well tommy feild supplied and fitted my b2 raychem loom and p8 ecu and waisted spark kit and efi conversion and custom manifold and fitted it its spot on as is the mapping and the fueling andd mine is a 2.1 zvh with 334bhp 298@ the wheels with 398bft
off the biutton and get lots of wheelspin in 4th at 120 im 100% happy