Whats up!! Im little confused with the obds on my project! lol okk

2000 si head
hi comp supertech valves
blox springs and reteiners
blox stage 2 cams
1997 ls block
eagle rods
je pistons (12.5)
new bearings and rings

misc
skunk2 mani
dc headers
fuel pressure regulator
stage 2 clutch
12 flywheel

i have to do the break in now. Ok my question is :s the motor is runnin with a p75 ecu (ls obd1) ls dizzy and ls harness, now i want to get a vtec dizzy, does anyone know if an obd1 dizzy will bolt with nomodifications in an obd2 b16 head? Or i should get the right dizzy for that head and get the conversion wires for the dizzy? I want to run obd1 ecu, i have to tune it later on with a p28 maybe? Thanks for the help!! Any advicee any experiencee?