just a quick one.. not long had the car running and just checking my fuel pressure.my turbosmart fuel reg has a gauge so easy enough to do. now my query is my injectors are 470cc at 3 bar pressure..is that pressure at idle?

 

I think 470cc would be there maximum fuel delivery rating at 3bar fuel pressure.
Idle fuel pressure and max flow are two different things .

 

thanks for the reply will investigate further

 

Have a read up on Stu,s tech fuel pressure discussions pdf format.Its a good read for understanding fuel pressure regulators job.