1961 Plymouth arrived in a year when Chrysler styling was bold, space-age, and unmistakably of its moment, with full-size six- and eight-cylinder cars, practical wagons, and the compact Valiant all wearing very different tire footprints. Across the 1961 Plymouth range, four model groups use six distinct bias-ply sizes, with the Valiant on 13-inch fitments and the larger Plymouth lines on 14-inch fitments. Some sizes overlap across multiple models, while others are tied to a specific engine class or body style. The first step with 1961 Plymouth is confirming whether you have a Valiant, a full-size six- or eight-cylinder car, or a wagon, then matching the correct size and sidewall look to that model.
Which Tire Size Is Right for Your 1961 Plymouth
Six tire sizes are used across 1961 Plymouth vehicles, and they vary by model rather than carrying across the entire make. The real decision starts with identifying whether your car uses a 13-inch or 14-inch wheel, then narrowing to the correct bias-ply size for the specific model group. Understanding that distinction before choosing a product saves time and helps match the tire to the car correctly.
Year(s): 1961|Fit(s): 6 Cyl.|Construction: Bias Ply|Rim: 14 in
700-14 is a numeric bias-ply size in which the first number is the nominal section width and the final number is the wheel diameter in inches. This size is available from BFGoodrich in blackwall and narrow whitewall form, with a 14-inch fitment, a 5.00 to 5.50 inch rim width range, and load ratings of 1360 pounds at 32 psi. It is specific to the 1961 Plymouth 6 Cyl. rather than universal across the year. Choose it when your full-size six-cylinder Plymouth calls for the smaller of the 14-inch full-size fitments and you want an era-correct bias-ply look and feel.
750-14 is a numeric bias-ply size that uses a nominal section-width code with a 14-inch wheel diameter. This size is available from BFGoodrich, US Royal, and Coker Classic in blackwall, narrow whitewall, wide whitewall, and redline styles, generally for 5.00 to 5.50 inch rims, with load ratings ranging from 1500 to 1580 pounds at 32 psi. It is the most widely shared 14-inch size in the 1961 Plymouth range, covering certain six-cylinder cars, eight-cylinder cars, and wagons. Choose it when your model calls for the common mid-range full-size Plymouth fitment and you want the broadest mix of sidewall appearances.
Year(s): 1961|Fit(s): 8 Cyl., Wagon|Construction: Bias Ply|Rim: 14 in
800-14 is a numeric bias-ply size with a larger nominal section-width code and a 14-inch rim diameter. It is available from BFGoodrich and Universal Vintage Tire in blackwall, narrow whitewall, and wide whitewall styles, with 5.00 to 6.00 inch rim compatibility where specified and load ratings up to 1620 pounds at 32 psi on BFGoodrich versions. This size is specific to 1961 Plymouth 8 Cyl. cars and wagons, not the full model range. Choose it when your larger full-size Plymouth or wagon needs a fuller 14-inch fitment that suits period-correct restoration and traditional bias-ply road manners.
Year(s): 1961|Fit(s): Valiant|Construction: Bias Ply|Rim: 13 in
650-13 is a numeric bias-ply size with a nominal section-width code and a 13-inch wheel diameter. This size is available from Coker Classic and US Royal in narrow whitewall and wide whitewall styles, with a 4.50 to 5.00 inch rim width range and load ratings of 1150 pounds at 32 psi. It is specific to the 1961 Plymouth Valiant and reflects the compact car's smaller wheel package. Choose it when your Valiant calls for the narrower 13-inch fitment and you want to preserve a distinctly early-1960s compact-car look.
Year(s): 1961|Fit(s): Valiant|Construction: Bias Ply|Rim: 13 in
700-13 is a numeric bias-ply size that pairs a larger nominal section-width code with a 13-inch rim diameter. Firestone offers it with a whitewall sidewall style, a 4.00 to 5.00 inch rim width range, and a load rating of 1270 pounds at 32 psi. It is also specific to the 1961 Plymouth Valiant rather than the full Plymouth line. Choose it when your Valiant uses the larger 13-inch option and you want a stock-type bias-ply construction for compact Plymouth restoration or fair-weather driving.
