I'm having the same issue, cam only (MS4) with bolt ons it makes 396 rwhp n/a but on the nx 150 it only makes 494/528. The tq is there but I was thinking it would make closer to 550 hp.
__________________ 2002 Trans Am
PRC 215 heads 59cc/MS4/FAST 92/92/shit-ass longtubes/NX 150 shot/GMMG
1997 Grand Prix GTP
Bolt ons. |