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1978 Chevrolet C20 Suburban Catalog and Classic Car Guide, Ratings and Features

Image of 1978 Chevrolet C20 Suburban, Note: These illustrations use artistic license and may differ from actual historical models.

Performance Metrics

Performance: +40
Handling: +35
Ride Comfort: +70

Fundamental Metrics

Safety: +50
Maintenance and Upkeep: +80
Restoration Difficulty: +85

Emotional Appeal

Looks: +60
Collectability: +55
Historical Significance: +40

MMP Rating

6 /10
Engine Specifications
Engine: 5.7L V8, 6.6L V8, 7.4L V8
Displacement: 350 - 454 cubic inches
Horsepower: 145 - 230 hp
Torque: 255 - 360 lb-ft
Compression Ratio: 8.0:1 - 8.5:1
Ignition System: Electronic ignition
Cooling System: Liquid-cooled
Performance Specifications
0-60 Time: 12 - 15 seconds
1/4 Mile Time: 18 - 20 seconds
Top Speed: 100 mph
Transmission and Drive
Drive Type: Rear-wheel drive (RWD)
Transmission Type: 3-speed automatic, 4-speed manual
Fuel and Efficiency
Fuel System Type: Carburetor
MPG: 10 - 12 mpg
Dimensions and Brakes
Brakes: Front disc, rear drum
Wheelbase: 129.5 inches
Weight: 4,500 - 5,000 lbs

Note: Specifications for classic cars are given to the best of our ability, considering the limited and variant data available.

The Quintessential American Workhorse: The 1978 Chevrolet C20 Suburban

The 1978 Chevrolet C20 Suburban is not just a vehicle; it's a testament to the era of robust American engineering and design. Born from the storied production lines of General Motors, this full-size SUV was crafted to cater to the needs of large families and heavy-duty tasks. At a time when roads were becoming busier and demands on vehicles were increasing, the Suburban stood out as a versatile giant, capable of hauling more than just cargo. A unique fact that might pique your interest: the '78 Suburban was part of the eighth generation, a series that saw the introduction of a four-door model, which revolutionized convenience in large vehicles.

Design and Innovation

The exterior of the 1978 C20 Suburban was both commanding and utilitarian, with a boxy silhouette that exuded strength. Its long, straight lines and broad grille were unmistakably Chevy, a brand that had become synonymous with durability. Inside, the cabin was spacious, offering a no-nonsense layout with durable materials designed to withstand the rigors of daily use. Technological features for its time included options like air conditioning and an AM/FM radio, which were considered luxuries. Color options ranged from classic whites and blues to more adventurous shades like Sequoia Green and Medium Orange. The most iconic body style was the three-row seating configuration, which solidified the Suburban as the go-to choice for those needing copious space.

Historical Significance

The 1978 Suburban's impact on automotive design was profound. It set a benchmark for what a multi-use vehicle could be, blending truck-like capability with family-friendly features. This model helped pave the way for the modern SUV, influencing a segment that would grow to dominate global car markets. Its longevity in production is a testament to its successful design and functionality.

Performance and Handling

Performance-wise, the '78 C20 Suburban was no slouch. Equipped with a range of powerful V8 engines, it delivered ample power for towing and hauling. Although not built for speed, it provided enough grunt to handle fully loaded trips with ease. The ride quality was what you'd expect from a heavy-duty vehicle of its size—sturdy and reliable over bumps, with handling that required a firm hand on the wheel. Driving one was an experience characterized by the rumble of the engine and the commanding view of the road.

Ownership Experience

Owners of the '78 Suburban used it for everything from daily chores to cross-country adventures. Its reliability made it a common sight on roads decades after its release. Maintenance was straightforward, thanks to the simplicity of its design and widespread availability of parts. While not without its quirks, the C20 Suburban was generally seen as a trustworthy companion for those who needed its muscular approach to driving.

Fun Facts

In terms of trivia, the '78 Suburban has had its share of limelight, including being favored by government agencies for its robustness. While not known for breaking speed records, it set its own record for longevity in production. Criticisms typically revolved around fuel economy—a common issue for vehicles of its size during that era.

Collector's Information

Today, the 1978 Chevrolet C20 Suburban has found its place among classic car enthusiasts. While production numbers were high, finding one in pristine condition can be challenging. Values range significantly based on condition, with well-maintained models fetching higher prices. As a classic SUV, it's appreciated in value over time, especially for models with original parts and low mileage. A well-preserved Suburban could sell anywhere from $15,000 to upwards of $30,000 or more for exceptional examples.

Conclusion

The 1978 Chevrolet C20 Suburban stands as a monument to a time when cars were built to last and to serve multiple purposes without compromise. It's a vehicle that has carried families, towed trailers, and endured through decades, earning its place in the pantheon of classic American automobiles. For those who appreciate strength, simplicity, and versatility in their vintage rides, the '78 Suburban remains an enduring favorite.

1978 Chevrolet C20 Suburban Catalog of Parts

1978 Chevrolet C20 Suburban Hood Adjustment Bolt,Nut and Bumper Pair-HA 5-B 1978 Chevrolet C20 Suburban Hood Adjustment Bolt,Nut and Bumper Pair-HA 5-BHood Adjustment Bolt, Nut and Bumper 5/16-18 x 1 1/2 Bolt, 5/16-18 Nut and Bumper 7/8 x 7/16.

