1930 Chrysler Tire Fitment Guide

1930 Chrysler vehicles use eight sizes spread across five model groups. The 6 Cyl. uses 29X5.00 or 500-19, the 66 Series and 70 Series use 28X5.50 or 550-18, the 77 Series uses 30X6.00 or 6.00-18, and the 80 Series uses 30X6.75 or 700-18. Rim diameters are 19 inches for the 6 Cyl. and 18 inches for the other series. Published rim-width guidance appears on currently offered numeric sizes, including 4 inches to 4.00–5.00 inches for 500-19, 3 to 4 inches across available 550-18 products, and 3.75–4.00 inches for 700-18 products.

The practical takeaway is that year and make alone are not enough on a 1930 Chrysler. You need the exact series first, then the size family used on that series, and finally the wheel itself should be checked against the tire you are considering. That matters most on the 18-inch cars, where several different Chrysler models used the same rim diameter but not the same tire size.

On a 1930 Chrysler, 29X5.00 is an antique diameter-by-section size. The first number refers to the tire’s approximate overall diameter in inches, while the second number refers to its nominal section width in inches. That is different from later modern tire codes, which usually put the rim diameter at the end. On the 1930 Chrysler line, 29X5.00 is associated with the 6 Cyl. models and corresponds to a 19-inch wheel fitment in the currently available size family for that car.

Owners often encounter this style of marking when restoring pre-war cars because tire naming conventions were still evolving at the time. If your Chrysler wears an antique-format size on an original wheel, the smartest move is to confirm both the series and the wheel diameter before choosing between the antique-style designation and its numeric counterpart. That helps preserve the right look without crossing into a neighboring Chrysler series size.

On a 1930 Chrysler, numeric sizes like 500-19 and 550-18 identify a bias-ply tire by nominal section width and rim diameter. A 500-19 is a 5.00-inch nominal section width on a 19-inch rim, while a 550-18 is a 5.50-inch nominal section width on an 18-inch rim. Those are period-appropriate pre-war tire markings, not modern metric sizes. Within the Chrysler range, 500-19 belongs to the 6 Cyl., while 550-18 fits the 66 Series and 70 Series.

That difference matters because two 1930 Chrysler models may both look broadly similar to a casual observer but still require different wheel diameters and widths. Numeric pre-war sizing is straightforward once you know the pattern, but it should never be treated as interchangeable across the full make. Matching the series to the wheel and then matching the wheel to the tire’s listed rim-width guidance is the safest path.

A 1930 Chrysler does not present a bias-ply-versus-radial choice here, because the currently covered fitments are all bias-ply. The real choice is whether your car is being matched to the antique diameter-by-section designation used on that series, such as 29X5.00 or 30X6.75, or to the numeric bias-ply equivalent used on the same model family, such as 500-19 or 700-18. Both approaches stay within the period-correct construction era of the car.

Owners focused on originality often prefer the size notation that best matches the restoration goal and the way the car would have been identified in period literature. Owners who are replacing an existing tire usually start by reading the size already on the car and confirming wheel diameter before changing anything. On a 1930 Chrysler, the model series matters more than a general preference, because the size families are tied directly to each series.

1930 Chrysler tire choices include blackwall, wide whitewall, and double-whitewall styles, but those options are not spread evenly across every size. The 500-19 offerings shown here are blackwall only, 550-18 appears in blackwall, wide whitewall, and double-whitewall forms, and 700-18 also appears in blackwall, wide whitewall, and double-whitewall form. All of them remain bias-ply choices suited to pre-war presentation.

Sidewall style changes the visual character of a 1930 Chrysler as much as the tire size itself. A blackwall generally gives a more restrained, utilitarian look, while whitewall variations create a more formal period appearance often associated with upscale restoration goals. Since sidewall availability depends on size, it is wise to confirm the correct model and tire code first, then narrow the appearance you want within that size.

Current 1930 Chrysler coverage includes Excelsior, Firestone, and BFGoodrich, depending on size. The 500-19 size is offered by Excelsior and Firestone, the 550-18 size appears from Excelsior, Firestone, and BFGoodrich, and the 700-18 size shown here is offered by Firestone. Each of those offerings stays within period-style bias-ply construction rather than introducing a modern radial option for these fitments.

