Now? Probably 3100lbs with me in the drivers seat. I weigh about 155.
I took out a loooot of stuff. Changing the factory exhaust to a no-cat 3" straight pipe really saved a ton of weight. I yanked the AC system, the air pump, the clutch fan, cruise, rear wiper, belly pan, all that jazz.
When i first got the 928 i put a timing light on it and advanced the timing about 8-10 degrees and it made a GIGANTIC difference in power. It felt like i put a 50 shot of juice on it. Seriously. My ex-partner had a beautiful white 85 928 at the time, and we were both amazed by the obvious difference in power. My 83 was significantly faster than his 85 US too.
The 4 speed with limited slip REALLY launches hard. I doubt that a 5 speed would get the launch the AT cars do because of the 928 5 speeds wheel hop issues.
I can launch at 2200rpm and it's like the car is fired from a gun. Almost no wheelspin at all on 245/45/16s. 928 4 speeds with the LSD are VISCOUS out of the hole. It pulls 1st to just shy of 60mph, 2nd to just shy of 100mph, and 3rd takes me way, way, way deep into shiit-eating grin territory.
Here is a video of it. In the beginning of the clip i go from about 5mph to about 70mph in 6 seconds of elapsed video time.- in the rain. Definitely a turn up the sound clip. With the 3" off-road Borla XR-1 custom exhaust, it sounds like a no holds barred race car. I friggin love my 928.