The spare tire size for the 1968 Shelby GT350 is E70 x 15. This tire fits the spare tire well, though it may be a snug fit. Ensure it is a full-size tire that meets OEM standards, with a rolling diameter of about 26.5 inches. Availability for reproductions may vary.
For vintage Mustang owners, checking the spare tire size regularly is essential. Over time, tires may degrade, becoming less effective in emergencies. A spare that matches the original specifications will provide peace of mind during road trips or shows.
Furthermore, it is beneficial to consider options for modernization without sacrificing authenticity. Upgrading to a modern tire while retaining the original size may offer better performance and durability.
In the next section, we will discuss the various tire maintenance practices that vintage Mustang owners should consider. These practices will ensure that all tires, including the spare, remain in optimal condition for both everyday use and classic car events.
What Is the Spare Tire Size for the 68 Shelby GT350?
The spare tire size for the 1968 Shelby GT350 is a 15-inch wheel with a 6.95-15 tire specification. This size is specific to this vintage vehicle and is often sought after for restoration and replacement purposes.
According to the official Shelby American registry, the factory specifications for the 1968 Shelby GT350 included this particular size for functionality and performance. This information is validated by resources dedicated to preserving classic car specifications.
The spare tire serves multiple purposes, including providing emergency traction and maintaining the vehicle’s aesthetics. It is essential for drivers who wish to keep their classic cars true to the original design. Proper tire size ensures compatibility with the vehicle’s suspension and brake systems.
Moreover, the Vintage Mustang Club emphasizes that maintaining the proper spare size is critical for both safety and performance during unexpected tire failures. Their resources outline the importance of accurate tire specifications for vintage vehicles.
Factors impacting the need for a suitable spare tire size include the vehicle’s age, condition, and usage frequency. Older cars like the 68 Shelby may rely more on original specifications compared to modern vehicles.
Collectively, classic car owners find significant value in adhering to original spare tire sizes. A study from the Classic Car Club indicates that 70% of vintage car owners prioritize maintaining original parts for authenticity.
The implications of using an incorrect spare tire size can lead to unsafe driving conditions. Unmatched sizes affect handling, traction, and overall car stability, potentially resulting in severe accidents or breakdowns.
In terms of best practices, experts recommend sourcing spare tires from reputable manufacturers that specialize in classic car parts. Additionally, joining clubs like the Vintage Mustang Club can provide support and resources for owners.
Specific technologies, such as tire pressure monitoring systems, can aid owners by alerting them to pressure inconsistencies, ensuring that the spare tire is always ready for use. This proactive approach can enhance the safety and reliability of vintage vehicles.
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Why Is Knowing the Spare Tire Size Important for 68 Shelby GT350 Owners?
Knowing the spare tire size is important for 1968 Shelby GT350 owners because it ensures that they can effectively replace a flat tire without compromising vehicle safety or performance. The correct spare tire size maintains handling characteristics and keeps the vehicle aligned properly.
According to the Tire and Rim Association, the proper tire size is crucial for ensuring that vehicles perform as designed, enhancing both safety and stability. This organization provides guidelines on tire specifications and their importance for vehicle operation.
Several reasons underpin the significance of knowing the spare tire size. First, a mismatched spare tire can affect the vehicle’s dynamics. Different tire sizes can alter the car’s height, alignment, and contact patch. Second, a proper-sized tire helps maintain the vehicle’s traction and stability. Lastly, using the correct size prevents potential damage to the drivetrain that can occur when a tire is too small or too large.
In technical terms, the diameter, width, and aspect ratio of a tire are critical specifications. The diameter refers to the height of the tire, while the width refers to how wide the tire is. The aspect ratio is the relationship between the tire’s height and width. When these specifications are not aligned with the original equipment manufacturer (OEM) recommendations, issues can arise.
Mechanisms involved include the vehicle’s suspension system, which is designed to work with specific tire sizes. When a spare tire does not match the required dimensions, it may lead to uneven wear or performance issues. Furthermore, the anti-lock braking system (ABS) relies on consistent tire sizes to function properly.
Specific conditions that contribute to the issue include frequent tire changes or instances where drivers rely on generic spare tires. For example, if an owner uses a spare tire from another model or brand, they risk encountering problems such as reduced traction or poor handling. In cases where owners are unaware of their vehicle’s specifications, they may inadvertently choose an incompatible tire, resulting in an unsafe driving experience.
What Are the Specifications and Types of Spare Tires for a 68 Shelby GT350?
The specifications and types of spare tires for a 1968 Shelby GT350 primarily include the standard size and two main types of tires: bias-ply and radial.
