Just leave this here
Unlike the internet claims RR knows about ALL water injection systems, we do this daily and at the highest levels on all engine types.
We dyno another car yesterday with the good old RRWEP140 mechanical WI system on a 4cyl turbo road car and she did 965bhp as well, but have to leave that for another post, very hard to keep up with them all.
On this particular application, the calibration and figures are lets say...... you wont find it on the internetz :P
100kph to 150kph power band test in 3rd gear listed below = ~1.9 seconds, real road car, no BS excuses