1938 Dodge Tire Fitment Guide

1938 Dodge vehicles in this guide use two tire sizes: 600-16 and 650-16, both on the Dodge D 8. Both are bias-ply sizes built for 16-inch rims. For 600-16, the listed rim width range is 4.00 to 4.50 inches on products that publish fitment dimensions. For 650-16, the listed rim width range is 4.50 to 5.00 inches on products that publish that information.

That means the first fitment check is not year and make alone, but which D 8 setup your car actually has and whether the wheel width matches the tire you are considering. A 16-inch rim diameter is shared, but the two sizes are not the same in section width or approved wheel range. Checking the tire size already on the car, verifying the wheel, and comparing that against the approved range is the cleanest way to avoid ordering the wrong prewar fitment.

On a 1938 Dodge, 600-16 is a numeric bias-ply size. The 600 portion is the nominal section width designation used in period American sizing, and the 16 identifies the wheel diameter in inches. It is not a modern metric code, and it does not carry the same kind of width-and-aspect-ratio information you would expect from a later radial size like 205/75R15.

That matters because a 600-16 tire should be compared against other period numeric sizes, not translated casually into a modern radial by width alone. For a 1938 Dodge D 8, 600-16 is one of the correct-style prewar fitments and is offered in both blackwall and wide whitewall versions. If originality and stance matter, the code should be matched as a vintage numeric size first, then narrowed by sidewall style and approved wheel width.

On a 1938 Dodge, 650-16 is another numeric bias-ply size, using the same period convention as 600-16. The 650 indicates a wider nominal section than 600, while the 16 again identifies a 16-inch wheel. Like other prewar numeric sizes, it is a vintage designation rather than a modern radial format, so it should be understood within that earlier sizing system.

The practical takeaway is that 650-16 is not just a cosmetic variation of 600-16. It has its own approved rim width range in the listed products, generally 4.50 to 5.00 inches where fitment dimensions are published. For a 1938 Dodge D 8, that makes wheel width confirmation especially important before moving from one size to the other. If your car was set up for 650-16, staying within that size family helps preserve the car's intended proportions and fit.

A 1938 Dodge should use the size that matches its actual D 8 application and wheel, not whichever size happens to be available in the same rim diameter. Both 600-16 and 650-16 are bias-ply, so this is not a bias-versus-radial decision. It is a fitment decision between two different period sizes, each with its own approved wheel-width range and overall presence on the car.

If your car currently wears an older set of tires, the sidewall size marking is the first thing to check, followed by the wheel width. A 600-16 generally suits narrower approved rims than a 650-16. When originality is important, compare the size on the car with factory literature, survivor examples, or a Dodge marque specialist. Choosing by wheel and application first will produce a far better result than picking by appearance alone.

1938 Dodge tires are available in both blackwall and wide whitewall styles across the listed 600-16 and 650-16 sizes. In 600-16, offerings include blackwall and wide whitewall options from brands such as Coker Classic, BFGoodrich, Firestone, and Avon. In 650-16, blackwall and wide whitewall choices also appear, with brands including BFGoodrich, Coker Classic, Firestone, and Garfield.

That gives a restorer room to tune the car's appearance without leaving the correct bias-ply era. Blackwalls typically create a more restrained, utilitarian prewar look, while wide whitewalls emphasize the formal styling many collectors want on late-1930s American cars. If the goal is judged authenticity, sidewall style should be checked against period photos, factory literature, and club guidance, because whitewall width and presentation can matter nearly as much as the basic tire size.

The listed brands for 1938 Dodge fitments are BFGoodrich, Coker Classic, Firestone, Avon, and Garfield. The 600-16 size includes BFGoodrich, Coker Classic, Firestone, and Avon offerings, while 650-16 includes BFGoodrich, Coker Classic, Firestone, and Garfield. All of the available fitments in this year-make guide are bias-ply, which suits the prewar character of the D 8.

Brand choice usually comes down to the look and details you want rather than a change in basic construction type, since both sizes remain within the bias-ply category. Some buyers focus on sidewall appearance, some on tread styling, and some on matching a favorite historic American brand to the personality of the car. Once the correct size is established, comparing brands by sidewall style, published load information, and approved rim-width fitment is the most useful next step.

