8 valve U20
making 243hp at 7500 / 191 ft lb at 5500 using 48mm webers, wet sump, dizzie and
all internals are from the same era with no exotic materials.
Some interesting data for comparison (All 2 litre engines, 1 and 3 w/ 48mm webers)
Nissan L20B - 225hp @ 6500 rpm; 194ft lb @ 5250 rpm (built for torque - rally 1600)
Datsun U20 - 243 HP @ 7500 rpm; 191 ft lb @ 5500 rpm (big midrange - Fairlady)
Honda F20C - 240 HP @ 8,300 rpm; 153 ft lb @ 7,500 rpm (factory S2000)
Your rods and pistons will be lighter and the stroke is superior to the above
which should create very fast burn for lean mixtures suited for EFI.