X2 They normally fuel fine under the fuel cut boost level. Its when you start pushing 1 bar + problems can occur (using FCD setup) Wideband is highly recommended though
Turn it down to around 2.5 bar which is just above standard pressure. But getting a wideband kit is highly recommended, then you'll know exactly how your car is fueling rather than guessing.
Just stumbled across this insanely clean two tone MK1 on this site. Probably one of only a handful left in this condition. http://www.goo-net-exchange.com/usedcars/TOYOTA/STARLET/700100180330140404002/index.html Price is a bit, ehhh strong.