For 1938 Dodge fitments, published rim-width guidance varies by tire size. Products in 600-16 list approved rim widths of 4.00 to 4.50 inches. Products in 650-16 list approved rim widths of 4.50 to 5.00 inches where that specification is published. Both sizes mount on 16-inch rims, but the width range is not the same between them.

That difference is why a shared rim diameter does not automatically make the two sizes interchangeable on the same wheel. Before changing from 600-16 to 650-16, or the other way around, measure the wheel or confirm it through a trusted wheel specialist. A tire that is outside its intended wheel-width range can affect tread shape, steering feel, and overall appearance. On a prewar car, getting the wheel width right is part of getting the car to sit and drive properly.

Original 1938 Dodge wheels can potentially accept either listed tire size only if the wheel is a 16-inch rim and its width falls within the approved range for the specific tire. The key point is that 600-16 and 650-16 share rim diameter, but they do not share the same published rim-width range. A 600-16 product may call for 4.00 to 4.50 inches, while a 650-16 product may call for 4.50 to 5.00 inches.

That means some original wheels may overlap the two fitments, but others may be correct for only one of them. The safest approach is to inspect the wheel itself, verify its width, and then match it to the specific tire's approved range. On a restored car that has changed wheels over the years, that check matters even more than the year and model name. It is a straightforward step that can prevent rubbing, poor seating, or an awkward stance.

A 1938 Dodge should be stored in a cool, dry, dark space with the tires protected from direct sunlight, electric motors, welders, battery chargers, and other ozone-producing equipment. Because the available fitments for this year are bias-ply, long periods of static storage can encourage flat-spotting and sidewall aging more readily than most radials. Clean, dry floors and stable temperatures also help preserve the rubber and the car's overall condition.

Moving the car periodically, slightly adjusting its resting position, or placing it on stands when stored for extended periods can reduce stress on the tire carcass. Keep the tires properly inflated during storage rather than letting them sit low. If the car is shown or driven only seasonally, inspect the sidewalls closely before the first outing each year. Collector cars spend far more time parked than driven, so storage habits play a major role in how long the tires stay serviceable.

Tires on a 1938 Dodge are usually judged more by age and condition than by mileage. A collector-car tire should be evaluated carefully once it reaches roughly five to seven years of age, and replacement becomes a serious consideration as it approaches about ten years, even if tread depth still looks good. The DOT date code on the tire helps establish age, while sidewall cracking, hardening, and storage history help determine condition.

That timeline matters because many prewar cars cover very few miles, which can make old tires seem usable longer than they really are. A bias-ply tire that looks visually acceptable may still have aged internally or lost flexibility. If your 1938 Dodge is driven on tours, club events, or sustained secondary-road trips, age-based replacement is especially important. Tire life on collector cars is usually limited by time, environment, and care rather than simple tread wear.

Tires on a 1938 Dodge should be inspected before every drive and again before any longer outing. Check inflation, visible cracking, cuts, bulges, irregular wear, and any signs that the tire is no longer seating or wearing evenly. Because these are prewar-style bias-ply fitments, it is also wise to look closely at valve stems and the general condition of the sidewalls after the car has been parked for an extended period.

A brief visual inspection in the garage can catch most age-related tire issues before they become roadside problems. On a car that is only used occasionally, pressure loss and weather checking can develop quietly between outings. If the spare is carried for touring, inspect that tire as well rather than assuming it is ready because it has never touched the road. Frequent inspection is one of the simplest and most valuable habits in collector-car tire care.

The 1938 Dodge D 8 used bias-ply tires, which is exactly what appears in the available 600-16 and 650-16 fitments for this year. Both sizes are period-correct in construction type for a late-1930s American passenger car, and both belong to the numeric sizing system common before modern metric radials became standard. No original-equipment brand should be assumed simply because a modern reproduction carries a familiar historic name.

