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1978 Chevrolet G20 Catalog and Classic Car Guide, Ratings and Features

Image of 1978 Chevrolet G20, sourced from bringatrailer.com , Image Link.

Performance Metrics

Performance: +45
Handling: +40
Ride Comfort: +70

Fundamental Metrics

Safety: +35
Maintenance and Upkeep: +75
Restoration Difficulty: +80

Emotional Appeal

Looks: +60
Collectability: +50
Historical Significance: +30

MMP Rating

5.5 /10
Engine Specifications
Engine Options: 250 I6, 305 V8, 350 V8
Displacement Range: 4.1L - 5.7L
Horsepower Range: 95-170 hp
Torque: 185-275 lb-ft
Compression Ratio: 8.0:1 - 8.5:1
Ignition System: Conventional distributor ignition system
Cooling System: Liquid-cooled
Performance Specifications
0-60 Time: Estimated 12-15 seconds
1/4 Mile Time: Estimated 18-20 seconds
Top Speed: 85-95 mph
Transmission and Drive
Drive Type: Rear-wheel drive
Transmission Type: 3-speed automatic, 4-speed manual
Fuel and Efficiency
Fuel System Type: Carburetor
MPG: Estimated 10-15 mpg
Dimensions and Brakes
Brakes: Front disc, rear drum
Wheelbase: 125 inches
Weight: 4,500 lbs

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

Unveiling the Quintessential American Workhorse: The 1978 Chevrolet G20 Van

The year 1978 marked the era of disco, bell-bottoms, and the rise of the quintessential American workhorse: the Chevrolet G20 Van. Born from the sturdy roots of General Motors, this van not only served as a reliable utility vehicle but also became an icon of automotive freedom and versatility. Amidst a landscape of fuel crises and changing consumer needs, the G20 emerged as a testament to American ingenuity, offering a unique blend of practicality and comfort. One particularly intriguing fact about this model is that it became a canvas for customization, leading to some of the most outlandishly decorated vehicles of the time, often dubbed as "rolling art."

Design and Innovation

The 1978 Chevrolet G20 Van boasted a robust and boxy exterior, a design that prioritized function over form yet exuded a certain rugged charm. Its broad, chrome-accented grille and round headlights were hallmarks of the era's design language. Inside, the G20 offered a spartan yet spacious cabin, with durable materials meant to withstand the rigors of daily use. For its time, the van featured technological advancements such as power steering and optional air conditioning, catering to a wide range of needs from cargo transport to passenger comfort. Color options ranged from classic whites and blues to more vibrant hues that mirrored the era's taste for expression. The most iconic body style was undoubtedly the windowless cargo variant, which provided a blank slate for customization.

Historical Significance

The Chevrolet G20 Van's impact on automotive design was subtle yet significant. It bridged the gap between bulky trucks and passenger cars, offering a multi-use platform that could be adapted for nearly any purpose. This versatility set it apart from its contemporaries and cemented its place in the annals of automotive history as a precursor to today's multi-purpose vehicles.

Performance and Handling

Under the hood, the 1978 G20 was no slouch. Equipped with a range of powertrains including a V8 option, it delivered ample performance for its class. While top speed and acceleration were modest by today's standards, the van was praised for its reliability and strength. Handling was what one might expect from a large vehicle of its time—steady but not particularly agile. Drivers often spoke of the distinctive rumble of the engine and the commanding view of the road, contributing to a sense of control and presence on the highway.

Ownership Experience

The G20 Van found its place in various roles—from daily drivers for small businesses to recreational vehicles for travel enthusiasts. Its ease of repair and robust construction made it a favorite among those who valued simplicity and dependability. Maintenance was straightforward, endearing it to owners who preferred to handle repairs themselves.

Fun Facts

The 1978 Chevrolet G20 has its share of trivia. It was a popular choice for conversion into campers or custom vans, often featuring elaborate airbrushed murals and shag carpet interiors. While not known for breaking speed records, it did set benchmarks in versatility and customization options. Despite some criticisms over fuel efficiency and size, it remained beloved for its utility and character.

Collector's Information

Today, the 1978 Chevrolet G20 Van holds a special place in collector circles. Its value can vary widely depending on condition and originality, with well-preserved examples fetching higher prices. Estimates suggest tens of thousands were produced, though exact figures are elusive. As for price trends, well-maintained or uniquely customized vans are appreciating in value as nostalgia for this era grows among collectors and enthusiasts.

Conclusion

The 1978 Chevrolet G20 Van encapsulates a moment in time when functionality met freedom on four wheels. It stands as a testament to an era when vans were more than just vehicles—they were statements of lifestyle and creativity. As we look back on this storied workhorse, its significance in shaping the automotive landscape remains clear, solidifying its status as an enduring classic.