Year(s): 1961|Fit(s): Wagon|Construction: Bias Ply|Rim: 14 in
850-14 is a numeric bias-ply size with the largest section-width code used in the 1961 Plymouth range and a 14-inch wheel diameter. BFGoodrich offers it in narrow whitewall and wide whitewall form, with a 5.50 to 6.00 inch rim width range and load ratings of 1740 pounds at 32 psi. This size is specific to the 1961 Plymouth Wagon and serves the heaviest-duty fitment in the group. Choose it when your wagon requires the largest original-type 14-inch bias-ply option and you want the proper visual presence for a big early-1960s hauler.
Four 1961 Plymouth model groups are covered here, and tire size changes by model rather than staying the same across the lineup. That matters because a compact Valiant, a full-size six-cylinder Plymouth, an eight-cylinder car, and a wagon can share the same year and make while using different wheel diameters and different numeric bias-ply sizes. Select your model below for model-specific fitment history and products.
1961 Plymouth 6 Cyl.
The 1961 Plymouth 6 Cyl. represents the brand's full-size entry point in a year known for dramatic Forward Look-era styling carried into a new decade. Its tires mount on 14-inch wheels, and it uses either 700-14 or 750-14 depending on the particular application within the six-cylinder range.
The 1961 Plymouth 8 Cyl. sits higher in the full-size line and typically carries a more substantial tire footprint than the six-cylinder cars. Its tires mount on 14-inch wheels, with 750-14 and 800-14 covering the eight-cylinder applications.
The 1961 Plymouth Valiant was Plymouth's compact offering, distinct from the larger full-size cars in both proportions and overall mission. Its tires mount on 13-inch wheels, using either 650-13 or 700-13 to suit the smaller compact chassis.
The 1961 Plymouth Wagon was built for passenger room and cargo duty, so it spans the widest range of full-size tire sizes in this group. Its tires mount on 14-inch wheels, and wagon applications use 750-14, 800-14, or 850-14 depending on the specific setup.
Twenty-seven products are available across six tire sizes for 1961 Plymouth vehicles. 700-14 has 2 BFGoodrich bias-ply choices in blackwall and narrow whitewall; 750-14 has 11 bias-ply choices from BFGoodrich, US Royal, and Coker Classic in blackwall, narrow whitewall, wide whitewall, and redline; 800-14 has 7 bias-ply choices from BFGoodrich and Universal Vintage Tire in blackwall, narrow whitewall, and wide whitewall; 650-13 has 4 bias-ply choices from Coker Classic and US Royal in narrow and wide whitewall; 700-13 has 1 Firestone bias-ply whitewall; 850-14 has 2 BFGoodrich bias-ply whitewall choices.
These FAQs cover how 1961 Plymouth tire sizes change between Valiant, full-size cars, and wagons, how numeric bias-ply sizing works, what sidewall styles are available, and what to check before fitting or storing a collector-era Plymouth.
Size Basics & Fitment
What tire sizes fit 1961 Plymouth vehicles?
1961 Plymouth vehicles use six numeric bias-ply sizes: 700-14, 750-14, 800-14, 650-13, 700-13, and 850-14. The 1961 Plymouth 6 Cyl. uses 700-14 or 750-14, the 1961 Plymouth 8 Cyl. uses 750-14 or 800-14, the 1961 Plymouth Valiant uses 650-13 or 700-13, and the 1961 Plymouth Wagon uses 750-14, 800-14, or 850-14. Rim diameters split between 13-inch Valiant fitments and 14-inch full-size and wagon fitments, with rim width ranges running from 4.00-5.00 inches on 700-13 up to 5.50-6.00 inches on 850-14.
That means year and make alone are not enough for a 1961 Plymouth tire choice. Start by identifying the model group and wheel diameter on the car, then compare the actual wheel width to the range that matches the size you are considering. That step is especially important on cars that may have had wheels swapped during decades of maintenance or restoration.
What does 700-14 mean on a 1961 Plymouth tire?
On a 1961 Plymouth, 700-14 is a numeric bias-ply size. The 700 number is the nominal section-width code used in period sizing, and the 14 is the wheel diameter in inches. In this application, 700-14 fits the 1961 Plymouth 6 Cyl. and mounts on a 14-inch wheel, with available products built for 5.00 to 5.50 inch rim widths and carrying 1360-pound maximum load ratings at 32 psi.