For a restoration, the most important first step is confirming whether your specific D 8 application called for 600-16 or 650-16. After that, sidewall style becomes the next authenticity choice, especially if the car is being restored to a particular trim level or presentation. Period brochures, surviving cars, and Dodge marque clubs are the best places to verify market- and body-specific details. Construction type is straightforward here: bias-ply is the correct era-appropriate direction.

Correct tire fitment matters quite a bit when showing a 1938 Dodge, especially in judged prewar classes. Size, construction type, and sidewall style all influence whether the car looks and reads as accurate for the period. A mismatch in size can change the car's stance, and a sidewall treatment that does not suit the intended presentation can stand out immediately, even to casual observers familiar with late-1930s American cars.

For most show situations, getting the numeric size right is the foundation, followed by choosing the appropriate blackwall or wide whitewall appearance. Judges and marque specialists often look for a combination that matches the car's era and trim character rather than a generic vintage look. If the car is being prepared for higher-level concours work, compare your choice against event rules and Dodge club guidance. Authenticity in tires is often subtle, but it is very visible once the car is on the field.

For the 1938 Dodge, the main difference between whitewall and blackwall tires is appearance rather than basic construction, because both sidewall styles are available within bias-ply fitments. In 600-16 and 650-16, blackwalls are offered alongside wide whitewall options from several brands. The choice changes the visual character of the car without changing the fact that it remains on a prewar-style bias-ply tire built for a 16-inch rim.

A blackwall generally gives a more restrained, workmanlike presentation, while a wide whitewall leans into the formal styling many collectors associate with late-1930s American cars. Neither should be chosen casually if authenticity is the goal, because period-correct appearance depends on how the car is being restored and presented. Owners building a judged car should compare sidewall style to period imagery and club standards. Owners building a touring or driver-level restoration can often let personal taste guide the final look.

1938 Dodge tires can be suitable for highway use when they are the correct size, in sound condition, and matched to the car's intended use. The listed fitments are bias-ply, and one 600-16 Avon option carries an H speed rating with a 130 mph ceiling. That rating exceeds any realistic operating speed for a stock prewar Dodge, but tire condition, inflation, wheel compatibility, and the car's brakes, steering, and suspension are usually more important than the printed speed ceiling.

Bias-ply tires also drive differently from modern radials, with more response to road crown and a distinct prewar feel at speed. A well-maintained 1938 Dodge on fresh, properly fitted tires can be enjoyable on modern roads, but it should still be driven with respect for its age and design. If the car has sat for years, the tire's age matters as much as its tread. Safety comes from the complete package: the right tire, the right wheel, and a mechanically prepared car.

Several 1938 Dodge tire products list load-and-pressure figures, and those numbers should be read as tire ratings rather than automatic vehicle settings. In 600-16, some products are rated at 1400 pounds at 32 psi, while an Avon 600H16 lists a maximum load of 1,433 pounds. In 650-16, several products list 1580 pounds at 32 psi. Those figures should not be transferred casually from one size to another or treated as the factory recommendation for every D 8 application.

The right approach is to start with the original Dodge owner's literature or trusted factory-spec references for the vehicle's intended cold inflation pressure, then compare that against the tire maker's published limits for the specific product you are using. Reproduction and specialty tires often publish maximum load and pressure together, which is useful for capacity context but not always the same as the ideal operating pressure on the car. Pressure should support both safety and the proper road behavior of a bias-ply prewar chassis.

Before taking a 1938 Dodge on a longer drive, inspect each tire for cracking, cuts, bulges, embedded debris, uneven wear, and stable cold pressure. Confirm that the size on the car matches the wheel and that the spare is also serviceable, not merely present. A prewar Dodge should also have its wheel hardware, valve stems, and general chassis condition checked, because tire reliability depends partly on the health of the supporting vehicle systems.

Longer drives magnify small issues that a short local outing might never reveal. On an older bias-ply tire, even minor weather checking deserves attention before sustained road use. It is also wise to look at steering free play, brake operation, and shock condition so the tire is not being asked to compensate for mechanical problems elsewhere. A careful pre-drive inspection turns the tire from an uncertainty into a known part of the car's touring readiness.