1931 Elcar 130 Series Tires

The 1931 Elcar 130 Series uses two primary bias-ply tire sizes: 30X6.75 and 700-18. Those are not alternate spellings of the same fitment. They represent different sizing systems and different rim diameters, so the correct choice depends on the wheel setup that is actually on the car.

That makes wheel verification the first step before looking at brands or sidewall styles. A car that still has its original-type wheel arrangement may differ from one that was changed decades ago, and collector vehicles often pass through several owners. Measuring the wheel and confirming the tire size already mounted on the vehicle will keep the next step focused on the proper fitment.

The 1931 Elcar 130 Series appears with two rim diameters tied to its primary tire sizes: 5.0 inches for 30X6.75 and 18 inches for 700-18. Because those dimensions are very different, the tire size cannot be chosen by appearance alone. The wheel itself has to be confirmed first.

This matters most on older collector cars because wheels may have been swapped during past restoration work or for simple continued road use. Before selecting a tire, check the actual wheel diameter and compare it with the size format you plan to run. That avoids ordering a correct-looking tire in the wrong construction and rim diameter combination for the car.

The 1931 Elcar 130 Series 8 Cyl. uses the same two primary tire sizes associated with the model: 30X6.75 and 700-18, both in bias-ply construction. That keeps sub-model fitment simple at a high level, since there is no separate tire size tied only to that sub-model.

The real distinction is the wheel and tire setup on the individual car, not a different sub-model requirement. Since those two sizes use different rim diameters and different sizing conventions, the best approach is to inspect the wheels currently fitted and then choose the matching tire format. That is more reliable than assuming every 8 Cyl. car still carries the same setup today.

Start with the basics: the wheel must be an 18-inch rim, and the tire should remain a bias-ply design to match the original-era construction style. From there, the main choices in 700-18 revolve around sidewall appearance, tire series, and intended use, since this size is offered in several traditional product lines.

A restoration-minded owner may focus on blackwall, double-whitewall, or wide whitewall presentation, while a driver may also compare rim-width requirements, weight, and load figures where they are stated. Firestone, Lester, Excelsior, and STA all appear in this size, but the right selection depends more on the car's wheel setup and the look you want than on chasing a single name.

In 700-18, the available sidewall styles include blackwall, double-whitewall, and wide whitewall. Those options give a 1931 Elcar 130 Series owner room to shape the car's visual character, from a more understated touring look to a brighter restoration-oriented presentation that stands out more against the body and wheel treatment.

Sidewall style should be chosen after the correct tire size and wheel diameter are confirmed, not before. Appearance also needs to be balanced against the way the car is being restored or driven, since some owners want a period-style touring look while others want more visual contrast. If exact historical presentation matters, marque-specific references remain worth checking before final selection.

The 700-18 size for the 1931 Elcar 130 Series is available from Firestone, Lester, Excelsior, and STA. Within those brands, the tire series include Firestone Balloon, Firestone Classic Bias Ply, Lester Classic Bias Ply, Comp H, and Transport Highway, giving the owner several traditional bias-ply directions to consider.

Brand choice works best as a secondary decision after confirming size, rim diameter, and the type of appearance or use the car calls for. Some options emphasize a more passenger-car presentation, while others carry different rim-width or load specifications that may matter depending on the wheels installed. Comparing the full tire specifications is more useful than choosing by brand name alone.

A period-style 1931 Elcar 130 Series should begin with the correct primary size already matched to the car's wheel setup, followed by a bias-ply tire that preserves the tall prewar stance and traditional road-going look. For cars using 700-18, the available product range gives meaningful flexibility without leaving the vintage construction style.

The final choice depends on whether the restoration goal is restrained touring presentation or a more formal whitewall look. Blackwall, double-whitewall, and wide whitewall treatments each change the car's visual character. When exact historical accuracy matters beyond general period style, owner should compare the tire choice against marque references, photos, and restoration documentation tied to the specific car.

On a restored 1931 Elcar 130 Series, tire construction has a strong effect on visual character because bias-ply tires carry the proportions and sidewall shape most buyers associate with early 1930s vehicles. That traditional construction helps maintain the car's upright, narrow-tire presentation in a way that matches the era much more naturally than a modern-looking substitute.

Appearance is not only about the sidewall color. The overall visual impression comes from the tire's profile, width, and relationship to the wheel as much as from blackwall or whitewall treatment. That is why the correct size should be settled first, followed by the sidewall style that complements the car's restoration direction and the way the finished vehicle is meant to be presented.

Yes. Any change to wheel diameter, wheel width, suspension height, axle setup, or body clearance can affect tire fitment on a 1931 Elcar 130 Series. That matters especially here because the vehicle is already associated with two very different primary tire sizes, so even small changes can complicate what would otherwise be a straightforward bias-ply selection.

Collector cars often pick up later wheels, brake changes, or suspension work over the years, and those updates can alter both clearance and tire choice. A modified Elcar should be measured at the wheel before a new tire is chosen, then checked through steering travel and normal load conditions. That is a safer path than assuming original-era size guidance still matches the current setup.

Before road use, inspect the wheels for damage, confirm the tire beads are properly seated, and make sure the tires match the wheel diameter and intended size on the car. It is also wise to look over the valve stems, verify inflation pressure, and check for any interference at the fenders, suspension, or steering components.

A short, careful test drive should follow the installation so any rubbing, vibration, or steering irregularity shows up before the car is taken farther from home. Older vehicles deserve an especially close look at wheel condition, alignment feel, and brake behavior after tire work. That early inspection routine helps separate a correct-looking installation from one that is actually ready for road use.

700-18 tires on a collector 1931 Elcar 130 Series should be kept properly inflated, inspected regularly for cracking, cuts, bulges, and uneven wear, and protected from long exposure to sunlight, heat, moisture, and ozone sources during storage. Even low-mileage collector tires need routine checks because age and storage conditions matter as much as tread depth.

The car should also be reviewed periodically for air loss, wheel condition, and any changes in steering feel that could point to alignment or suspension issues. A vehicle that sits for extended periods benefits from movement and inspection before returning to the road. That habit is especially important on prewar cars, where tire condition and wheel integrity play a large role in roadworthiness.