1973 To 1987 Chevy Trucks For Sale: Your Comprehensive Guide to the Iconic Square Body

1973 To 1987 Chevy Trucks For Sale: Your Comprehensive Guide to the Iconic Square Body sale.truckstrend.com

The automotive landscape is littered with classic vehicles, but few command the enduring respect, versatility, and sheer cool factor of the Chevrolet trucks produced between 1973 and 1987. Affectionately known as "Square Bodies" due to their distinctive, chiseled lines, these trucks represent a golden era of American utility and style. From rugged farmhands to polished showpieces, the 1973-1987 Chevy trucks have cemented their place in automotive history, captivating a new generation of enthusiasts while retaining their original charm.

For anyone considering a foray into the world of classic trucks, the Square Body Chevy offers an irresistible blend of iconic design, robust mechanicals, and a vast aftermarket support network. Whether you’re a seasoned restorer, a weekend warrior seeking a reliable hauler, or simply someone who appreciates timeless American iron, understanding the nuances of these vehicles is crucial. This comprehensive guide will navigate you through the exciting journey of finding, evaluating, and potentially owning one of these legendary machines.

1973 To 1987 Chevy Trucks For Sale: Your Comprehensive Guide to the Iconic Square Body

The Enduring Appeal of the Square Body

What is it about the 1973-1987 Chevy truck that continues to draw such a devoted following? Several factors contribute to their timeless allure:

• Iconic Design: The "Square Body" moniker is no accident. These trucks broke away from the more rounded designs of previous decades, embracing a bold, angular aesthetic that was both modern for its time and remarkably enduring. Their clean lines, prominent grilles, and purposeful stance exude a sense of strength and honesty that resonates with many.
• Built to Last: Chevrolet engineered these trucks for durability. With robust frames, dependable powertrains, and straightforward mechanicals, many Square Bodies have logged hundreds of thousands of miles and continue to operate reliably today. This inherent toughness makes them excellent candidates for restoration or continued use.
• Unmatched Versatility: From the nimble C10 short-bed to the heavy-duty K30 dually, and the family-friendly Blazer and Suburban, the Square Body platform offered an incredible range of configurations. They served as workhorses for tradesmen, adventurous off-roaders, comfortable family transporters, and now, popular custom builds.
• Nostalgia and Heritage: For many, these trucks evoke powerful memories of childhood, family road trips, or hard work alongside a trusted vehicle. They represent a tangible piece of American history and a simpler time, fostering a deep emotional connection.
• Strong Aftermarket Support: Thanks to their popularity and long production run, parts for Square Body Chevys are incredibly abundant and relatively affordable. Whether you need a simple maintenance item, a body panel for a full restoration, or performance upgrades, the aftermarket is well-stocked, making ownership and customization highly feasible.

Understanding the Generations and Models

While all trucks from this era share the "Square Body" designation, there were notable evolutions and a wide array of models within the 1973-1987 production run.

1. The First Generation (1973-1980):
These early Square Bodies are distinguished by their single headlights and a more traditional, blocky grille design. They introduced significant innovations for their time, including independent front suspension on 2WD models (C-series), larger cabs, and improved creature comforts.

• Trims: Custom, Custom Deluxe, Scottsdale, Cheyenne, Silverado. The higher the trim, the more interior amenities and exterior brightwork.
• Engine Options: A wide range of inline-six and V8 gasoline engines, including the ubiquitous 305, 350, and 454 cubic-inch V8s. Diesel options (primarily the problematic 6.2L V8) also became available later in this period.
• Transmission Options: Manual (3-speed, 4-speed) and automatic (TH350, TH400).

2. The Facelifted Generation (1981-1987):
The 1981 model year brought a significant refresh, most notably with a redesigned front fascia featuring stacked rectangular headlights and a more aerodynamic grille. Other subtle changes included revised body lines and improved fuel efficiency.

• Nomenclature Change (1987-1991 for some models): In 1987, Chevrolet rebranded the C/K series as R/V for the remaining Square Body trucks (primarily Blazers, Suburbans, and some crew cabs) that continued production alongside the new GMT400 series. This can be a point of confusion for buyers.
• Engine & Fuel Systems: While carbureted engines remained common, 1987 saw the introduction of Throttle Body Injection (TBI) for some engines (like the 5.7L V8), offering improved reliability and fuel economy.
• Body Styles:
  • C-series (2WD): C10 (1/2 ton), C20 (3/4 ton), C30 (1 ton).
  • K-series (4WD): K10 (1/2 ton), K20 (3/4 ton), K30 (1 ton).
  • Cab Configurations: Regular Cab, Crew Cab (4-door), Extended Cab (rare, often custom).
  • Bed Lengths: Short Bed (6.5 ft), Long Bed (8 ft).
  • SUVs: Blazer (2-door) and Suburban (4-door).