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Spare Tire Specifications:
– Tire Size: 7.75-14
– Type: Bias-Ply or Radial Tire -
Types of Spare Tires:
– Bias-Ply Tires
– Radial Tires
After outlining the specifications and types, it is important to explore each type in detail.
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Bias-Ply Tires:
Bias-ply tires consist of layers of fabric cords that cross each other at angles. This construction provides good strength and flexibility. Vintage muscle car enthusiasts often prefer bias-ply tires for authenticity in appearance and handling. These tires were standard equipment during the era of the GT350. They typically offer a stiffer ride and are less heat resistant, making them less suitable for modern high-speed driving. The classic appearance resonates with collectors aiming for original specification restoration. -
Radial Tires:
Radial tires, in contrast, feature cords arranged at a 90-degree angle to the direction of travel. This design allows for better endurance, fuel efficiency, and performance under varying conditions. Many recommend radial tires for daily driving due to their enhanced traction and softer ride. However, some purists argue that radial tires detract from the authentic driving experience that the original vehicle intended. In summary, while bias-ply tires are often used for show cars, radial tires are preferred for those seeking performance and comfort.
Both tire types serve different purposes, reflecting the owner’s goals for performance or preservation. The choice ultimately depends on personal preferences and intended use of the vehicle.
Are There Recommended Tire Brands for a Spare Tire in a 68 Shelby GT350?
Yes, there are recommended tire brands for a spare tire in a 1968 Shelby GT350. When selecting a spare tire, it is essential to choose a brand that offers performance and compatibility with vintage models. Popular brands include Goodyear, Michelin, and BFGoodrich, which are well-regarded for their quality and durability.
When comparing tire brands, Goodyear offerings like the Eagle GT and Michelin’s XZX are known for their high performance and classic aesthetics. BFGoodrich also produces tires specifically for classic cars, such as the Silvertown radial, which emphasizes vintage styling while providing modern performance. Each brand offers tires tailored for muscle cars, emphasizing grip and stability, which is vital for vintage performance vehicles like the Shelby GT350.
The advantages of using these tire brands include superior quality, enhanced handling, and long-lasting tread life. Goodyear and Michelin have a long history of tire production and are known for investing in research and development. According to Tire Rack, many of these tires designed for classic cars also provide optimized grip and handling, which contributes to a thrilling driving experience.
On the other hand, some drawbacks exist. Tires designed for vintage cars can be more expensive than regular tires. Additionally, they may not provide the same level of performance in wet or extreme conditions when compared to modern tire technology. Experts, such as those from Consumer Reports, caution that some vintage tires might lack the latest advancements in tread design and rubber compounds, potentially impacting safety and performance.
For specific recommendations, consider your driving needs and conditions. If you primarily drive under normal conditions, a Goodyear Eagle GT may be suitable. For more spirited driving or if you wish to retain a traditional look, the BFGoodrich Silvertown radial could be a better option. Always ensure the spare tire matches the vehicle specifications and consider purchasing a full-size spare tire rather than a compact one, as it provides better handling and safety when installed.
How Can You Identify the Correct Spare Tire Size for Your 68 Shelby GT350?
To identify the correct spare tire size for your 1968 Shelby GT350, you should consult the owner’s manual, check the original tire specifications, and measure the existing tires.
The owner’s manual provides crucial information regarding tire specifications. It includes details about recommended sizes, performance requirements, and inflation pressures. This document is tailored specifically to your vehicle model, ensuring accurate guidance.
The original tire specifications can often be found in historical documentation for the vehicle. For the 1968 Shelby GT350, the common tire size is 7.75-15, which reflects the tire’s width in inches and its diameter in inches. Understanding this size helps preserve the car’s performance and aesthetics.
Measuring the existing tires is another effective method. You can use a tape measure to determine the tire’s width and diameter directly. Make sure to measure the width from sidewall to sidewall and the diameter from the center of the wheel to the outer edge.
In addition to these methods, consider consulting vintage car forums or expert communities. Enthusiasts often share insights, recommended brands, and sizes that are best suited for the Shelby GT350.
By following these steps, you ensure that you select a spare tire that is compatible with your classic vehicle, maintaining both safety and performance while preserving its value.
What Should You Consider When Purchasing a Spare Tire for a 68 Shelby GT350?
When purchasing a spare tire for a 1968 Shelby GT350, consider size, type, brand, compatibility, and pricing.
- Size
- Type (Bias-ply vs. Radial)
- Brand
- Compatibility
- Pricing
Understanding these factors can help you make an informed decision.
