Windsor 92 Series Tires

Windsor 92 Series automobiles came from Chrysler's late-1920s to early-1930s push to offer a well-finished mid-priced car with modern styling and strong road manners for the period. The Windsor 92 Series sits squarely in the pre-war era, when wheel and tire standards were still evolving and many restored cars have changed details over the decades. Tire selection for Windsor 92 Series fitment is not as simple as reading one number off the sidewall, because the listed sizes use two different naming systems and they do not describe the wheel in the same way. Before choosing a tire, confirm whether the car carries a 19-inch rim and verify which of the two period sizes matches the wheels actually on the car.

Windsor 92 Series Tire Size Guide

Windsor 92 Series fitment spans 2 distinct tire sizes across the 1929 to 1931 model years. One of those sizes uses the antique diameter-by-section format, where the leading number is the tire's outside diameter rather than the wheel diameter. That distinction matters here, because 31X6.20 and 650-19 describe tire dimensions in different ways even though both were used on Windsor 92 Series applications in this period.

31X6.201929, 1931Antique diameter-by-section

31X6.20 is an antique-format size used on 1929 and 1931 Windsor 92 Series applications. In this format, 31 indicates an overall tire diameter of about 31 inches and 6.20 indicates the nominal section width, while the wheel diameter is not contained in the size code itself. Choose 31X6.20 only after verifying the actual wheel and original fitment details on the car, because this format requires close wheel-by-wheel confirmation.

650-191929, 1931Numeric bias-ply

650-19 is a numeric bias-ply size used on 1929 and 1931 Windsor 92 Series applications. The 650 indicates a nominal section width of roughly 6.50 inches, and the 19 indicates a 19-inch rim diameter, with available products built as bias-ply tires for 19-inch wheels. Choose 650-19 when the car is equipped for that 19-inch fitment and period bias-ply construction is the goal; a tube is required.

Windsor 92 Series Tires by Year

The year listing below shows which tire sizes appear for each Windsor 92 Series model year and helps narrow the search before comparing individual tire types. The leading number in 31X6.20 is the tire's outside diameter, not the wheel size, while 650-19 clearly identifies a 19-inch rim. These early pre-war Windsor 92 Series applications are best confirmed against original vehicle paperwork or a knowledgeable marque specialist when the car's wheels or running gear may have changed over time.

Best Windsor 92 Series Tires for Sale

Available Windsor 92 Series tires cover 2 sizes across 7 products from 3 brands. Blackwall and wide whitewall choices are offered, so confirm the correct size and 19-inch rim diameter before selecting.

650-19 Products

These are the available products for 650-19.

Bias Ply

Firestone | 650-19

Firestone - Firestone Classic Bias Ply

SidewallBlackwall
Rim Diameter19 in
Rim Width—
Weight28 lb
Max Load—
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Bias Ply

Lester Wide Whitewall | 650-19

Lester - Lester Classic Bias Ply

SidewallWide Whitewall
Rim Diameter19 in
Rim Width—
Weight32 lb
Max Load—
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Bias Ply

Firestone Balloon | 650-19

Firestone - Firestone Balloon

SidewallBlackwall
Rim Diameter19 in
Rim Width3.25 - 3.50 in
Weight28 lb
Max Load—
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Bias Ply

Firestone Balloon 3.50 Inch Whitewall | 650-19

Firestone - Firestone Balloon

SidewallWide Whitewall
Rim Diameter19 in
Rim Width3.25 - 3.50 in
Weight31 lb
Max Load1430@36 psi
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Bias Ply

Excelsior Comp H | 650-19

Excelsior - Comp H

SidewallBlackwall
Rim Diameter19 in
Rim Width3.25 - 4.25 in
Weight28 lb
Max Load—
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Bias Ply

Firestone 3.50 Inch Whitewall | 650-19

Firestone - Firestone Classic Bias Ply

SidewallWide Whitewall
Rim Diameter19 in
Rim Width—
Weight28 lb
Max Load—
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Bias Ply

Lester | 650-19

Lester - Lester Classic Bias Ply

SidewallBlackwall
Rim Diameter19 in
Rim Width—
Weight29 lb
Max Load—
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Frequently Asked Questions

The FAQ below focuses on Windsor 92 Series fitment questions that matter most for pre-war buyers, including how to interpret 31X6.20 versus 650-19, when inner tubes are part of the setup, and how to choose among available brands and sidewall styles.