Brand choice on a pre-war Chrysler usually comes down to the combination of available size, sidewall style, and the visual character you want on the finished car. Some owners prioritize a simple blackwall look, while others want a wider whitewall or double-whitewall to suit a more formal presentation. Narrowing the exact series and tire size first makes the brand decision much easier because it removes options that do not actually fit your Chrysler.

Published rim-width guidance is available for several 1930 Chrysler numeric sizes. The 500-19 size appears on 4-inch rims and on a 4.00–5.00 inch range depending on product, 550-18 products are listed for 3-inch, 3.25-inch, and 4-inch rims, and 700-18 products are listed for 3.75–4.00 inch rims. Those figures apply to the specific tire sizes and products shown for the Chrysler series that use them.

A shared rim diameter does not automatically mean every wheel width is suitable across the lineup. On a 1930 Chrysler, that is especially important among the 18-inch cars, where the 66, 70, 77, and 80 Series do not all use the same tire size. Measure the wheel you actually have and compare it to the listed range for the exact tire before making a final selection.

The listed 1930 Chrysler products here do not carry tube-type or tubeless markers in the size descriptions, so the important point is to match the tire choice to the wheel and tire specifications for the exact product you are considering. Because these are pre-war bias-ply applications on early wheels, many owners treat tube fitment and valve-stem condition as part of the normal setup conversation rather than an afterthought.

When you are mounting tires on a 1930 Chrysler, the safest approach is to inspect the wheel condition, confirm whether the wheel design and tire call for tube use, and replace aged service items at the same time. That is especially worthwhile on cars that have been sitting, because an old tube or valve stem can undermine an otherwise sound tire installation.

Original 1930 Chrysler wheels cannot be treated as universal across all series because the lineup uses both 19-inch and 18-inch rim diameters, and even the 18-inch cars step through several different tire widths. The 6 Cyl. uses 19-inch fitment, while the 66 Series, 70 Series, 77 Series, and 80 Series use 18-inch fitment with progressively larger tire sizes depending on model.

That means original wheels may be usable only within the size family intended for that series, not simply because they came from another 1930 Chrysler. Wheel diameter is the first checkpoint, but width matters too, especially when comparing a 550-18 application to a larger 700-18 application. If the car has swapped wheels from an earlier restoration, verify the wheel before assuming the series and the wheels still match.

A stored 1930 Chrysler should be kept away from direct sunlight, standing moisture, and ozone sources such as electric motors, battery chargers, welders, or furnace equipment. Bias-ply tires are especially prone to flat-spotting when they sit in one position for long periods, so stable inflation pressure and occasional movement help preserve shape. Clean, cool storage is far better for sidewall life than a damp or sunlit garage corner.

If the car will sit for months at a time, many collectors either roll it periodically or support it in a way that reduces constant load on one patch of tread. That is particularly useful on a long-wheelbase pre-war car, where tire loads and static weight can leave the ride feeling rough on the first miles back out. A tire cover or dark storage space also helps protect the sidewalls from avoidable aging.

On a 1930 Chrysler, tire age matters more than mileage because collector cars often cover very few miles each year. A good rule is to start evaluating tires carefully once they reach about five to seven years of age and to treat around ten years as a serious replacement point, even if tread depth still looks usable. The date code on the tire is the best starting point for that evaluation.

Pre-war cars can lull owners into keeping old tires too long because they may see limited local driving and still appear outwardly serviceable. Sidewall cracking, hardening, irregular wear, and persistent pressure loss all matter more than odometer use. Replacing an aged set before a tour or show season is usually a better decision than asking an old bias-ply tire to keep carrying a heavy Chrysler indefinitely.

Tires on a 1930 Chrysler should be inspected before every drive and again before any longer outing. Look for sidewall cracking, cuts, bulges, uneven wear, embedded debris, and any sign that the tire is no longer holding pressure consistently. On a pre-war car, it is also smart to pay close attention to valve-stem condition and the spare tire, since both often age quietly during long storage periods.

