1: 1973 to 1983]
Generation" C/Ks entered 1989 as the best-sellers
in GM’s lineup. Numerous changes were seen. Regular-cabs and Extended-Cabs
had a new 4x4 sport graphic option. Complementing the Sportside 4x4 was
a new Fleetside Sport with a 6.5-foot box. It was an interim '89. The
4x4 Sports featured blackout wheel flares, bumpers, mirrors, a front
air dam and tow hooks.
changes took place in the brake system. The parking brake cable was
protected by revised routing and a new shield. To cut noise, a molded,
semi-metallic brake lining was used. A new 28MT starter motor and revised
engine dipstick lettering were used on 6.2-liter diesel engine-equipped
A new Borg-Warner
1370 transfer case with electrically actuated synchronizer was offered
for dual rear wheel K3500s, allowing dual rear wheels to be ordered
on 1-ton R/Vs and Chassis-Cab models. This increased GVWRs. Chevrolet
calendar-year sales of new pickups totaled 521,358 C/K models.
the 454SS was a new high-performance C1500 regular-cab 4x2. Its content
included a potent 7.4-liter EFI V8, three-speed automatic, performance
handling package and 3.73:1 axle. The 454SS delivered 230 hp at 3600
rpm and 385 lb.-ft. of torque at 1600 rpm. Also standard were a heavy-duty
radiator, engine oil and transmission oil coolers and a locking rear
differential. It came with bucket seats, a console, a Sport appearance
package, air conditioning, AM/FM stereo with cassette, a sliding window,
a tilt steering wheel, power door locks and windows, electronic speed
control and auxiliary lighting.
new 1990 model was the C/K1500 Work Truck. It represented a no-frills
workhorse. The WT was available only in standard Cheyenne trim, but
with a new grille. It included a body-color filler panel, charcoal
bumper and WT I.D. Available in either 4x2 or 4x4 form, the WT
carried a GVWR of 5,600 lbs. The maximum payloads of 4x2 and 4x4 versions
was 1,711-lbs. and 1,331-lbs.
for 1990 included two V6s, three gas V8s and two diesel V-8s, depending
on the model. A new heavy-duty version of the 4.3-liter EFI V6 was
standard in C/K2500s and a credit option on C/K3500s. The 5.0-liter
and 5.7-liter EFI V8s continued from 1989. The 7.4-liter V-8 featured
new electronic spark control to fight spark knocks. Standard and heavy-duty
6.2-liter diesel V8s returned with revised ratings, due to a new system,
though output was the same.
pickup shattered a 37-year-old record at the Indianapolis Motor Speedway
on Oct. 26-27, 1989 by averaging 103.463 mph for 24 hours to win the
Hulman Indy Challenge Trophy. The C1500 Sport covered 993.234 laps
or 2,483.085 miles around the 2.5-mile track, including pit stops.
no major changes in 1991 Chevy’s full-size pickups.
Significant technical advances ensured their continued sales competitiveness.
The 7.4-liter "Mark
V" V8 had a new one-piece intake manifold with a relocated throttle-body
injector, eliminating the previous TBI mounting adapters. Also new were
improved piston-to-cylinder tolerances, improved pan gaskets to eliminate
oil leaks, rigid cast iron rocker covers and oil cooler lines with improved
4L80-E heavy-duty electronic control four-speed automatic overdrive
transmission was available for all models rated at or above 8,600-pound
GVWRs. It had enhanced shifting precision and smoothness.
A new TBI
system was used on the 4.3-liter V6 and 5.0-, 5.7-l and 7.4-liter
V8s. It had longer throttle shaft bearings, new return springs and
improved fuel mixtures. The 4.3-liter V6 was improved by the use of
a revised air cleaner system and processing changes in manufacturing
spark plugs. Both the 5.0-liter and 5.7-liter V8s were upgraded with
heavy-duty intake valves, powdered metal camshaft sprockets and improved
oil pan baffling on the heavy-duty 5.7-liter V8.
Work Truck included a new 4-spoke steering wheel and larger outside
mirrors. Below-eye-line exterior mirrors became standard on all C/Ks.
