Waaay to many long posts to read.
With the nistune and bigger injectors. Nistunes dont seem to recalculate the cranking tables when doing a injector resize. Sir rb's car was my first nistune and from his hot start issues and an rb20 i did last week i noticed they both required a fair bit of fuel to be removed on hit start.
Hanaldo. Drop the numbers from 35 or what ever it was down atleast 5-10 and try. Rememer to write to ecu after changine the settings and try.turn it off straight away. Rinse lather repeat