The '83 280ZX is actually not that light of a car. Not anywhere near as light as the preceding Z models; they tried to make it more of a luxury car by the '80s and added a ton of weight. I think my '79 Z was about 3000lb. My buddy has an '83 turbo and I think he said it has 180hp. I drove it before and it was pretty slow. I'd guess high 15s.
The Grand National was the fastest American production car of '87. I think they had almost 400lb-ft of torque, so if you saw one run that slow in the 1/4 it was either hurting or a Regal non T-type.
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Strike down the unroadworthy!
2000 GT Atl. Blue: '03 Cobra motor - 465rwhp/473rwtq, T-56 6-speed, full MM TA/PH & tubular K-member suspension, Saleen body, 17" Torq-Thrust II's, M/T ET Street radials, and lots more
'94 Rio Red Cobra: All the bolt-ons, 3.73s
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