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