Closing out the decade, the previously optional
Z52 package was made standard for the 1989 Corvette, with all models now
including its fast-ratio steering, 17-inch wheels and tires (the 16-inch wheels
were dropped entirely), Delco/Bilstein gas-charged shocks, and fortified
front-end structure. The heavy-duty engine oil cooler, heavy-duty radiator, and
auxiliary radiator fan were also now included on cars equipped with the
six-speed gearbox. Also new for 1989 was an optional tire-pressure monitoring
system (actually it was delayed from '87) that could detect a drop of as little
as one psi below the preset limit via a pressure sensor within each wheel; the
sensor was combined with a small radio transmitter that in turn activated a
dashboard light. Also, the new Multec fuel injectors designed for the coming
LT5 ZR-1 powerplant were applied to an otherwise unchanged L98 engine.
 A nostalgic removable hardtop was a new convertible option for the 1989 Corvette. It included an electrically heated rear window and fit earlier rag-roof C4s. |
The
six-speed manual transmission that was new for 1989 -- and available as a
no-cost option -- was designed jointly by Chevrolet and Germany's ZF
(Zandfabrik Friedrichshafen). A computer-aided gear-selection system
automatically forced the driver to bypass second and third gears and lock out
fifth and sixth gears under low-throttle conditions. This feature was designed
to help improve fuel economy, and, once again, keep the car from attaining gas
guzzler status. Annoying to most testers, the transmission's lock-out function
could easily be defeated by "clipping a single red wire," according
to Chevy engineers.
Inside,
both the standard cloth seats and the extra-cost leather-covered sport versions
had been restyled; the latter were restricted to cars with the Z51 option.
Overhead, a bolt-on hardtop was newly available. Made of fiberglass-reinforced
polyester resin over rigid urethane, it was molded around a steel/aluminum
"cage" and coated with polyurethane inside and out. A cloth headliner
and window weather-stripping were included, as well as an electrically heated
rear window (which plugged into a special rear-deck socket). On soft-top
models, the convertible mechanism was simplified for easier operation.
Nineteen
eighty-nine would be the last year for the SCCA's Corvette Challenge, and Chevy
would build 60 cars for the series. Thirty of them would have their stock
engines swapped with higher-output motors from the CPC engine plant in Flint,
Michigan.
Sales
for 1989 would rise for the first time in years, now totaling 26,412, of which
nearly 10,000 were convertibles. The Callaway twin-turbo option, now priced at
$25,895, was ordered for a mere 69 cars.
Learn about other Corvettes in this generation:
Looking for more information on Corvettes and other cars? See:
- Corvettes: Learn about the history behind each model year and see Corvette photographs.
- Corvette Specifications: Get key specifications, engine and transmission types, prices, and production totals.
- Corvette Museum: The National Corvette Museum draws Corvette lovers from all over the world. Learn more about the museum.
- Corvette Pictures: Find pictures of the hottest classic and current-year Corvettes.
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- Consumer Guide Corvette Reviews: Considering a Corvette purchase? See what Consumer Guide has to say.