The standard AM/FM stereo radios were improved with more signal sensitivity
and less interference and signal tracking. Air conditioning for C/Ks
option included a Sport steering wheel, black moldings, power locks
and windows, tilt steering, cruise, Sport Handling, analog gauges,
a tach, a 7.4-liter EFI V8 and a four-speed overdrive automatic transmission.
1992 C/K3500 Crew-Cab was the last Chevy pickup to use the styling
first seen in 1988. The all-new Crew-Cab had a four-inch longer wheelbase,
seven inches more rear-seat legroom and more front leg and shoulder room.
It got antilock brakes. Standard engine was a 5.7-liter V8 linked to
a five-speed heavy-duty manual transmission with "deep low" and
the 4.3-liter Vortec V6 got a new balance shaft, revised heads, TBI
revisions, a new quiet fan, a new thermostat, a revised oil filter
and a new dual-stud air cleaner. Both the 5.0- and 5.7-liter V-8s were
improved in the same areas. The 5.0-liter had new low-tension piston
pins. A modified version of the 5.7-liter V8 could be converted to
CNG, propane or dual-fuel capability.
A new 1500
regular-cab Sportside Sport included Silverado trim, Sport decals,
a body-color Dura-Grille, a Sportside box, cast aluminum wheels, painted
mirrors and color-keyed bumpers. All trucks had a new "Leading
coating applied to the hood, roof and A-pillars. The hot 454SS was offered
New in 1994
was the Sportside Sport with a "step-side" short-box
design. It came in just three colors: Oynx Black, Teal Green Metallic
or Victory Red and included matching bumpers and mirrors, a new grille
and aluminum wheel finish.
1994, Chevy settled a controversy over older C/K pickup trucks with
the U.S. Government. The government dropped its efforts to force a
recall of older C/Ks in exchange for a multi-million dollar commitment,
from GM, towards future auto safety. There were virtually no changes
in '95 Chevy pickups.
had their best sales year ever in 1996 with 1,496,624 units delivered.
The V6 and V8 engines were improved with Vortec technology for greater
fuel economy, added performance and longer maintenance intervals. Spark
plug life and coolant life were extended to 100,000 miles. The Vortec
5700 V8 that was standard or optional on full-size models gained 50
hp over the 5.7-liter.
standard Daytime Running Lamps, a new clutch, a new electrochromatic
mirror for automatic glare reduction and a new electronic transfer
case on K1500/K2500s for improved traction and noise. Extended Cabs
and Crew Cabs were fitted with an extra set of heat ducts for rear
At the Chicago
Auto Show, full-size Chevys took four awards. Consumers
them a "Best Buy" in pickups. Popular Mechanics picked
Easy Access third-door for its Design & Engineering Award. Popular
the Easy Access System with a "100 Best of What’s New" award. Consumer
Review gave the new C/K a "Top Ten New Trucks" classification.
focused on three-door pickups in 1997. The C/K had a third door on
the passenger side. The front passenger seat slid forward to allow
easy access to the rear, but returned to position with no additional
adjustment. Also in the extended-cab was a three-passenger rear bench
seat, rear cupholders and a rear seatback that folded down for loading
convenience. The lower portion folded up for added storage room. Technology
dominated 1997 changes. The four-speed electronic automatic transmission
(4L60-E) got a more sophisticated engine / transmission computer for
greater fuel economy and smoother shifts.
J. D. Power and Assoc. ranked the 1997 C/Ks best full-sized pickup
in initial quality. Chevy said a survey of 1989-1995 pickup owners indicated
that C/Ks had the highest owner satisfaction history of any full-size
February 5, 1997, GM announced production plans for a fully certified
$5,800 "factory" bi-fuel
package for Chevy 2500 pickup trucks starting in 1997. These trucks
used a Vortec 5700 V8 that was gaseous fuel compatible.
There were no major changes in 1998 C/K pickups since a redesigned range
was due out in mid-1999. Prices climbed a bit, but the product offerings
were essentially the same as in 1997. A Passlock theft deterrence system
became available on C/Ks and virtually all Chevrolet trucks.
1: 1973 to 1983]