What to Look For When Buying Your Square Body

Purchasing a vintage vehicle requires careful inspection. Here’s a detailed checklist for evaluating a 1973-1987 Chevy truck:

1. Rust, Rust, Rust: This is the primary enemy of the Square Body. Inspect thoroughly:

   • Rocker Panels & Cab Corners: These are notorious rust traps.
   • Fenders & Wheel Wells: Especially the rear wheel arches.
   • Bed Floor & Supports: Check underneath the bed for rot.
   • Frame Rails: Look for excessive surface rust or, worse, perforations. Pay attention around spring hangers and body mounts.
   • Door Bottoms & Inner Cowl: Hidden areas where water collects.
   • Windshield & Rear Window Channels: Leaks here lead to interior rust.

2. Engine & Drivetrain:

   • Cold Start: Listen for excessive smoke (blue = oil, white = coolant, black = rich fuel), knocking, or ticking.
   • Fluid Leaks: Check under the truck for oil, coolant, or transmission fluid leaks.
   • Transmission: On automatics, ensure smooth shifts without slipping. On manuals, check clutch engagement and gear grinding.
   • 4WD System (K-series): Test engagement in both high and low range. Listen for unusual noises from transfer case or differentials. Check front axle seals.
   • Differential Noise: Whining or clunking can indicate worn gears.

3. Suspension & Steering:

   • Ball Joints & Tie Rods: Check for play by jacking up the front and wiggling the wheels.
   • Steering Box: Excessive play in the steering wheel often points to a worn steering box or rag joint.
   • Leaf Springs & Shocks: Look for sagging springs or leaking shocks.
   • Bushings: Worn control arm or spring bushings can cause clunking and poor handling.

4. Brakes:

   • Pedal Feel: Should be firm, not spongy.
   • Brake Lines: Inspect for rust or leaks, especially where they run along the frame.
   • Calipers/Wheel Cylinders: Look for leaks.

5. Interior:

   • Dashpad: Cracks are common due to sun exposure.
   • Seat Upholstery: Tears and foam deterioration are typical.
   • Gauges & Lights: Ensure all gauges (oil pressure, temp, fuel, volts) work, along with interior lights.
   • HVAC: Test heater and, if equipped, AC (often non-functional or converted).
   • Windows & Doors: Check for smooth operation of windows and door latches.

6. Electrical:

   • Lights: Headlights, taillights, turn signals, brake lights, reverse lights.
   • Wipers: Functionality and speed settings.
   • Radio: Original or aftermarket.
   • Wiring Harness: Look for signs of amateur wiring or frayed wires.

7. Paperwork:

   • Clear Essential for legal ownership.
   • Service Records: A bonus, showing a history of maintenance.
   • VIN Matching: Ensure the VIN on the title matches the vehicle’s VIN plate (usually on the dash or door jamb).

Restoration vs. Driver vs. Project

Before you start your search, decide on your budget, skill level, and desired outcome:

• Fully Restored: These trucks command the highest prices. They are turn-key, often show-quality, and require minimal immediate work. Ideal for those who want to drive and enjoy without the hassle of a build.
• Reliable Driver: This is often the sweet spot for many buyers. The truck is in good mechanical condition, generally rust-free (or with minor, manageable rust), and can be driven immediately. It might have some cosmetic flaws or require minor repairs, but it’s not a major project.
• Project Truck: These are the cheapest options, often non-running, heavily rusted, or needing complete overhauls. They are perfect for experienced mechanics, bodywork specialists, or those with a significant budget for professional restoration. Be realistic about the time, money, and skills required.

Common Modifications and Upgrades

The Square Body’s popularity means there’s a thriving aftermarket for customization:

• Engine Swaps: LS-series V8 swaps are extremely popular for modern power, reliability, and fuel injection.
• Suspension: Lift kits for off-roading, lowering kits for a street-performance stance, and air ride systems for adjustability.
• Wheels & Tires: A simple wheel and tire upgrade can dramatically change the truck’s appearance.
• Interior Modernization: Aftermarket gauges, modern stereo systems, new upholstery, and sound deadening.
• Brake Upgrades: Disc brake conversions (for rear drums), larger rotors, and better calipers for improved stopping power.
• Fuel Injection Conversion: For carbureted engines, aftermarket EFI kits improve starting, driveability, and fuel economy.

Where to Find Your Square Body

• Online Marketplaces: Craigslist, Facebook Marketplace, and eBay Motors are excellent starting points. Use broad search terms and refine by location.
• Classic Car Dealers: Many specialize in vintage trucks. They often have higher prices but may offer more vetted vehicles.
• Auctions: Major auctions (Mecum, Barrett-Jackson) feature high-end, restored examples. Local auctions can sometimes yield hidden gems.
• Specialized Forums & Clubs: Online communities (e.g., Squarebody.com forums, Facebook groups) often have classified sections where enthusiasts sell their trucks.
• Word of Mouth: Let friends, family, and local mechanics know you’re looking.