Size Basics & Fitment

Windsor 92 Series applications in this range use two tire sizes: 31X6.20 and 650-19. The 31X6.20 size appears for 1929 and 1931 Windsor 92 Series listings, and 650-19 also appears for 1929 and 1931 Windsor 92 Series listings. For 650-19, the available products are built for 19-inch rims. The 31X6.20 code does not state the wheel diameter in the size itself, so that fitment needs wheel confirmation on the car.

The practical takeaway is that year alone does not settle the question for a Windsor 92 Series. Start with the wheel currently on the car, then compare the sidewall marking, wheel diameter, and any surviving factory or restoration records. If the car has been restored over many decades, the wheel set may no longer match what the body year suggests. Treat the year listing as the first step, then verify the actual wheel and tire specification before choosing a replacement.

On a Windsor 92 Series, 31X6.20 is an antique diameter-by-section size. The 31 refers to the tire's overall outside diameter in inches, and the 6.20 refers to the nominal section width. That first number is not the wheel diameter, which is why this format can confuse modern buyers who are used to later numeric or metric sizing systems.

That difference matters because a buyer can easily mistake 31 for the rim size, and that would lead to the wrong tire search. With a Windsor 92 Series, the correct approach is to inspect the actual wheel, compare any existing tire markings, and check period reference material for the specific car. Antique-format tires also belong to an era when wheel, tube, and rim details all mattered more than they do on later collector cars, so careful verification is part of getting the fitment right.

Windsor 92 Series tires in 650-19 use a 19-inch rim diameter. Windsor 92 Series listings also include 31X6.20, but that antique-format size does not reveal the rim diameter in the size code itself because the leading number is the tire's outside diameter rather than the wheel size. That means the model group can appear to have one clear rim size and one size that still requires direct wheel confirmation.

For a buyer or restorer, the safest step is to measure the wheel or read the wheel stamp rather than relying on a modern guess from the sidewall code alone. Pre-war cars often passed through multiple owners, and wheel swaps were not unusual over time. If the car currently wears 650-19 tires, the 19-inch rim is straightforward. If it wears or calls for 31X6.20, confirm the wheel first and then match the tire to that verified rim and the intended period-correct appearance.

Windsor 92 Series tires in the available range are bias-ply applications, and 650-19 is offered only in bias-ply construction. On this type of pre-war fitment, a tube is required for the 650-19 size. The same tube-minded approach is appropriate when dealing with antique-format fitments such as 31X6.20, since these early tire systems were built around period wheel and tube arrangements rather than modern tubeless practice.

Inner tube selection is not just an accessory decision on a Windsor 92 Series; it is part of making the tire function properly on the wheel. Buyers should make sure the tube matches the tire size range and wheel type, and the rim itself should be clean and suitable for service before mounting. On an infrequently driven pre-war car, tubes, flaps where required, and wheel condition deserve the same attention as the outer tire because any weakness in the assembly can affect reliability.

Buying the Right Tire

A 1929 Windsor 92 Series can be associated with both 31X6.20 and 650-19, so the correct tire is determined by the wheel and the car's actual configuration rather than year alone. Start by checking the size marked on the tire currently fitted, then verify the wheel diameter directly. If the car has older restoration paperwork, factory literature, or long-term ownership records, those can help tie the current wheel set to the proper period fitment.

That process matters because a 1929 Windsor 92 Series may have received replacement wheels or later service parts during its life. Once the wheel diameter and existing setup are confirmed, choose the tire construction and sidewall style that suit the car's intended use and restoration goals. If the car is judged, parade-driven, or shown regularly, the details of sidewall appearance may be nearly as important as the size itself.

Windsor 92 Series tires in the available 650-19 range come in both blackwall and wide whitewall styles. Blackwall options are offered by Firestone, Lester, and Excelsior, while wide whitewall versions are also available in Firestone and Lester lines. That gives buyers a choice between a more restrained period look and a brighter whitewall presentation within the same nominal size.

