1992 Production Corvette
"The Return of the LT-1" Here's the story...
Back in the late '70s, the dog days of performance, who would have thought that the famous LT-1 would make a return? But this wasn't just an expensive, resurrected old performance badge as an option. The new LT1 packed 300 net hp and was standard on every 1992 Corvette!
Except for the rectangular exhaust tips and a few new interior and exterior colors, the 1992 Corvette looks the same as the 1991 Corvette. But under the pretty fiberglass there was plenty of new gear that made the '92 model the best standard Corvette to date. Some said that it was what the '84 model should have been.
Since the first V-8 Corvette in 1955, Corvettes have always been about what's under the hood. The 1970-1/2 LT-1 Corvette had been one of Zora Arkus-Duntov's favorite Corvettes. The high-reving, solid-lifter LT-1 350 engine gave the driver an excellent mix of power, torque, and handling balance. The original LT-1 was rated at 370 "gross" hp. The new LT1, with
its 300 net hp, was probably stronger than the original LT-1. As good as the '91 model was, the '92 was better.
The new LT1 Corvette could do 0-60 mph in just five seconds, the quarter-mile in 13.6 seconds at 104 mph and had a top speed of 161 mph! Building a production performance car is difficult, but in addition to some new electronics, there were a few basic hot rod tricks at play here. Everything from intake to exhaust was overhauled. A new Rochester multi-port injection system was built with the latest computer-controlled ignition system.
The ports in the cylinder heads were opened up to better use the new 10.5:1 compression ratio and cast iron exhaust manifolds connected with a new, dual catalytic converter exhaust system. A new cooling system flowed coolant to the heads first and the use of synthetic oil eliminated the need for an oil cooler. The net result was an increase of 50 hp!
The new standard ASR (Acceleration Slip Regulation) feature controlled both traction control and ABS breaking systems. For enthusiasts, this feature had an "off" switch on the dash. The new Goodyear GS-C tires were directional for each side of the car with an asymmetric tread pattern that replaced the "Gatorback" design.
The only complaints came from ZR-1 owners because the new stock Corvette was only a few ticks slower than the ZR-1. For all of the extra hardware, the '92 model was up only $1,180 from the '91 car, making it a genuine performance bargain.
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