Modern buyers sometimes expect a numeric size to behave like a later metric code, but it does not. On a 1961 Plymouth, the key takeaway is that 700-14 identifies an original-style bias-ply fitment for a specific full-size six-cylinder application, not a universal Plymouth size. If your car already has 14-inch wheels, check the wheel width and compare the sidewall style options to the look you want.
Do all 1961 Plymouth models use the same tire size?
No, 1961 Plymouth models do not all use the same tire size. The Valiant uses 13-inch sizes, either 650-13 or 700-13, while the full-size 6 Cyl., 8 Cyl., and Wagon models use 14-inch sizes that range from 700-14 to 850-14. Some overlap exists, especially with 750-14 and 800-14, but several sizes are tied to just one model group.
That makes model identification the first fitment step on a 1961 Plymouth. If you know you have a Valiant, you can stay within the two 13-inch options. If you have a full-size car or wagon, confirm whether the application falls into the smaller, mid-range, or larger 14-inch fitments before narrowing by whitewall width or brand preference.
Buying the Right Tire
What sidewall styles are available for 1961 Plymouth tires?
1961 Plymouth tires are available in several period-style sidewall treatments depending on size. Across the range, you can find blackwall, narrow whitewall, wide whitewall, and redline choices. 700-14 offers blackwall and narrow whitewall; 750-14 adds wide whitewall and redline; 800-14 offers blackwall, narrow whitewall, and wide whitewall; 650-13 offers narrow and wide whitewall; 700-13 appears as a whitewall; and 850-14 comes in narrow or wide whitewall.
For a 1961 Plymouth, sidewall appearance often matters as much as size because the tire has a strong effect on the car's finished look. A Valiant often suits a smaller, cleaner whitewall presentation, while full-size Plymouths and wagons can carry broader whitewall treatments comfortably. If authenticity matters, compare your intended market style, trim level, and restoration theme before settling on the sidewall design.
What brands make tires for 1961 Plymouth vehicles?
1961 Plymouth tires are available from BFGoodrich, US Royal, Coker Classic, Firestone, and Universal Vintage Tire. Brand coverage varies by size: 700-14 is BFGoodrich, 750-14 comes from BFGoodrich, US Royal, and Coker Classic, 800-14 comes from BFGoodrich and Universal Vintage Tire, 650-13 comes from Coker Classic and US Royal, 700-13 comes from Firestone, and 850-14 comes from BFGoodrich.
That spread gives a 1961 Plymouth owner room to balance brand preference with sidewall appearance and exact size. Some sizes, especially 750-14, offer the broadest choice, while others are more narrowly served. Once you confirm the correct size, compare each brand's available whitewall or blackwall presentation first, since visual differences are often the deciding factor on collector-era cars.
What is the difference between BFGoodrich and US Royal 750-14 tires for the 1961 Plymouth?
On the 1961 Plymouth, both BFGoodrich and US Royal offer 750-14 bias-ply fitments for 14-inch wheels and both work within the same 5.00 to 5.50 inch rim width range. BFGoodrich versions carry a 1580-pound maximum load rating at 32 psi, while US Royal versions carry a 1500-pound maximum load rating at 32 psi. BFGoodrich appears in narrow whitewall form, while US Royal appears in narrow whitewall and redline form within this size.
The practical difference is less about basic fitment and more about appearance and exact specification. If you want a redline look on a 1961 Plymouth, US Royal is the path in 750-14. If you are comparing whitewall versions, pay attention to the sidewall treatment you prefer and the specific load figure that best aligns with your car's model and intended use.
Fitting & Setup
What rim width do 1961 Plymouth tires require?
Rim width requirements on 1961 Plymouth tires depend on the size. 650-13 fits 4.50 to 5.00 inch rims, 700-13 fits 4.00 to 5.00 inch rims, 700-14 fits 5.00 to 5.50 inch rims, 750-14 fits 5.00 to 5.50 inch rims, 800-14 fits 5.00 to 6.00 inch rims where specified, and 850-14 fits 5.50 to 6.00 inch rims. Those ranges are important because a bias-ply tire's shape and road behavior are strongly affected by wheel width.