For a Windsor 92 Series restoration, sidewall style should match the era, the way the car is trimmed, and the owner's authenticity goals. A blackwall often suits a more utilitarian or understated presentation, while a wide whitewall creates a stronger visual statement associated with many premium pre-war restorations. If the car is being prepared for judged events, compare the chosen sidewall treatment against period photography, surviving examples, and marque-club guidance rather than selecting on appearance alone.

Windsor 92 Series tire offerings in the current range come from Firestone, Lester, and Excelsior. Firestone appears in both classic bias-ply and Balloon-series versions for 650-19, Lester offers both blackwall and wide whitewall choices, and Excelsior appears in the Comp H series. Those brand and series differences mainly affect appearance, construction family, and period presentation rather than changing the underlying 650-19 fitment.

Choosing among brands for a Windsor 92 Series usually comes down to how closely the tire matches the character of the restoration. Some owners prefer a traditional blackwall touring look, while others want a wide whitewall to complement bright trim and show presentation. Once the correct size is settled, compare the sidewall style and series type so the finished car looks coherent from wheel to body rather than simply wearing any tire that happens to fit.

Windsor 92 Series offerings include several distinct series names in 650-19: Firestone Classic Bias Ply, Lester Classic Bias Ply, Firestone Balloon, and Excelsior Comp H. All of them are bias-ply tires, but the series names separate the products into different period-style families and visual treatments. Firestone Balloon specifically points to a balloon-era style, while the classic bias-ply lines present a more general period-correct bias-ply construction choice.

For a Windsor 92 Series owner, those series differences matter most when the goal is a historically convincing look. A balloon-style tire may better suit a restoration focused on the late-1920s and early-1930s transition in tire design, while another owner may simply want a traditional bias-ply appearance with either blackwall or wide whitewall sidewalls. After confirming the right size, choose the series that best matches the car's build date, wheel setup, and restoration philosophy.

Maintenance & Longevity

A Windsor 92 Series should be stored in a cool, dry, dark space with the tires kept away from direct sunlight, electric motors, ozone sources, and petroleum contamination. Tire pressures should be checked before storage and maintained during the off-season so the carcass does not sit underinflated. On a low-use pre-war car, the goal is to reduce flat spotting, sidewall stress, and age-related deterioration rather than simply preserving tread depth.

If the Windsor 92 Series will sit for long periods, move it slightly from time to time or place it on supports that relieve prolonged load from the tires. Keep the car clean and avoid parking on damp concrete or bare ground for months at a time. Because pre-war bias-ply tires and tube-type assemblies are more sensitive to long idle periods than modern radials, regular storage checks are part of protecting both the tire and the wheel assembly.

Tires on a Windsor 92 Series should be inspected before every drive and more thoroughly several times each season, even if the car covers very few miles. Look for sidewall cracking, tread separation, impact damage, uneven wear, and signs that the tube or rim may be causing trouble such as unexplained pressure loss. On a pre-war collector car, age and storage conditions often matter more than mileage.

That routine is especially important because a Windsor 92 Series may spend much of its life on display, in transit to events, or moving only occasionally. A tire can appear acceptable at a glance yet still be developing age-related weakness that deserves attention. Include the spare in the inspection schedule, and make wheel, valve stem, and inflation checks part of the same habit so the whole assembly is ready when the car leaves the garage.

A Windsor 92 Series tire should be replaced when age, cracking, hardening, casing distortion, puncture history, or any sign of structural weakness makes continued service questionable, even if the tread still looks usable. Collector cars often age out tires long before they wear them out. That is especially true on pre-war bias-ply applications, where long storage intervals and low annual mileage can hide deterioration that only a close inspection reveals.

Owners should not judge a Windsor 92 Series tire by tread depth alone. If there is any concern about age, have the tire and tube assembly evaluated by a specialist familiar with early collector vehicles. If an older period tire is part of the car's presentation, keep in mind that appearance and roadworthiness are separate issues, and replacement for driving use may be the wiser path even when a tire still looks historically appealing.

