30x3.5 Firestone Clincher Blackwall Tire
Many antique vehicles used clincher tires, which by design interlocked the tire's bead with a specific flange on the edge of the rim. These Firestone Vintage Bias Ply X Tread Clincher tires are an excellent premium fitment. The tires are available in All White or All black rubber compounds and feature a great looking non skid tread design. These tires are made in original molds and feature authentic Firestone lettering embossed in the sidewall. Firestone is the world's best selling line of vintage bias ply tires. These tires are DOT and ECE (European Community) approved where applicable, and backed by our life of the tread warranty.
Blackwall Tire
Since the introduction of carbon black rocked the tire industry, the original recipe for most tires has been a solid black sidewall. For classics and collector cars alike, it's hard to beat the no-nonsense appeal of a classic blackwall style tire. British sports car, classic truck and even hot rod enthusiasts love the way a nice period correct blackwall tire looks on their vehicles.
Bias Ply Construction
Bias ply tire construction is a method that was used from the 1900's through the 1970's on passenger cars and light trucks. Bias ply tires feature ply cords that run at a 45 degree angle to the bead, and overlap in a crisscross pattern, depending on how many ply layers are used. This creates a strong tire, but bias ply tires have a tendency to follow breaks or ruts in the pavement. Bias ply tires are the most authentic choice for classic car restorations and traditional hot rod builds. Coker Tire offers a huge variety of bias ply tires for many applications.
Firestone Clincher Tires
Firestone bias ply tires are built to fit many styles of antique automobiles, and this product line features fitment for clincher style rims. This style of tire works on certain automobiles, as well as motorcycles from the 1900’s and into the 1920’s.
Firestone Tires for Collector Vehicles
The vintage line of Firestone tires fits a wide range of cars, trucks and motorcycles built from the 1900's through the 1970's. Firestone Non Skid tires, Firestone Deluxe Champion tires, Firestone Wide Oval tires and many more famous styles and sizes are available to fit military vehicles, motorcycles and classic commercial trucks. With whitewalls, redlines, raised white letters and other classic sidewall styles, this product line is one of the most extensive and popular brands for classic cars.
Please Note
- Tire mounted on wheel for demonstration purposes only. Wheel and other accessories are not included. Please note that dimensions listed (tread width, section width and overall diameter) are non-scientific and based on an inflated tire, mounted to a wheel. Dimensions may vary due to rim width and inflation pressure.
| SKU | 793850 |
|---|---|
| Weight | 15.000000 |
| Construction Ply | 4 PLY NYLON |
| Brand | Firestone |
| Product Size | 30x3.5 |
| Rim Diameter | 23 inch |
| Tire Construction | Bias Ply |
| Tire Series | Firestone Clincher |
| Sidewall Style | Blackwall |
| Max Load Capacity (LBS) | 800@65 psi |
| Overall Diameter (IN) | 31.3 |
| Availability Date | 2027-06-14T00:00:00Z |
This Firestone Clincher | All Black comes in the 30X3.5 size, suitable for the classic and collector vehicles listed below.
About the 30X3.5 Tire Size
The 30X3.5 tire size is associated with a range of early brass-era vehicle applications spanning 1904 through 1910, including select Buick, Cadillac, Ford, Oldsmobile, and Studebaker models. This Firestone Clincher | All Black | 30X3.5 pairs that 30X3.5 sizing with a bias ply, all black clincher-style tire format that matches the product naming and period-correct style of these applications. For more detailed information on this tire size, explore the 30X3.5 tire on Coker Tire Fitment Guide.
Vehicle Fitment for the Firestone Clincher | All Black | 30X3.5
The Firestone Clincher | All Black | 30X3.5 is available in a tire size associated with a range of classic and collector vehicles. The vehicle applications below are organized by year, make, and model to help identify vehicles associated with the 30X3.5 size. Explore the linked Make & Model and Year Make & Model pages for more detailed fitment information.
