Pontiac 26 Tires

Pontiac 26 uses two listed tire sizes across the years shown. The 1939 and 1940 Pontiac 26 use 600-16, while the 1941, 1942, and 1948 Pontiac 26 use 650-16. Both sizes are built for 16-inch wheels, but they differ in overall section width and in the rim width ranges commonly paired with them. The 600-16 products are generally matched to 4.00 to 4.50 inch rims, while most 650-16 products are matched to 4.50 to 5.00 inch rims.

That means year alone usually points you in the right direction, but wheel width still matters when narrowing down the best option. A restorer working on a 1939 or 1940 car should start with 600-16, while a 1941, 1942, or 1948 car should start with 650-16. If the car has replacement wheels or has been altered over time, verify the wheel and compare it with the listed rim width range before deciding on a tire style.

On a Pontiac 26, 600-16 is a numeric bias-ply size. The 600 portion represents a nominal 6.00-inch section width with the decimal omitted, and the 16 identifies the rim diameter in inches. It is not a modern metric size and it does not work like later radial sizing. The available Pontiac 26 products in this size are bias-ply tires for 16-inch wheels, commonly paired with 4.00 to 4.50 inch rim widths.

That older size convention matters because a modern buyer may assume the first number is tread width or direct metric equivalent, which it is not. On a Pontiac 26, 600-16 is the earlier fitment used for 1939 and 1940 cars, so it is the correct starting point for those years. If the car has been restored long ago, confirm the wheel dimensions and the existing tire markings before replacing a full set.

Pontiac 26 uses a 16-inch rim diameter across every listed year and both listed tire sizes. The change in fitment is not a wheel diameter change, but a move from 600-16 in 1939-1940 to 650-16 in 1941, with 650-16 continuing in the later years shown. That means the tire section changed while the rim diameter stayed constant. The accompanying rim width range is narrower on most 600-16 products and wider on most 650-16 products.

For a buyer, that makes the wheel check simpler than on cars that switched from one wheel diameter to another. You still need to confirm the actual wheel on the car, especially if it has been modified, but the key question is usually whether the car should wear the earlier 600-16 or the later 650-16 size. Matching the tire to both wheel diameter and rim width helps preserve the intended stance and behavior.

Pontiac 26 tire offerings in both 600-16 and 650-16 are overwhelmingly bias-ply designs in an older numeric format, and that style of collector tire normally uses tube-type installation. One 650-16 truck-oriented product is described as tubeless, but the broader Pontiac 26 fitment mix is built around traditional bias-ply construction. For an original-style passenger-car setup, tube use is the standard expectation. That is especially true for period steel wheels and restoration work aimed at authentic appearance and function.

In practical terms, a Pontiac 26 owner should plan for tubes unless the wheel and tire combination is specifically set up otherwise by a knowledgeable installer. Tube choice should match the exact tire size and valve arrangement, and the wheel itself should be inspected for rust, pitting, or old repairs before mounting. That extra attention helps prevent avoidable air loss and preserves the more controlled ride quality these cars are meant to have.

A 1941 Pontiac 26 is listed with 650-16, not 600-16. That places it in the later of the two Pontiac 26 fitment groups, both of which use 16-inch wheels but differ in nominal section width. Most 650-16 products are intended for rims in the 4.50 to 5.00 inch range, which is slightly different from the more common 600-16 rim range. The key point is that 1941 marks the shift to the larger listed size.

For a car that still carries its original running gear, 650-16 is the right place to begin. If the Pontiac 26 has replacement wheels, a previous restoration, or mixed parts from nearby model years, measure the wheel and inspect any old tire markings before ordering a set. That helps you avoid selecting an earlier-size tire simply because the wheel diameter is the same, even though the section width and intended fitment are different.

Pontiac 26 tire choices include blackwall, wide whitewall, and double-whitewall sidewall styles, although not every style appears in both sizes. The 600-16 selection includes blackwall, wide whitewall, and double-whitewall options, while the 650-16 selection includes blackwall and wide whitewall offerings. That gives a restorer room to choose between a more understated look and a fuller prewar or immediate postwar whitewall appearance. The available sidewall treatment depends on the exact size being used.

For an authentically presented Pontiac 26, sidewall style should match the character of the restoration rather than personal preference alone. A blackwall often suits a more restrained or utility-minded presentation, while a wide whitewall can dramatically change the visual weight and period feel of the car. If you are trying to match prior judging standards, period photos, or a family car’s remembered appearance, settle the size first and then choose the sidewall style within that fitment.