Before mounting tires on a 1961 Plymouth, measure the actual wheel rather than relying on assumption. A car that has passed through multiple owners may wear replacement wheels that are the correct diameter but not the original width. Matching the tire to the proper rim-width window helps preserve the intended stance, tread profile, and steering feel.
Do 1961 Plymouth tires require inner tubes?
1961 Plymouth tire products here do not carry TT or TL markings in the size descriptions, so the deciding factor is usually the wheel rather than the tire size alone. All of the available fitments are bias-ply collector tires, and many original early-1960s steel wheels were used in tube-type service depending on their design and condition. The safest approach is to inspect the wheel itself and confirm the manufacturer's recommendation for the exact tire you choose.
On a 1961 Plymouth, an original wheel with pitting, damaged bead seats, or uncertain sealing surfaces may call for a different setup than a restored or replacement wheel. If you are preserving factory wheels, have them checked carefully before mounting new tires. That is especially worthwhile on a car that has been parked for years or still carries older valve hardware.
Can the original 1961 Plymouth wheels be used with all tire sizes?
Original 1961 Plymouth wheels cannot be treated as universal across all six sizes because the lineup uses both 13-inch and 14-inch rim diameters. A Valiant's 650-13 or 700-13 requires a 13-inch wheel, while the 6 Cyl., 8 Cyl., and Wagon fitments in 700-14, 750-14, 800-14, and 850-14 require 14-inch wheels. Within those diameter groups, rim width still changes by size, especially at the larger end.
That means a 1961 Plymouth owner can sometimes move within the proper size family on original wheels, but only after confirming both wheel diameter and wheel width. A 14-inch wheel that suits 700-14 or 750-14 may not automatically be the right choice for 850-14. Treat the wheel as part of the fitment, not just the tire.
Maintenance, Storage & Longevity
How should I store a 1961 Plymouth when the tires are fitted?
A 1961 Plymouth should be stored in a cool, dry, dark space away from direct sunlight, electric motors, welders, battery chargers, and other ozone-producing equipment. Bias-ply tires can develop flat-spotting more readily during long static periods, so keeping the car on a clean surface, maintaining proper inflation, and moving it periodically all help reduce stress on the casing and sidewalls.
For longer storage, many collectors either roll the car a little every few weeks or support it in a way that reduces prolonged tire loading without leaving the suspension hanging unnaturally. Wash road grime off the tires before storage and keep petroleum-based dressings away from the rubber. Those habits help a 1961 Plymouth's tires age more gracefully even if the car is driven only occasionally.
How long do tires on a 1961 Plymouth typically last?
Tires on a 1961 Plymouth are usually judged by age and condition more than mileage, because collector cars often accumulate very few miles each year. A sensible rule is to begin close inspection around five to seven years of age and to treat roughly ten years as the point where replacement deserves serious consideration even if tread still looks good. The DOT date code on the tire is the reference point for age.
A low-mileage 1961 Plymouth can still have old tires that are no longer suitable for regular road use. Sidewall cracking, hardening rubber, recurring pressure loss, or repeated balancing trouble are all warning signs. If the car is newly acquired, checking the age code should be one of the first maintenance steps before any meaningful driving.
How often should tires on a 1961 Plymouth be inspected?
Tires on a 1961 Plymouth should be inspected before every drive and given a more thorough check before any longer outing or event trip. Look for sidewall cracking, tread separation, bulges, punctures, uneven wear, and signs that the tire is not holding pressure correctly. Valve stems deserve close attention as well, especially on a collector car that may still use older wheel hardware.
That quick routine matters because a 1961 Plymouth may spend more time parked than driven, and storage-related aging can appear before tread wear does. Include the spare in the inspection, not just the four road tires. A visually clean tire is not always a healthy tire, particularly after years of seasonal use and intermittent storage.
Restoration & Authenticity
What tires were originally fitted to the 1961 Plymouth Valiant?
The 1961 Plymouth Valiant uses 650-13 and 700-13 bias-ply tire sizes, both mounted on 13-inch wheels. For a 1961 compact Plymouth, bias-ply construction is historically in step with the era, and the available sidewall treatments include narrow and wide whitewall presentations depending on size. No single original-equipment brand should be assumed across every market or build variation.
