well it also means u could be wrong, u could be racin the base model cav but it might look like a z24, they look diffrent, to stomp on a z24 like u said u would have to run low 15's which i highly doubtcause i got another buddy with a 99 z24 with just a intake and full catback and pullys and he gets better times then a stock gst, now are you telling me that you1st gen NT is faster than a gst, now i know u have mods as do most people but exhaust and intake wont give u that thrown back seat action like some ppl think, use ur head man serously, i hate stupid people