220rwkw = is ~286kw (engine)
286kw = is ~383hp (engine)
The Bosch 040 is rated at 520hp (388kw), thats engine power. The figures below are from this thread
*GTST pump is 135 litres per hour and supports 300 bhp at standard pressure
*GTR pump is 190 litres per hour and supports 420 bhp at standard pressure
*Bosch 910 pump is 200 litres per hour and supports 450 bhp at 73.5 PSI # 0 580 254 910
*Bosch 975 pump is 228 litres per hour and supports 500 bhp at 73.5 PSI # 0 580 254 975
*Bosch 984 pump is 228 litres per hour and supports 500 bhp at 73.5 PSI # 0 580 254 984
*Bosch 044 pump is 330 litres per hour and supports 730 bhp at 73.5 PSI # 0 580 254 044
*Bosch 040 pump is 235 litres per hour and supports 520 bhp at 73.5 PSI # 0 580 254 040
I wish I could find these figures on the Bosch website because last time I was at UAS John looked up a fuel pump guide and the figures were slightly different.
I'm using the 040 and have no problems with it, only running ~186rwkw tho (was 203rwkw on the Unigroup Dyno).