1978 Chevrolet G20 Catalog of Parts

1978 Chevrolet G20 Front Molded Door Seals-LM 13-V 1978 Chevrolet G20 Front Molded Door Seals-LM 13-VFront Molded Door Seals. For full size models (1996 early design). 162" Long. Pair R&L

1978 Chevrolet G20 Front LH (driver's side) Molded Door Seal-LM 13-V/DS 1978 Chevrolet G20 Front LH (driver's side) Molded Door Seal-LM 13-V/DSFront LH (driver's side) Molded Door Seal. For full-size vans (1996 early design). Each.

1978 Chevrolet G20 Front LH (passenger's side) Molded Door Seal-LM 13-V/PS 1978 Chevrolet G20 Front LH (passenger's side) Molded Door Seal-LM 13-V/PSFront LH (passenger's side) Molded Door Seal. For full-size vans (1996 early design). Each.

1978 Chevrolet G20 Side Cargo Door Seals-LM 13-VC 1978 Chevrolet G20 Side Cargo Door Seals-LM 13-VCSide Cargo Door Seals. For full size models (1996 early design). Includes front and rear seals. Pair

1978 Chevrolet G20 Side Cargo Door Seal. Front portion-LM 13-VCF 1978 Chevrolet G20 Side Cargo Door Seal. Front portion-LM 13-VCFSide Cargo Door Seal. Front portion. For full-size vans (1996 early design). Each.

1978 Chevrolet G20 Side Cargo Door Seal. Rear portion-LM 13-VCR 1978 Chevrolet G20 Side Cargo Door Seal. Rear portion-LM 13-VCRSide Cargo Door Seal. Rear portion. For full-size vans (1996 early design). Each.

1978 Chevrolet G20 Rear Cargo Door Seals-LM 13-VR 1978 Chevrolet G20 Rear Cargo Door Seals-LM 13-VRRear Cargo Door Seals. For full size models (1996 early design). Includes left and right seals. Pair

1978 Chevrolet G20 Rear Cargo Door Seal. LH portion (driver's side)-LM 13-VR/DS 1978 Chevrolet G20 Rear Cargo Door Seal. LH portion (driver's side)-LM 13-VR/DSRear Cargo Door Seal. LH portion (driver's side). For full-size vans (1996 early design). Each.

1978 Chevrolet G20 Rear Cargo Door Seal. RH (passenger's side)-LM 13-VR/PS 1978 Chevrolet G20 Rear Cargo Door Seal. RH (passenger's side)-LM 13-VR/PSRear Cargo Door Seal. RH (passenger's side). For full-size vans (1996 early design). Each.Rear Cargo Door Seal. RH (passenger's side). For full-size vans (1996 early design). Each.

1978 Chevrolet G20 Side Sliding Door Seal-LM 13-VS 1978 Chevrolet G20 Side Sliding Door Seal-LM 13-VSSide Sliding Door Seal. For full size models (1996 early design). 213-1/4" Long. Each

1978 Chevrolet G20 Basic Kit, for Models with Sliding Side Doors-RKB 1300-100 1978 Chevrolet G20 Basic Kit, for Models with Sliding Side Doors-RKB 1300-100Basic Kit, for Models with Sliding Side Doors. Front Door (LM 13-V) Rear Door (LM 13-VR) Side Slider (LM 13-VS), Seals.

1978 Chevrolet G20 Basic Kit, for Models with Side Cargo Doors-RKB 1300-101 1978 Chevrolet G20 Basic Kit, for Models with Side Cargo Doors-RKB 1300-101Basic Kit, for Models with Side Cargo Doors. Front Door (LM 13-V) Rear Door (LM 13-VR) Side Cargo (LM 13-VC), Seals.

1978 Chevrolet G20 Windshield Seal, 71-80 GM Full Size Van With Trim Groove, Each-VWS 7324-A 1978 Chevrolet G20 Windshield Seal, 71-80 GM Full Size Van With Trim Groove, Each-VWS 7324-AWindshield Seal, 71-80 GM Full Size Van With Trim Groove, Each. Replaces OEM # 3991513. This seal allows you to re-use your chrome trim which presses into body clips. 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 G20 Windshield Seal, 71-80 GM Full Size Van, Without Trim Groove, Each-VWS 7324-B 1978 Chevrolet G20 Windshield Seal, 71-80 GM Full Size Van, Without Trim Groove, Each-VWS 7324-BWindshield Seal, 71-80 GM Full Size Van, Without Trim Groove. Replaces OEM # 3062392. This seal goes first on the body 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 the 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.


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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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