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While never offered to the
public, a total of 43 - 1983 model Corvettes were built.
There were so many quality problems with them it was decided
to halt production until they could be corrected. By the
time the problems were corrected, it was so late into the
model year that the car was brought out as a 1984 model and
was run for a year and a half. The only verifiable 1983
Corvette still known to exist is on display in the National
Corvette Museum in Bowling Green, Kentucky.
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The 1984 Corvette had the
steepest windshield rake angle of any previous American
production automobile at 64 degrees.
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A single transverse plastic front
and rear spring first made it's appearance on the 1984
Corvette.
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The L98 engine made its debut in
1985 offering a horsepower increase from 205 to 230 plus a
gain in fuel enconomy due in part to new Bosch fuel
injection with tuned runners.
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With the CB craze dwindling, the
last year a CB radio was offered as a Corvette option was
1985. Only 16 Corvettes were so equipped.
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All 1986 convertibles were
Indianapolis Pace Car replicas and came with a pace car
decal package (to be installed at the buyer's option), but
none had special paint or options. The actual Indy Pace Car
used at the 1986 race was yellow in color.
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Twenty 1986 Corvettes were sent
to Lotus in England to be converted into LT5 powered
prototypes for the ZR1 project.
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In 1986, Corvette offered the
"Malcolm Konner Commemorative Edition" with two
transmissions. A manual 4-speed and an automatic. Only 20
4-speed manual transmissions were installed at the factory.
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In 1987 you could buy a Corvette
without an engine installed by the factory.
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RPO B2K made it's first
appearance on the option list in 1987, affording the
opportunity for 184 lucky buyers to place orders for a
Callaway Twin-Turbo Corvette through participating Chevrolet
dealers at $19,995 each (plus $20,007 for the Coupe base
price).
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A total of 16 exterior colors
were available for both 1982 and 1987 Corvettes, the highest
number of exterior color choices offered in Corvette
history.
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To mark its 35th anniversary, a
1988 special anniversary edition was available with white
paint, wheels, leather interior and special emblems. All
2,050 35th Anniversary Editions were built as coupes.
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A total of 56 street-legal but
race prepared 1988 Corvettes were built for the SCCA
Corvette Challenge Series.
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In 1988, Corvette started using a
unidirectional 17" wheel.
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Approximately 80 ZR-1 cars were
built in 1989, but none were sold to the public. The last of
these ZR1s were shipped out of the factory on Dec. 22, 1988
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The FX3 adjustable suspension
option, permitting shock valving changes via a rotary dial
mounted on the interior console between the seats, was first
introduced in 1989.
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The long awaited, high
performance ZR-1 option package was finally publicly
available in 1990. It included special rear body panels and
an all aluminum small block designated the LT5, producing
375 hp.
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All LT-5 engines for the
production ZR-1 option were built by Mercury Marine in
Stillwater, Oklahoma.
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The last year for the Callaway
twin turbo option was 1991, selling 62 units at $33,000
each. In comparison, the ZR-1 option was a bargain at "only"
$31,683.
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1991 was the 10th anniversary of
Corvette production at the Bowling Green, KY plant.
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July 2nd, 1992 marks the day when
the one millionth Corvette, a white convertible, rolled off
the assembly line.
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1992 saw the rebirth of the
legendary LT1 small block engine as a 300 hp motor with
reverse flow cooling and two valves per cylinder.
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A special 40th anniversary model
was released for 1993 with one year only Ruby Red exterior
and interior colors.
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The ZR-1 horsepower rating rose
to 405 hp for 1993, but the option cost was held to 1992's
$31,683.
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The end of the 4th generation
Corvette was marked with two special editions... a
"Collector Edition" in Sebring Silver trim and a "Grand
Sport" in Admiral Blue with Actic White racing stripe. A
total of 1,000 Grand Sports were built and of these, only
190 were convertibles. Collector Editions comprised 25% of
total production with 5,412 units built.
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For 1996, LT1 engines required
automatic transmissions. The ZF 6-speed was mandatory with
the 330 HP LT4 engine option.
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The 1996 LT4 exhaust system
differs from the LT1 system in that it incorporates a
balance tube designed to reduce vibration and noise levels.
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In early production 1996 Grand
Sports models, there is a small area behind the hatch roof
and in front of the panel that attaches to the rear window
that is taped, not painted. The tape is 1 inch long and
about 18 inches wide whose purpose was to eliminate a
problem area in the paint booth during manufacturing.
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Besides the 1990-1995 ZR-1, the
1996 Grand Sport was the only Corvette ever built with a
unique Vehicle Identification Number (VIN) sequence,
separate from all other regular production Corvettes of that
year.
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The 1996 Grand Sport is readily
identified by it's striking Admiral Blue and Arctic White
stripe paint scheme. What many do not know, however, is that
the pinstriping on either side of the large white center
stripe, is actually a two-color decal, both blue and white.
This was done to ensure a perfectly straight line.
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Only 53 1996 Grand Sport
Convertibles were built with the Red/Black interior option.