After many labour hours, it works, it seems to works well, so the engine :
1974, B20 Engine, 8 bolt crank
B21A flat piston : 2130cc.
Stage 5 KGtriming Head, KG5 (320Â°) camshaft
Rsport Exhaust Header, B20F intake for the momment, going to itb or Weber as ITB (for the look)
Volvo 850T5 Tps, Injectors, fuel Rail, FPR
Ford EDIS-4 Ignition + MS2Extra v3.57
JAW Large Band O2 Sensor.
I will add my fuel/spark table when it will be fine tuned.
Feel free to ask any questions