Fitment information should be verified for the specific vehicle before purchase. Confirm tire size, wheel fit, load requirements, overall diameter, and available clearance.
1904–19055 makes · 9 fitments
The 1904–1905 period includes 30X3.5 applications across Buick, Cadillac, Ford, Oldsmobile, and Studebaker. These early fitments cover a compact group of brass-era vehicles associated with this tire size.
Buick
Buick applications in this period include the Model B and Model C.
Cadillac
Cadillac applications in this period include the Model B and Model F.
Ford
Ford fitment in this period is represented by the Model F.
Oldsmobile
Oldsmobile fitment in this period is represented by the Light Tonneau.
Studebaker
Studebaker applications in this period include the Model C and Series 9502.
1906–19105 makes · 18 fitments
The 1906–1910 period includes a broader range of 30X3.5 applications spanning Buick, Cadillac, Ford, Oldsmobile, and Studebaker. These applications cover multiple make and model combinations tied to this tire size during the later brass-era years shown here.
Buick
Buick applications in this period include the Model F and Model G.
Cadillac
Cadillac applications in this period include the Model M and Model T.
Ford
Ford applications in this period include the Model F and Model T.
Oldsmobile
Oldsmobile fitment in this period is represented by the Model L.
Studebaker
Studebaker fitment in this period is represented by the Series 9502.
Frequently Asked Questions
Fitment & Compatibility â–¼
The Firestone Clincher All Black 30x3.5 is designed specifically for vehicles equipped with true clincher-style rims. Clincher wheels use a unique rim profile that mechanically locks the tire bead into the wheel, which differs significantly from modern drop-center wheel designs. Before purchasing, confirm that your vehicle retains original clincher wheels or properly restored clincher-compatible rims.
Many brass-era automobiles, early touring cars, and certain motorcycles from the 1900s through the 1920s used clincher wheels. Because clincher and modern rim designs are not interchangeable, verifying wheel type is one of the most important fitment checks. Proper rim identification should always be completed before installation.
The Firestone Clincher All Black 30x3.5 is intended for antique vehicles from the earliest decades of motoring. Vehicles produced during the brass-era and early vintage periods frequently relied on clincher wheel technology before more modern bead-seat wheel designs became standard throughout the automotive industry.
Certain antique automobiles, early commercial vehicles, and some motorcycles from the 1900s through the 1920s may use this tire size and construction style. Vehicle owners should compare existing tire markings, wheel specifications, and restoration documentation to ensure compatibility. Matching the original tire design helps maintain both authentic appearance and period-correct driving characteristics.
The most reliable method is comparing the existing tire size stamped on your vehicle's current clincher tire. The Firestone Clincher All Black 30x3.5 follows a vintage sizing format that differs from modern metric tire sizing systems commonly used today.
Owners should inspect original factory literature, restoration manuals, wheel documentation, or existing tire sidewalls for confirmation. Using the correct size helps preserve original ride height, steering geometry, and vehicle stance. Selecting a significantly different diameter can affect speedometer accuracy, ground clearance, and overall appearance, making proper size verification especially important on restoration projects.
Tire Size Equivalents & Conversions â–¼
The 30x3.5 designation follows a traditional vintage tire sizing format commonly used before modern metric tire systems became widespread. In this format, the first number generally refers to the overall tire diameter while the second number represents the approximate tire width.
Unlike modern sizing systems that specify aspect ratios and wheel diameters separately, vintage sizing formats provide a more simplified representation of tire dimensions. Understanding this format helps restoration enthusiasts compare existing tires and maintain factory-correct sizing. Matching the original size helps preserve vehicle stance, ride height, and historical appearance.
Any meaningful change in tire diameter can influence speedometer readings because the speedometer measures wheel rotations rather than actual road speed. A larger tire covers more distance per revolution, while a smaller tire covers less distance.
