Saw this before and after swapping the spill valve, the HPFP, the relief valve and seals on the injectors with no effect it ended up being the fuel pressure sensor at the end of the rail. Might want to give that a try.
This is 400/400 (vdyno) on a BNRs3 on E30 at 23.5psi.
450lbs ( 2 people in the car ) and 25.71 tire size.
If i recall right, the car made about 393/398 on a dynojet.
Hi there. I've been creeping on "other forums" for at least 2-3 years. Time to join in on the fun.
Have a white 2013 MS3 and i occasionally tune other people's cars. :D