Restoration & Authenticity

Windsor 92 Series listings in this range include both 31X6.20 and 650-19, and the available replacement families include classic bias-ply and balloon-type bias-ply products. That indicates more than one period-style tire approach is relevant to Windsor 92 Series fitment rather than a single universal answer for every car. The specific original setup depends on the individual car's year, wheel equipment, and restoration history.

For an authenticity-focused Windsor 92 Series restoration, the best reference is the car's own surviving evidence combined with factory literature and marque-club sources. Tire sizing conventions were in transition during this era, so a later replacement choice may still look period yet not match the exact original presentation. Before committing to a finished restoration, compare the wheel diameter, sidewall treatment, and tire series style to the standard you are trying to represent.

Correct tire fitment can absolutely affect the presentation, judging results, and perceived quality of a Windsor 92 Series restoration. Size, sidewall style, and overall period character all shape how authentic the car appears at a glance, and judges or experienced enthusiasts will often notice if the tire profile or sidewall treatment looks out of era. On a pre-war car, those visual details are a meaningful part of the restoration story.

For owners concerned with value, the important point is consistency. A Windsor 92 Series that wears tires matching its wheel size, era, and restoration intent generally presents better than one fitted with a convenient but visually incorrect substitute. If the car is headed for formal judging, use marque-club standards and period photos as the benchmark, because those sources usually carry more weight than modern preference when authenticity is being evaluated.

Windsor 92 Series tire offerings in 650-19 include both blackwall and wide whitewall sidewall styles. Either can suit a pre-war restoration depending on the car's trim level, intended presentation, and the look the owner is trying to recreate. Blackwall tends toward a more restrained period appearance, while wide whitewall creates a more formal and visually prominent finish.

The correct choice for a Windsor 92 Series restoration is the one that aligns with the specific car rather than the one that draws the most attention. Study period photos of similar cars, compare them with the wheel and body treatment on your example, and decide whether the restoration is aiming for factory-like restraint or show-focused elegance. Sidewall style is one of the most visible tire decisions on a pre-war car, so it is worth settling before the final detailing stage.

Safety & Road Use

Properly selected, correctly mounted, and well-maintained period-type tires can be appropriate for public-road use in a Windsor 92 Series within the normal limitations of a pre-war automobile. The available 650-19 choices are bias-ply tires intended for vintage applications, so they should be treated as collector-car equipment rather than as modern high-speed touring tires. Safety depends on the complete condition of the tire, tube, wheel, suspension, and braking system together.

A Windsor 92 Series should be driven with the understanding that braking distances, steering response, and road feel differ significantly from later cars. Before regular road use, inspect the full running gear and make sure the tire size on the car truly matches the wheel and intended fitment. Public-road use is most sensible when the car has been carefully sorted, the tires are in sound condition, and the driver keeps speeds and route choices appropriate to the vehicle's age.

Before driving a Windsor 92 Series, check tire pressure, visible sidewall condition, tread condition, valve stems, and the security of the wheel and hub hardware. On a pre-war car, it is also wise to look for any sign of tube-related air loss, rim issues, or old impact damage that may not be obvious once the car is moving. If the car has been stored, include a quick look at brakes, steering linkage, and wheel bearings as part of the same walkaround.

That pre-drive routine matters because a Windsor 92 Series often spends long intervals parked between outings. A problem that developed quietly in storage can show up immediately once the car is loaded and rolling. Make a slow initial test drive part of the process, listening for vibration, pull, or unusual movement from the tire and wheel assemblies. Catching those signs early is far easier than dealing with them after the car is already out in traffic.

A Windsor 92 Series on period-type bias-ply tires should be driven at conservative speeds that suit both the tire design and the overall capability of a pre-war chassis. These tires are chosen for authentic vintage service, not for modern interstate-style cruising. Even when the tires are in excellent condition, the sensible speed for the car is the one that preserves steering control, braking margin, and mechanical sympathy.

In practice, that means a Windsor 92 Series is happiest on secondary roads, tour routes, and event driving where pace can remain moderate and smooth. Avoid treating the car like a modern sedan simply because traffic conditions invite higher speed. The right standard is not what the engine can pull, but what the whole vehicle can do comfortably and predictably on period-style tires while leaving a safe buffer for road irregularities and longer stopping distances.