When replacing an existing 30-inch tire with another 30-inch tire, speedometer behavior should remain relatively consistent. However, owners switching from non-original tire sizes may notice differences. Preserving factory diameter is generally the best approach for maintaining original gearing characteristics and minimizing speedometer inaccuracies on antique vehicles.
Tire size plays a major role in preserving the intended proportions and driving characteristics of an antique vehicle. Even modest dimensional changes can alter ride height, fender clearance, steering response, and the visual relationship between the wheels and body.
Authenticity-focused restorations often emphasize maintaining original specifications wherever practical. The Firestone Clincher All Black 30x3.5 allows owners to replicate the appearance and functionality expected during the vehicle's era. Proper sizing helps support accurate stance, predictable fitment, and a more historically faithful restoration outcome.
Performance & Use Case â–¼
The Firestone Clincher All Black 30x3.5 is designed to deliver the driving characteristics expected from an authentic bias ply clincher tire. Owners can expect a period-correct driving experience that prioritizes originality and historical accuracy rather than modern handling performance. The narrow profile and vintage construction contribute to the steering feel commonly associated with early automobiles.
Compared with modern radial tires, the Firestone Clincher All Black 30x3.5 may feel more responsive to road contours and pavement imperfections. This behavior is normal for vintage bias ply construction and is often considered part of the authentic ownership experience for brass-era and early vintage vehicles.
Many antique vehicle owners use historically correct tires for tours, exhibitions, parades, and organized driving events. The Firestone Clincher All Black 30x3.5 supports these activities while maintaining the authentic appearance and construction valued by restoration enthusiasts.
For longer drives, proper inflation, wheel condition, and vehicle maintenance become increasingly important. Bias ply tires can generate more heat than comparable modern radial designs during extended operation. Regular inspections and adherence to appropriate operating practices help support reliable performance during vintage motoring events and collector vehicle gatherings.
Construction, Durability & Load Capacity â–¼
The Firestone Clincher All Black 30x3.5 uses traditional bias ply construction, a design commonly found on passenger vehicles before radial tires became dominant. Bias ply tires utilize overlapping cord layers arranged diagonally across the tire structure.
This construction creates a tire that reflects original driving characteristics and visual authenticity. For antique vehicle restorations, bias ply construction helps preserve the steering feel, ride behavior, and appearance expected from the vehicle's original configuration. It remains the preferred choice for many historically accurate restoration projects.
The Firestone Clincher All Black 30x3.5 is intended for collector vehicle applications where authenticity and proper fitment are priorities. When installed correctly and maintained appropriately, it can provide dependable service for antique vehicle operation and enthusiast activities.
Durability depends heavily on operating conditions, inflation practices, wheel condition, storage environment, and maintenance habits. Antique vehicle owners should regularly inspect tires for signs of wear, age, or damage. Preventive maintenance plays a significant role in maximizing tire service life and preserving performance.
Installation & Maintenance â–¼
Before installing the Firestone Clincher All Black 30x3.5, confirm that your vehicle uses genuine clincher-style wheels. Clincher tires require a specific rim design that differs from modern drop-center wheels, and compatibility should be verified before any mounting work begins.
It is also important to inspect wheel condition, rim integrity, spoke condition where applicable, and overall wheel alignment. Antique wheels may have experienced decades of use, storage, or restoration work. Addressing wheel-related issues before installation helps support proper tire seating, consistent performance, and long-term reliability.
The best ownership experience begins with proper fitment, professional installation, and ongoing maintenance. Matching the Firestone Clincher All Black 30x3.5 to the correct clincher wheel application helps preserve authenticity while supporting predictable performance and appearance.
Owners should also maintain proper inflation, perform regular inspections, monitor vehicle alignment, and store the vehicle appropriately when not in use. Understanding the characteristics of bias ply construction and antique vehicle operation helps set realistic expectations. With proper care, the tire can complement both the historical character and enjoyment of a well-preserved collector vehicle.
