If there's no turbo version of Convertible, I will remove TT from title
1993 300ZX Twin Turbo
0-60 5.2
1/4 Mile (time@speed) 13.8@104
Lateral Acceleration .87
Braking from 60 125
Braking from 80 ----
Top Speed 155
Peak HP(hp/rpm) 300/6400
Peak Torque(torque/rpm) 283/3600
Curb weight 3475
Source Motor Trend 7/93
1990 300ZX Non-Turbo
0-60 7.0
1/4 Mile (time@speed) 15.4@91
Lateral Acceleration .88
Braking from 60 134
Braking from 80 ----
Top Speed ----
Peak HP(hp/rpm) 222/6400
Peak Torque(torque/rpm) 198/4800
Curb weight 3219
Source HR 9/89
These are the specs of coupe so convertible is similar
http://www.zparts.com/showcase/zcarstats/pages/perfz32.htm#16