cossieinfo

i am having a problem starting my cosworth,ihave spark,injectors are pulsing,but there doesnt seem to be enough fuel coming out,barely a teaspoon for 6 pulses,ecu doesnt seem to be earthing them properly,was having this problem with l8 ecu siemens 83lbs,switched back to l6 and 55lbs still same problem,checked all sensors and wiring,everything seems fine,have tried three different crank sensors and cts sensors still no change,there is 12v at injectors ignition on,down to 10.5 when cranking,i have 3bar fuel pressure,have spent about 60 hours trying to find problem over last few months, any suggestions welcome