Originally Posted by Rusty

Stock and will mods, but no tune. The Z does run rich. The tune will lean it out. Avg HP and torque with no tune Nismo's are around 279 Hp and 240 ftlbs. With mods and no tunes. 310 and 260 ftlbs avg. Full bolt on with LTH's will get you into the 330's and high 260's and low 270's in torque. Add ported intakes and larger throttle bodies will get you into the high 330's and low 340's. Add exhaust cam, you're in the 340's.