Je Pistons with ceramic coating and Nicasil coating
IE rods with ARP rod bolts
Tial 44mm external WG
150bar fuel rail bronze valve
With the RS4 fuel rail valve the rail pressure was at approx. 140bar which max out the injectors at 1.85bar and after 7200RPM with AFR goes above 12:1
Currently we work at 150bar at the fuel rail keeping 2bar ct boost up to 7000RPM!
2nd 3rd 4th gear @ 1.9bar
The fine tuning will be on dyno in several days!