1996 R33 GTS-T
Yes they do. How else are they going to compensate for the variations in fuel pressure when the injectors are on or off? The adjustable part is the ability to set a base pressure to suit your setup. Most fuel injection systems run in the 34-38 psi range.I was told that a rising rate one would be easyer, as they would adjust automatically to suit the current boost.
The nismo ones dont do that do they?