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Cadillac Series 355

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The Cadillac Series 355: A Comprehensive Guide

The Cadillac Series 355, produced from 1931 to 1935, represents a significant chapter in Cadillac's history, solidifying its reputation for luxury, innovation, and sophisticated engineering during the pre-war era. This series falls squarely into the realm of luxury automobiles, aimed at the affluent clientele who demanded the very best in comfort, performance, and prestige. A direct successor to the earlier V-8 models, the Series 355 introduced advancements in engine technology and styling, making it a highly desirable car in its time and a sought-after classic today.

Generations & Evolution

1931 (Series 355)

The inaugural year of the Series 355 saw the introduction of Cadillac's updated 353 cubic inch V8 engine. While appearing similar to its predecessor, the 353 incorporated key improvements like an improved manifolding system and a new carburetor. These enhancements yielded increased horsepower and smoother operation. Styling cues for 1931 included a more refined radiator grille, streamlined body lines, and a wider range of available body styles, from sedans and coupes to roadsters and town cars.

  • Engine: 353 cu in (5.8 L) V8
  • Key Features: Improved engine performance, refined styling, numerous body style options.

1932 (Series 355B)

For 1932, the Series 355 received some updates and was designated the Series 355B. Notable changes included redesigned fenders and a more pronounced vee-shaped radiator. Interior appointments were further enhanced, offering an even higher level of luxury and comfort. Mechanical improvements focused on durability and refinement.

  • Engine: 353 cu in (5.8 L) V8 (slight refinements)
  • Key Features: Redesigned fenders, vee-shaped radiator, improved interior.

1933 (Series 355C)

The 1933 Series 355C continued the evolution of the model. While the engine remained largely the same, emphasis was placed on improving ride quality and handling. The bodies were subtly restyled, often incorporating more streamlined features reflective of the Art Deco design influences of the era. New interior fabrics and materials were introduced to further enhance the luxurious experience.

  • Engine: 353 cu in (5.8 L) V8
  • Key Features: Improved ride quality, subtle styling refinements, updated interior materials.

1934 (Series 355D)

In 1934, the Series 355D saw more noticeable styling changes. The bodies were further streamlined and integrated, with more flowing lines and often with skirted fenders becoming increasingly common. The radiator grille was also restyled. Importantly, Cadillac introduced independent front suspension as an option, significantly improving ride and handling.

  • Engine: 353 cu in (5.8 L) V8
  • Key Features: Streamlined styling, optional independent front suspension.

1935 (Series 355E)

The final year for the Series 355, the 1935 355E brought further refinement. Styling became even more integrated and streamlined, reflecting the growing trends of the mid-1930s. Independent front suspension was now more widely available, contributing to a smoother and more comfortable ride. This was the swan song for the 353 engine in Cadillac's lineup as bigger, more powerful options became available.

  • Engine: 353 cu in (5.8 L) V8
  • Key Features: Most streamlined styling of the series, widespread availability of independent front suspension.

Reliability & Common Issues

While the Cadillac Series 355 was a marvel of engineering for its time, owning and maintaining one today requires an understanding of its potential weaknesses. Here's a breakdown of common issues:

  • Engine Issues: The 353 V8, while robust, can suffer from wear and tear typical of engines of its age. Valve issues, worn piston rings, and oil leaks are common. Rebuilding these engines requires specialized knowledge and parts can be scarce and expensive. Overheating can be a concern if the cooling system isn't properly maintained.
  • Electrical System: The original 6-volt electrical system is notoriously unreliable by modern standards. Converting to a 12-volt system is a common and often necessary upgrade to improve starting and lighting performance. Wiring harnesses can become brittle and cracked over time, leading to shorts and other electrical problems.
  • Suspension and Steering: Leaf spring suspension, common on earlier models, can result in a somewhat bouncy ride. Bushings and shackles wear out, contributing to loose handling. The steering box can develop excessive play, making the car difficult to steer precisely. If equipped with independent front suspension, ensuring the parts are correct and properly adjusted is crucial for optimal performance.
  • Braking System: Mechanical drum brakes offer limited stopping power compared to modern disc brakes. Regular inspection and adjustment are essential. Rebuilding brake components, including master cylinders and wheel cylinders, is often necessary to ensure safe operation. A brake upgrade is a worthwhile consideration if you plan to drive the car frequently.
  • Fuel System: The original carburetors can be finicky and require regular tuning. Fuel lines can deteriorate, leading to leaks. Ethanol in modern gasoline can also damage fuel system components, necessitating the use of additives or replacement with ethanol-resistant parts.
  • Body and Chassis: Rust is a significant concern, especially in areas prone to moisture. Thoroughly inspect the frame, floor pans, and body panels for signs of corrosion. Wood framing, common in many of these cars, is susceptible to rot. Body repairs can be expensive and time-consuming.

Proper maintenance, adherence to original service manuals, and seeking advice from experienced Cadillac restorers are crucial for ensuring the reliability and longevity of a Series 355.

Driving Experience

Driving a Cadillac Series 355 is like stepping back in time. It's an experience that's far different from operating a modern vehicle. The stately presence, the rumble of the V8 engine, and the elegant interior all contribute to a unique and memorable sensation. However, potential buyers should be aware of the following:

  • Pros:
    • Unique driving experience: The car offers a driving experience unavailable in modern vehicles. The V8 engine provides ample torque, and the car has a commanding presence on the road.
    • Timeless styling: The Series 355 cars are gorgeous.
    • Relatively simple mechanics: Though older, the technology is relatively straightforward and easier to understand than modern cars.
    • Historical significance: Owning a Series 355 is owning a piece of automotive history.
  • Cons:
    • Handling and braking: Handling is vague and braking is weak compared to modern standards. Expect long stopping distances.
    • Reliability: The car requires diligent maintenance. Expect frequent repairs and adjustments.
    • Comfort: While luxurious for its time, ride quality and cabin noise are not comparable to modern vehicles.
    • Parts availability: Finding replacement parts can be challenging and expensive.

Buying Advice

If you're considering purchasing a Cadillac Series 355, here's some advice to help you make an informed decision:

  • What Years to Look For: Generally, the 1934 and 1935 models (Series 355D and 355E) are often preferred because of their more streamlined styling and the availability of independent front suspension. However, earlier models can be just as rewarding to own if properly maintained.
  • What to Avoid:
    • Rust: Avoid cars with significant rust damage, as repairs can be costly and time-consuming. Pay close attention to the frame, floor pans, and body panels.
    • Incomplete restorations: Be wary of cars that have been poorly restored. Check for mismatched parts, sloppy workmanship, and evidence of previous damage.
    • Non-original modifications: While some modifications are acceptable, extensive alterations can detract from the car's value and originality.
  • Pre-Purchase Inspection:
    • Hire a professional: Have a qualified mechanic specializing in pre-war automobiles inspect the car thoroughly.
    • Check the engine: Look for signs of oil leaks, excessive smoke, and unusual noises. Compression test the engine to assess its overall health.
    • Inspect the body and chassis: Look for evidence of rust, damage, and previous repairs.
    • Evaluate the interior: Check for tears, stains, and missing parts. Assess the condition of the upholstery, carpets, and wood trim.
    • Test drive the car: Pay attention to the handling, braking, and overall performance.
  • Documentation: Look for cars with original documentation, such as owner's manuals, service records, and build sheets. This can help verify the car's authenticity and history.
  • Community: Join a Cadillac club or online forum to connect with other owners and enthusiasts. This can provide valuable resources, advice, and support.

Purchasing a Cadillac Series 355 is a significant investment, but it can be a rewarding experience for those who appreciate the history, craftsmanship, and driving experience of a classic pre-war automobile. Do your research, be patient, and choose wisely, and you'll be rewarded with a beautiful and historically significant car.

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