Pontiac 26 tires are offered across a broad range of brands. The listed brands include BFGoodrich, Coker Classic, Avon, Firestone, Ford Script, Excelsior, Lester, Goodyear, STA, Camac, Garfield, and Tornel. Some of those brands appear in passenger-oriented blackwall and whitewall patterns, while others also appear in military, truck, or specialty tread families. Brand choice therefore affects both visual style and the type of service the tire is built to suggest.

For most Pontiac 26 restorations, the smartest approach is to decide first whether the car is being finished as a stock-style passenger car or equipped for a more specialized use. Once that is settled, compare sidewall appearance, tire series, and rim width compatibility within the correct size. A historically sympathetic whitewall from one maker may fit the restoration goal better than a truck-style blackwall from another, even if both share the same nominal size.

Pontiac 26 is served by a wide mix of tire series, including Silvertown Classic Bias Ply, Coker Classic Bias Ply, Firestone Classic Bias Ply, Excelsior Bias Ply, Lester Classic Bias Ply, Deluxe All-Weather, Ford Script, Garfield Classic Bias Ply, Turbospeed Mk4, Tourist Crossply, Traction Mileage, Military NDT, Firestone Classic Military, Firestone Military NDT, NATO CJ110, Firestone Classic Truck, Transport, STA Classic Military, Super Traxion, Transport Highway, and Tornel Classic Truck. Those names reflect different construction families, visual treatments, and intended service styles rather than one single universal replacement. Some are traditional passenger-car bias-ply designs, while others are truck, military, or specialty patterns.

That variety means Pontiac 26 owners should separate restoration goals from utility needs before selecting a tire series. A stock-appearing passenger car usually looks most natural on one of the classic bias-ply passenger lines, especially in blackwall or whitewall form. Military NDT, truck tread, or traction-oriented series may share the nominal size but create a noticeably different appearance and road character, so they are best chosen only when that specific style or use is intentional.

A Pontiac 26 should be stored in a cool, dry, dark place with the tires protected from sunlight, ozone sources, and prolonged contact with damp concrete. Bias-ply collector tires benefit from stable inflation and periodic movement because they can develop flat spotting when left parked in one position for long stretches. Clean wheels and dry storage conditions also matter because old steel rims can trap moisture around the bead and tube area. Good storage habits preserve both appearance and serviceability.

For a Pontiac 26 that sees only seasonal use, keep the tires inflated to the chosen service pressure and roll the car occasionally to change the contact patch. If the car will sit for an extended time, some owners prefer tire cradles or jack stands used correctly to reduce static load, though the suspension and frame should be supported thoughtfully. A simple storage routine does more for collector tire life than infrequent driving followed by long neglect.

Tires on a Pontiac 26 should be visually inspected before every drive and given a more thorough hands-on inspection several times each season. Bias-ply collector tires deserve regular checks for pressure loss, sidewall cracking, bead issues, uneven wear, tread separation, and signs of tube or valve trouble. Because many collector cars are driven less often, problems can develop quietly while the car is parked rather than while it is accumulating miles. Infrequent use does not reduce the need for inspection.

A practical routine is to inspect the Pontiac 26 before leaving the garage, then schedule a fuller review at the start of the driving season, midseason, and before winter storage. Include the spare in that schedule, since age and storage conditions affect it too. If the car develops a pull, vibration, or visible lean, stop and investigate rather than assuming it is simply old-car behavior. Regular checks are part of driving a collector Pontiac responsibly.

A Pontiac 26 tire should be replaced when age, cracking, hardening, flat-spot severity, casing damage, or persistent air loss shows the tire is no longer serviceable, even if the tread still looks deep. Collector cars often age out tires long before they wear them out. Bias-ply construction can remain visually presentable while rubber and internal materials decline over time. Calendar age, storage history, and inspection findings matter more than tread depth alone on a lightly driven Pontiac 26.

That means a Pontiac 26 owner should treat every tire as a time-sensitive component, not a permanent restoration item. Any tire with suspicious sidewall checking, impact damage, or long-unknown service history deserves professional evaluation before further use. If a car has sat for years, replacing the full set is often wiser than trying to save tires that only look acceptable from a few feet away. The same caution applies to the spare, which is usually the oldest tire on the car.

Pontiac 26 is associated here with two period-style numeric sizes: 600-16 for 1939-1940 and 650-16 for 1941, 1942, and 1948. The available replacements include several classic bias-ply passenger series and a range of blackwall and whitewall sidewall treatments. That tells a restorer the car belongs in the traditional 16-inch bias-ply world, but more than one visual and series option exists within that period-correct framework. Exact original presentation can vary by year and by how the individual car was equipped.