1978 Chevrolet C20 Suburban Front Door Seal (Imported).  Fits either side.  148 Long-IS-LM 121 1978 Chevrolet C20 Suburban Front Door Seal (Imported). Fits either side. 148" Long-IS-LM 121Front Door Seal (Imported). Fits either side. 148" Long. Each

1978 Chevrolet C20 Suburban Upper Door Seal, 78-82 GM Full Size Truck and SUV, Fits Right Side Only, Each-LM 121-J 1978 Chevrolet C20 Suburban Upper Door Seal, 78-82 GM Full Size Truck and SUV, Fits Right Side Only, Each-LM 121-JUpper Door Seal, 78-82 GM Full Size Truck and SUV, Fits Right Side Only, Each. Replaces OEM # 14016512. This seal mounts on the upper part of the passenger (right) door with weatherstrip adhesive glue (not included). This product is made from the original specs and with high quality ozone resistant EPDM rubber for a great fit and long life.

1978 Chevrolet C20 Suburban Upper Door Seal, 78-82 GM Full Size Truck and SUV, Fits Left Side Only, Each-LM 121-K 1978 Chevrolet C20 Suburban Upper Door Seal, 78-82 GM Full Size Truck and SUV, Fits Left Side Only, Each-LM 121-KUpper Door Seal, 78-82 GM Full Size Truck and SUV, Fits Left Side Only, Each. Replaces OEM # 14016511. This seal mounts on the upper part of the driver (left) door with weatherstrip adhesive glue (not included). This product is made from the original specs and with high quality ozone resistant EPDM rubber for a great fit and long life.

1978 Chevrolet C20 Suburban Liftgate Seal, 75-91 GM Suburbans with Liftgate, Each-LM 121-P 1978 Chevrolet C20 Suburban Liftgate Seal, 75-91 GM Suburbans with Liftgate, Each-LM 121-PLiftgate Seal, 75-91 GM Suburbans with Liftgate, Each. Replaces OEM #15594665. This part was designed using the original factory design that consists of the lower clip on seal and upper glass run that are connected as one piece with molded sections.

1978 Chevrolet C20 Suburban Door Handle Gasket Set Fits 73-87 Chevy and GMC Trucks OEM-Style Molded Lip-MP 806 1978 Chevrolet C20 Suburban Door Handle Gasket Set Fits 73-87 Chevy and GMC Trucks OEM-Style Molded Lip-MP 806Each component is built by factory measurements and specifications for a direct-fit replacement and simple installation, focusing on restored authenticity. The top-tier USA Made construction and materials ensure durability and longevity for a long-lived replacement that will far outlast your factory stock models.

1978 Chevrolet C20 Suburban Radiator support cushion-RA 4 1978 Chevrolet C20 Suburban Radiator support cushion-RA 4Radiator support cushion. Fits '68-'91 Chevrolet cars and trucks with Big Block engines. (See associated vehicles.) Reproduction rubber insulator cushion with 3.08 in. recess fits upper and lower mounts. Replaces OEM# 6264100. Each.

1978 Chevrolet C20 Suburban Windshield Seal, 73-87 GM Full Size Truck, 73-91 GM SUV, Without Trim Groove-VWS 7313-D 1978 Chevrolet C20 Suburban Windshield Seal, 73-87 GM Full Size Truck, 73-91 GM SUV, Without Trim Groove-VWS 7313-DThis windshield seal goes on the body first then the glass is placed in the opening. Tucking in the self locking strip secures the glass in place. It is a standard black gasket without trim groove. This product is made from the original specs and with high quality ozone resistant materials for a great fit and long life. This item is designed to be installed during glass replacement.

1978 Chevrolet C20 Suburban Window Channel and Sweeper Kit, for Front Doors-WC 5900-15 1978 Chevrolet C20 Suburban Window Channel and Sweeper Kit, for Front Doors-WC 5900-15Window Channel and Sweeper Kit, for Front Doors. 6-Piece Kit

1978 Chevrolet C20 Suburban Vent Window Seal,73-80 GM Truck and SUV, Set of Four-WR 2005-B 1978 Chevrolet C20 Suburban Vent Window Seal,73-80 GM Truck and SUV, Set of Four-WR 2005-BThis 4 piece set replaces both the main driver and passenger door vent window seals and the rear division channel seals as well. Made from high quality ozone resistant EPDM rubber from the original specs for a great fit and long life.

Why Choose Metro?

For over 100 years, Metro Moulded Parts has been the pinnacle of quality in classic car restoration parts. Our commitment to precision and authenticity in every component ensures a perfect fit and an OEM-level appearance.

  • Expert Craftsmanship & Quality: Each part is a testament to our dedication to reliability and perfection, crafted from original designs and thoroughly tested.
  • Advanced Technology: We use cutting-edge techniques to create flawless, long-lasting parts that surpass others in performance.
  • SuperSoft Sponge – The Ultimate Door Seal: Not only are our door seals 30% softer than competitors', but they're also guaranteed to never leak. They effectively reduce wind and road noise, enhancing your classic car's comfort and driving experience.
  • Proudly American: Our parts are a product of American craftsmanship, made in the USA with a spirit of excellence and heritage.
  • Unrivaled Warranty: We back our products with a 30-year industry-leading warranty, a testament to our confidence in their quality.

Join us in preserving the legacy of classic cars with parts that are crafted for perfection, not just made.

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