1988 Chevrolet C-1500 Silverado �€" Long Bed Fleetside with 350 V8
and Clean Undercarriage Why This Car Is Special The 1988 Chevrolet
C-1500 Silverado represents the final generation of what collectors
now call the 'Square Body' or 'OBS' �€" the third-generation C/K
trucks that ran from 1973 through 1987, with a mild refresh that
carried the design into 1991. That generation is widely regarded as
the last truly simple, body-on-frame, no-frills full-size truck
Chevrolet built before cab-forward aerodynamics and increasing
computer complexity changed the formula permanently. The square
body trucks have been climbing steadily in collector value, and the
Silverado trim level has always been the one worth finding. By
1988, Chevrolet had updated the front end with a more refined
grille and fascia compared to the earlier square body trucks, and
the interior had been substantially modernized. This particular
truck �€" a two-wheel-drive long bed regular cab �€" is the
configuration most commonly associated with the workhorse American
pickup of its era. It was spec'd with the Silverado trim package,
the top-of-the-line designation for the C/K line at that time,
which meant a notably higher level of comfort and chrome than the
base Custom or Scottsdale trucks below it. The Silverado package
brought upgraded cloth upholstery, additional sound deadening,
chrome interior trim accents, and the door panel badging visible in
the photos. It was the truck that Chevrolet was positioning against
the Ford F-150 XLT Lariat, and it held its own. The truck is
finished in red with a matching red interior �€" a color
combination that was popular in the late 1980s and reads as very
intentional on a truck this age. Both the exterior and the interior
have held up with the kind of consistency that suggests this truck
was either lightly used or carefully kept. The undercarriage photos
confirm the latter: the frame, floor pans, and structural areas
beneath this truck are clean and solid, which is the single most
important thing to verify on any truck from this era. Features List
- 5.7L 350ci V8 with Throttle Body Fuel Injection - 700R4 4-Speed
Overdrive Automatic Transmission - Silverado Trim Package - Power
Steering - Power Brakes with Front Disc Brakes - Air Conditioning -
Tilt Steering Column - Power Windows - Power Door Locks - Dual
Exhaust - Chrome Front Bumper - Chrome Rear Step Bumper - Chrome
Side Mirrors - Window Vent Visors - Full-Width Bench Seat in Red
Cloth - Long Bed Fleetside Configuration - Bed Liner - Upgraded
Aftermarket Stereo - Rally-Style Chrome Wheels - Hankook White
Letter Tires - Tinted Windows - Clean Undercarriage Mechanical
Under the hood is Chevrolet's 5.7-liter 350 cubic inch V8, fed by
Throttle Body Fuel Injection �€" the system Chevrolet introduced on
the C/K trucks in 1987 to replace the Rochester carburetor.
Throttle Body Injection, or TBI, uses two injectors mounted in a
throttle body that looks visually similar to a carburetor but
delivers fuel with greater consistency and cold-start reliability.
It is one of the most straightforward fuel injection systems ever
put into production, which is a significant advantage from a
long-term ownership standpoint: TBI systems are easy to diagnose,
well-supported by aftermarket parts, and fully compatible with
standard mechanical skills. The 350 in this application produced
around 210 horsepower when new, which in a truck of this weight
class translates to confident, linear power delivery. Backing the
350 is the 700R4 four-speed overdrive automatic transmission,
introduced by GM in 1982 to bring highway fuel economy to trucks
that were previously running three-speed automatics with no
overdrive ratio. The fourth gear overdrive ratio reduces engine RPM
at highway speeds, which eases mechanical wear and noticeably
improves fuel consumption on the open road. This transmission was a
significant engineering milestone for GM at the time and is now
well-understood mechanically, with a large aft
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