If you are restoring a 1961 Plymouth Valiant for authenticity, focus first on the correct size, then on the sidewall treatment that matches the car's intended finish and market character. Period photos, original sales literature, and Plymouth or Valiant marque clubs are the best places to confirm whether your particular car would have worn a modest whitewall or a broader whitewall look when new.
Does correct tire fitment matter for showing a 1961 Plymouth?
Correct tire fitment absolutely matters when showing a 1961 Plymouth, especially in judged stock or restoration classes. Size, construction type, wheel diameter, and sidewall style all affect how authentic the car appears. A Valiant wearing an oversized full-size Plymouth tire, or a wagon wearing the wrong whitewall treatment for its presentation, can stand out immediately to experienced judges and enthusiasts.
For a 1961 Plymouth that will be judged, think beyond whether the tire physically mounts and consider whether it visually belongs on the car. Match the tire to the right model group first, then choose the sidewall style that supports your restoration goals. Event-specific standards can vary, so checking with the relevant marque club or judging body is always worthwhile before final selection.
What is the difference between Coker Classic and US Royal 650-13 tires for the 1961 Plymouth?
For the 1961 Plymouth Valiant, both Coker Classic and US Royal offer 650-13 bias-ply tires for 13-inch wheels, both with a 4.50 to 5.00 inch rim width range and both rated at 1150 pounds at 32 psi. The main difference is presentation: each brand appears in narrow whitewall and wide whitewall form, giving two different visual directions while keeping the same basic size and load specification.
That makes the decision more about appearance and brand preference than about raw fitment on a 1961 Plymouth Valiant. If you want a cleaner, more restrained compact-car look, the narrow whitewall is the logical direction. If you are chasing a stronger early-1960s whitewall presence, the wide whitewall versions better emphasize the period style.
Safety & Road Use
Are 1961 Plymouth tires safe for highway driving?
The available 1961 Plymouth tires here are bias-ply collector tires, and no speed-rating letters appear in the size descriptions for these fitments. That means highway use should be approached with the understanding that the tire is part of a much older vehicle system, not a modern high-speed package. On a 1961 Plymouth, steering geometry, suspension condition, alignment, braking ability, and the general condition of the car are often just as important as the tire itself at normal road speeds.
A properly fitted, properly inflated, healthy bias-ply tire can be appropriate for fair-weather road use on a sound 1961 Plymouth, but expectations should stay era-appropriate. If the car will see longer interstate trips, verify condition carefully and keep speeds sensible for the vehicle as a whole. Collector tires reward mechanical sympathy more than aggressive modern driving habits.
What inflation pressure should I use for 1961 Plymouth tires?
The available 1961 Plymouth tires carry maximum load ratings at 32 psi across the range where load data appears: 700-14 at 1360 pounds, 750-14 at 1500 to 1580 pounds, 800-14 at 1620 pounds, 650-13 at 1150 pounds, 700-13 at 1270 pounds, and 850-14 at 1740 pounds. Those figures identify the tire's rated maximum load at that pressure, not necessarily the vehicle manufacturer's recommended operating pressure.
For actual use on a 1961 Plymouth, start with the factory pressure guidance for the correct model and size if you have the owner's manual or placard information. Then compare it with the tire maker's guidance for the reproduction tire you choose. Do not assume that a pressure suitable for one Plymouth size or model automatically transfers to another.
What should I check before taking a 1961 Plymouth on a longer drive?
Before a longer drive in a 1961 Plymouth, inspect each tire for cracking, cuts, bulges, uneven wear, and proper cold inflation, then check the spare as carefully as the four tires on the car. Confirm that the wheel hardware is tight, the valve stems are in good condition, and the tires are appropriate to the actual model and wheel diameter on the car. A wagon on 14-inch tires and a Valiant on 13-inch tires should never be approached as interchangeable setups.
Tire condition is only one part of the pre-trip routine on a 1961 Plymouth. It also makes sense to review brakes, wheel bearings, steering play, suspension wear, lighting, and fluid levels before heading out. A collector car often reveals problems after sitting, so a short local test drive before a highway run is usually time well spent.