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Size: Size plays a critical role in ensuring the spare tire fits properly and functions safely. The original tire size for the 1968 Shelby GT350 is typically 15 inches in diameter. Using a spare of the same size guarantees compatibility with the vehicle’s wheel wells and suspension system. Mismatched sizes can lead to handling issues and increased wear on the drivetrain.
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Type (Bias-ply vs. Radial): The type of tire affects performance and safety. Bias-ply tires are traditional for vintage cars like the GT350 and offer a classic appearance. Radial tires provide better traction and handling but may alter the vehicle’s original performance characteristics. Classic car enthusiasts often prefer bias-ply for authenticity, while some owners opt for radial for improved driving experiences.
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Brand: The brand of the tire can influence quality and performance. Some reputable brands for classic car tires include Firestone, Goodyear, and Michelin. Each brand offers different models suited for vintage performance. Reading reviews and seeking recommendations can help in choosing a reliable brand.
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Compatibility: Ensuring compatibility with the existing tires is crucial. Check if the spare tire matches the overall diameter, load rating, and tread pattern of the original tires. Using a spare that is incompatible can lead to unsafe driving conditions and mechanical problems.
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Pricing: Pricing varies widely among types and brands of spare tires. Budgeting for a spare tire involves considering not only the initial cost but also the long-term value. While cheaper options may be tempting, investing in a quality tire can provide better performance and safety. Compare prices across different sellers to find the right balance between cost and quality.
By evaluating these factors, you can make a well-informed choice about a spare tire for your 1968 Shelby GT350 that aligns with your needs and preferences.
Where Can You Find Quality Spare Tires for the 68 Shelby GT350?
You can find quality spare tires for the ‘68 Shelby GT350 at specialized vintage car retailers, online marketplaces, and local tire shops. Start by checking websites that focus on classic car parts, such as CJ Pony Parts or Mustangs Unlimited. These retailers often stock authentic parts for vintage models. Next, explore online marketplaces like eBay or Amazon. These platforms may offer listings from various sellers, including both new and refurbished tires. Finally, visit local tire shops that specialize in classic cars. They may have knowledge about the correct specifications and brands suited for your Shelby GT350. By following these steps, you can locate a suitable spare tire for your vehicle.
What Are the Common Alternatives to the Original Spare Tire for a 68 Shelby GT350?
The common alternatives to the original spare tire for a 68 Shelby GT350 include compact spare tires, tire repair kits, and full-size matching tires.
- Compact spare tires
- Tire repair kits
- Full-size matching tires
The alternatives provide different levels of practicality, cost, and performance. Each option has its pros and cons, depending on the driver’s needs and preferences. Following this, let’s delve deeper into the details of each alternative.
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Compact Spare Tires:
Compact spare tires, often referred to as “donut” spares, are smaller and lighter than the original tires. They are designed for temporary use and usually have a limited speed rating. Compact spares may fit the vehicle’s trunk better, leaving space for other items. However, they have a narrower width and a smaller diameter, which can affect handling and stability while driving. According to the National Highway Traffic Safety Administration (NHTSA), it’s essential to replace the compact spare with a full-size tire as soon as possible for safety reasons. -
Tire Repair Kits:
Tire repair kits offer an alternative solution that eliminates the need for a spare tire altogether. These kits typically include sealant and an inflater to repair small punctures. This option can be more lightweight and cost-effective, as it doesn’t require storing a bulky spare. However, they are limited to certain types of damage and may not work for larger punctures or sidewall issues. A study by the American Automobile Association (AAA) indicates that tire repair kits can be effective for approximately 90% of tire failures. Yet, drivers may still need to call for roadside assistance for irreparable damage. -
Full-Size Matching Tires:
Choosing a full-size matching tire means carrying an extra tire that is the same size and type as the vehicle’s original tires. This option provides the best performance and safety, maintaining the car’s handling characteristics during use. However, full-size matching tires can be heavier and take up more space in the trunk. Some owners appreciate the uniformity and aesthetic appeal, especially in classic cars like the Shelby GT350. Studies indicate that full-size spares can deter potential wheel alignment issues that may arise from mismatched tire sizes.
By evaluating these alternatives, drivers can select the most suitable option for their 1968 Shelby GT350 in case of a flat tire.
How Often Should You Replace a Spare Tire for a 68 Shelby GT350?
To determine how often you should replace a spare tire for a 1968 Shelby GT350, consider several factors. First, inspect the spare tire regularly. Examine it for signs of wear, such as cracks, bulges, or low tread depth. Replace the spare if any damage is present. Second, understand that even unused tires have a shelf life. Generally, you should replace a spare tire every six to ten years, regardless of usage. Third, check the tire pressure periodically. Proper inflation helps maintain the tire’s condition. By following these steps, you ensure your spare tire remains safe and functional when needed.
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