For a high-level restoration, use the year-specific size first and then compare sidewall style and tire series against period photos, factory literature, and marque-club references. That approach is more reliable than choosing solely by what looks familiar from another car of the era. A 1939 Pontiac 26 wearing 650-16 may look plausible to a casual observer, but a year-correct restoration should start with 600-16 unless the car’s history clearly supports a later change.

Correct tire fitment can absolutely affect how a Pontiac 26 is judged and how seriously the restoration is taken. Size, sidewall style, tread character, and overall stance all influence whether the car presents as properly restored for its year. A Pontiac 26 fitted with the right 16-inch size group and an era-appropriate sidewall treatment will generally look more convincing than one wearing a visually mismatched tire, even if the mismatch is subtle. Tires are a major part of the car’s profile.

For owners thinking about concours presentation, use Pontiac 26 tire selection as part of the restoration plan rather than a last-minute consumable purchase. Marque clubs, factory images, and event judging standards are valuable references when deciding between blackwall, whitewall, and alternate period-style series. Even outside formal judging, correct tire fitment supports resale because informed buyers notice whether the car stands and sits as a proper prewar or immediate postwar Pontiac should.

Pontiac 26 tire offerings include blackwall, wide whitewall, and in 600-16 also double-whitewall options. Any of those can change the visual character of the car significantly, even when the underlying size is correct. For a restoration, the most appropriate sidewall style depends on the year, trim character, and the look you are trying to recreate rather than on tire size alone. The available choices provide both restrained and more dressy period presentations.

A blackwall Pontiac 26 tends to read as simpler and more utilitarian, while a wide whitewall gives the car a fuller prewar or postwar showroom presence. Double-whitewall treatment can create an especially strong custom or show-oriented visual effect and should be chosen carefully if authenticity is the goal. The best path is to verify how your specific Pontiac 26 would have appeared when new or during the period you are restoring it to, then match the sidewall style to that evidence.

A properly selected, correctly mounted, and well-maintained collector tire can be suitable for public-road use on a Pontiac 26, provided the whole car is mechanically sound and driven within the limits of its era. The listed Pontiac 26 offerings are overwhelmingly bias-ply designs, which behave differently from modern radials in steering response, straight-line tracking, and ride feel. Safety depends on matching the correct size to the year, using sound wheels, and keeping inflation, alignment, and brake condition under control.

For real-world use, the tire should be treated as one part of a larger vintage driving system. A Pontiac 26 with old suspension parts, weak brakes, or deteriorated wheels will not become roadworthy simply because it has new tires. Before regular road use, inspect the entire chassis and then learn the car’s handling traits at moderate speed. Bias-ply tires reward smooth inputs and conservative driving rather than abrupt lane changes or modern traffic expectations.

Before driving a Pontiac 26, check tire pressure, visible sidewall condition, valve stems, wheel fasteners, tread condition, and any sign of the tire shifting on the rim. Because Pontiac 26 uses older-style bias-ply fitments, it is also wise to watch for flat spotting after storage and for uneven wear that may indicate alignment or suspension issues. If the car carries whitewalls, inspect them closely rather than assuming a clean appearance means the casing is healthy. Mechanical readiness begins with a careful walk-around.

After the tire inspection, include brakes, steering free play, fluid leaks, lights, and spare-tire readiness in the pre-drive routine. A short test roll in the driveway can reveal a low tire or dragging brake before you commit to traffic. Pontiac 26 owners who build a repeatable inspection habit usually catch age-related problems early, which is especially important on collector cars that may sit for weeks between drives and then be expected to perform immediately.

A Pontiac 26 on period-style bias-ply tires should be driven at moderate, mechanically sympathetic speeds rather than treated like a modern car. Even with fresh tires, the overall system includes vintage steering, suspension, braking, and wheel technology, and those components set the practical pace. The available Pontiac 26 tires may carry different load and pressure characteristics by series, but the right operating mindset is still conservative. Stability, stopping distance, and lane discipline matter more than theoretical cruising speed.

In practice, that means keeping a generous margin for braking, road crown, crosswinds, and heat buildup, especially on longer drives. A smooth 45 to 55 mph pace may feel entirely comfortable in a sorted Pontiac 26, while higher speeds can quickly expose the limits of an older chassis and bias-ply tire behavior. Let road conditions, tire condition, and the car’s mechanical health dictate speed, and avoid sustained high-speed running simply because modern traffic makes it tempting.