Classic Truck Body Builds Guide: Broncos, K5 Blazers, GMC Jimmys & 1967–1972 GM Trucks

Classic trucks from the late 1960s and early 1970s represent the most restored, modified, and searched-for vehicles in the classic truck market today. From early Broncos to K5 Blazers and 1967–1972 GM pickups, these trucks combine iconic styling with unmatched build versatility.

At Rust Belt Offroad, we manufacture premium reproduction truck bodies used by top builders and restoration shops across the United States. This guide breaks down today’s most popular classic truck body builds, explains critical differences between GM truck models, and helps you choose the right foundation for your project.

📈 Why Classic Truck Restorations Are Booming Nationwide

National search trends show sustained growth in:

• “classic truck restoration”

• “reproduction truck bodies”

• “C10 restoration cost”

• “K5 Blazer body replacement”

• “early Bronco body”

The reason is simple:

• Original trucks are increasingly rusted beyond economical repair

• Builders want clean foundations for modern drivetrains

• Collectors value originality and longevity

Reproduction bodies eliminate structural rust while preserving original design.

🛠 1966–1977 Ford Bronco Body Builds

The early Bronco remains one of the highest-value classic 4x4 platforms in America.

Popular Bronco Build Types

• OEM-correct restorations

• LS and Coyote restomods

• Overland and off-road builds

• High-end show trucks

Why Reproduction Bronco Bodies Matter

Original Bronco tubs often suffer from:

• Rusted floors and rockers

• Firewall and cowl rot

• Quarter panel corrosion

A reproduction Bronco body:

• Preserves factory geometry

• Accepts stock or modern frames

• Saves hundreds of fabrication hours

🚙 K5 Blazer & GMC Jimmy Reproduction Body Builds (1969–1972)

The Chevy K5 Blazer and GMC Jimmy are among the most searched classic SUVs in the U.S.

K5 Blazer vs GMC Jimmy: What’s the Difference?

From a body standpoint:

• Same body structure

• Same panels and mounting points

• Differences limited to trim and badging

Why Builders Choose Reproduction K5/Jimmy Bodies

• Full-size removable tops demand precise alignment

• Original bodies commonly rust at floors, quarters, tailgates

• Reproduction bodies allow proper door and top fitment

Popular national builds include:

• LS-powered restomods

• Lifted off-road rigs

• Period-correct restorations

• Overland conversions

🚛 1967–1972 GM Truck Bodies: C10, C20, C30, K10, K20, K30

The 1967–1972 GM pickup is one of the most restored truck platforms in America.

C-Series vs K-Series Trucks (National Search Favorite)

C-Series (2WD)

• C10 – ½-ton street and cruiser builds

• C20 – ¾-ton heavy-duty street builds

• C30 – 1-ton commercial restorations

Highly searched for:

• Lowered trucks

• Pro-touring builds

• Daily-driver restorations

K-Series (4WD)

• K10 – ½-ton 4x4 builds

• K20 – ¾-ton off-road and utility builds

• K30 – 1-ton heavy-duty and diesel builds

Often built as:

• Off-road rigs

• Work truck restorations

• Modern drivetrain conversions

🔎 Key Differences Within 1967–1972 Chevy / GM Trucks (High-Intent SEO Section)

1967–1968 Chevrolet / GM Trucks

• Small rear window

• No side marker lights

• Early interior and dash design

1969–1970 Chevrolet / GM Trucks

• Side marker lights introduced

• Larger rear window option

• Interior refinements

1971–1972 Chevrolet / GM Trucks

• Larger rear window standard

• Revised interior components

• Final years before emissions changes

SEO Insight: Year-specific searches like “1969 C10 differences” and “1972 K10 restoration” convert extremely well.

🧰 Why Reproduction Truck Bodies Are the Smart Choice

Nationwide, original truck bodies often require:

• Floor replacements

• Cab corner repairs

• Rocker panel replacement

• Firewall and cowl repair

• Bed floor replacement

A reproduction body:

• Reduces total build cost long-term

• Improves safety and structural integrity

• Increases resale value

• Ensures correct panel alignment

Rust Belt Offroad bodies are used by:

• Professional restoration shops

• Custom builders

• High-end collectors nationwide

🔥 Popular National Build Trends Using Our Bodies

• LS-swapped C10 street trucks

• K5 Blazer off-road builds

• K10 and K20 trail rigs

• Bronco restomods and overland builds

• Period-correct concours restorations

🚀 Start Your Classic Truck Build with Rust Belt Offroad

If you’re restoring or building a:

• 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977 Classic Bronco

• 1969. 1970, 1971, 1972 K5 Blazer or GMC Jimmy

• 1967, 1968, 1969, 1970, 1971 and 1972 C10, C20, C30, K10, K20, or K30 Chevy/Chevrolet Truck

• 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987 C10, C20, C30, K10, K20, K30 Chevy / Chevrolet / GMC Square Body Truck

Your build deserves the right foundation.

👉 Explore our reproduction bodies at RustBeltOffroad.com
👉 Contact us to discuss your build goals
👉 Built for builders. Trusted nationwide.