2550 with drive of doable. I was at 2460 without my fat self in my ZX. I had no bumpers, removed the sound tar, no interior except for a single sparco and no accessories (AC, PS, window squirter, cruise etc). I still had a compete dash in though and was running some 15" wheels with 205/50 tires. Weight went up when I switched to bigger wheels.
Also remember that the ZX gas tank holds 20 gallons of fuel. That's like 80lbs right there. So I do track days at a little under a 1/2 tank.
Gollum, you forgot to mention the entire exhaust system, with the cat and muffler and crap.
Edited by BluDestiny, 19 June 2013 - 06:40 AM.