Practical Advice and Actionable Insights

• Set a Realistic Budget: Beyond the purchase price, factor in registration, insurance, and immediate repairs or upgrades. Restoration costs can quickly outstrip the purchase price.
• Pre-Purchase Inspection (PPI): If you’re not mechanically inclined, or even if you are, consider hiring a trusted mechanic to perform a PPI, especially for higher-priced trucks or those far away.
• Don’t Rush: There are many Square Bodies out there. Be patient and wait for the right one that fits your budget and needs.
• Join a Community: Connect with other Square Body owners online or in local clubs. Their collective knowledge can be invaluable for advice, parts sourcing, and troubleshooting.
• Know Your Local Laws: Be aware of emissions regulations, safety inspections, and classic vehicle registration rules in your area.

Estimated Price Guide for 1973-1987 Chevy Trucks For Sale

Prices for Square Body Chevys vary wildly based on year, model, engine, condition, and location. This table provides a broad estimated range.

Year Range	Model Type (Example)	Condition: Project (Needs Major Work)	Condition: Driver (Good Mechanical, Minor Flaws)	Condition: Good (Solid, Minor Cosmetic)	Condition: Excellent/Restored (Show Quality)
1973-1987	C10 Short Bed (2WD, 1/2 Ton)	$2,000 – $6,000	$7,000 – $15,000	$16,000 – $28,000	$30,000 – $70,000+
1973-1987	K10/K20 (4WD, 1/2-3/4 Ton)	$2,500 – $7,000	$8,000 – $18,000	$18,000 – $35,000	$38,000 – $80,000+
1973-1987	C20/C30 Long Bed (2WD, 3/4-1 Ton)	$1,500 – $5,000	$6,000 – $12,000	$13,000 – $25,000	$28,000 – $55,000+
1973-1987	K30 Dually/Crew Cab (4WD, 1 Ton)	$3,000 – $8,000	$9,000 – $20,000	$22,000 – $40,000	$45,000 – $90,000+
1973-1987	K5 Blazer (4WD SUV)	$3,000 – $8,000	$9,000 – $20,000	$20,000 – $40,000	$45,000 – $100,000+
1973-1987	Suburban (2WD/4WD SUV)	$2,000 – $6,000	$7,000 – $15,000	$16,000 – $30,000	$35,000 – $75,000+

Note: These are estimated ranges and can fluctuate significantly based on geographic location, specific engine/transmission, trim level (e.g., Silverado vs. Custom), originality, and current market demand. Highly customized or rare configurations can fetch much higher prices.

Frequently Asked Questions (FAQ)

Q: Are parts readily available for 1973-1987 Chevy trucks?
A: Absolutely! Thanks to their long production run and popularity, the aftermarket support for Square Body Chevys is immense. You can find almost any part, from body panels and trim to engine components and interior pieces, new or used.

Q: What’s the best engine option for a Square Body?
A: The most common and versatile is the 350 cubic-inch (5.7L) V8. It offers a good balance of power, reliability, and ease of maintenance. The 454 (7.4L) V8 provides more torque for heavy hauling, while the 305 (5.0L) is decent for light duty. The 6.2L diesel, while economical, is generally slow and can be problematic.

Q: What’s the difference between a C10 and a K10?
A: The "C" denotes a 2-wheel-drive (2WD) truck, while "K" denotes a 4-wheel-drive (4WD) truck. The number (10, 20, 30) refers to the half-ton, three-quarter-ton, and one-ton designations, respectively.

Q: How big of a concern is rust?
A: Rust is the biggest concern when buying a Square Body. They are highly susceptible to it, especially in the rocker panels, cab corners, bed floors, and frame. Thorough inspection for rust is paramount, as extensive rust repair can be very costly.

Q: Can I daily drive a 1973-1987 Chevy truck?
A: Yes, many people do. With proper maintenance, a reliable engine, and potentially some modern upgrades (like fuel injection, better brakes, or AC), a Square Body can be a comfortable and dependable daily driver.

Q: Are these trucks good for towing?
A: Yes, especially the 3/4-ton (C20/K20) and 1-ton (C30/K30) models, which were designed for heavy-duty work. The 1-ton dually (with dual rear wheels) is particularly capable.

Q: What are the main differences between the ’73-’80 and ’81-’87 models?
A: The most noticeable difference is the front fascia. ’73-’80 models typically have a single headlight design, while ’81-’87 models feature stacked rectangular headlights and a revised grille for a more aerodynamic look. There were also minor interior and mechanical refinements over the years.

Conclusion

The 1973 to 1987 Chevy Square Body trucks are more than just old vehicles; they are a cultural phenomenon, a testament to American engineering, and a canvas for personal expression. Their rugged good looks, mechanical simplicity, and vast customization potential make them incredibly desirable for a wide range of enthusiasts.

Embarking on the journey to find your own Square Body is an exciting endeavor. By understanding the different models, knowing what to look for during inspection, and setting a realistic budget, you can significantly improve your chances of finding a truck that brings years of enjoyment. Whether you dream of a fully restored showpiece, a reliable daily driver, or a challenging project, the timeless appeal of the Square Body ensures that your investment in this piece of automotive history will be a rewarding one. Happy hunting!