Frequent inspection is especially important because a 1930 Chrysler is old enough that tire condition is only one part of the roadworthiness equation. A car that sits for weeks can develop pressure loss or visible cracking even when nothing looked wrong the last time it was parked. Making tire inspection part of your standard walk-around helps catch small issues before they become a roadside problem.

A 1930 Chrysler 6 Cyl. would have originally belonged to the bias-ply era, and the fitment family associated with that model here is 29X5.00 or 500-19. That places it firmly within pre-war sizing conventions, where both antique diameter-by-section markings and numeric bias-ply sizes were part of the period language. No original-equipment brand should be assumed without checking marque-specific references for the exact body style and market.

For most restorers, the main authenticity questions are the correct size family, the correct construction era, and the sidewall appearance that suits the specific car. If the goal is judged originality, it is worth comparing the car against period Chrysler literature, club resources, and surviving examples before settling on one sidewall treatment. That extra step matters more on a pre-war Chrysler than choosing between two brands with the same basic fitment.

Correct tire fitment matters on a 1930 Chrysler because show judging for pre-war cars often notices size, construction era, and sidewall presentation as part of the overall impression. A tire from the wrong size family, the wrong wheel diameter, or an obviously mismatched sidewall treatment can distract from an otherwise careful restoration. On these cars, authenticity is tied as much to stance and proportion as to the tire code itself.

That does not mean every event uses identical standards, but it does mean tire choice should support the year and series you are presenting. A blackwall can suit a simpler car, while whitewall treatments may better align with a more formal restoration theme if they are appropriate to the vehicle and event style. Marque clubs and event rule books remain the best final check for class-specific expectations.

Within 550-18 fitment for a 1930 Chrysler, Firestone and BFGoodrich differ most clearly in sidewall presentation, rim-width listing, weight, and published load figure. The Firestone examples shown include blackwall and 3.25-inch double-whitewall versions rated at 1125 pounds at 32 psi on 3.25-inch rims, while the BFGoodrich example is a 3.00-inch wide whitewall rated at 1000 pounds at 32 psi on a 3-inch rim. The BFGoodrich tire is also listed at a higher weight than the basic blackwall Firestone version.

For a 1930 Chrysler 66 Series or 70 Series owner, that means the choice is not simply brand preference. The sidewall look may drive the decision, but wheel width and the exact visual proportion of the whitewall matter as well. If your car has a restoration style already established, compare the wheel dimensions and the whitewall treatment together rather than choosing by name alone.

1930 Chrysler tires can be used for normal collector-car road driving when they are the correct size, properly mounted, correctly inflated, and in sound condition. The listed products here are all bias-ply tires, and no speed ratings are shown for these pre-war sizes, so they should be approached with the understanding that the car itself was engineered in a very different era. On a 1930 Chrysler, brakes, suspension condition, steering play, and overall mechanical health are often just as important as the tires at modern traffic speeds.

That means highway use is less about chasing a tire speed letter and more about realistic driving habits. A well-sorted pre-war Chrysler can be enjoyed on secondary roads and many tour routes, but owners should leave generous stopping distance, avoid heat buildup from sustained speed, and inspect the tires before longer runs. Safety comes from the whole package working together, not from the tire alone.

Inflation pressure on a 1930 Chrysler should be matched to the exact tire size and the vehicle’s original guidance rather than borrowed from another series. Among the listed products, 500-19 examples show load information up to 895 pounds at 32 psi, 550-18 products show figures up to 1125 pounds at 32 psi, and 700-18 products show 1520 pounds at 36 psi. Those figures are tire ratings, not a blanket instruction to run every 1930 Chrysler at the same pressure.

The best practice is to begin with the vehicle’s factory recommendation when available, then confirm that the pressure you use remains appropriate for the reproduction tire and the way the car is actually driven. A heavier 80 Series should never be treated like a smaller 6 Cyl., and one size’s rated pressure should not be transferred casually to another. Pressure checks should be done cold, before the car is driven.

Before a longer drive in a 1930 Chrysler, inspect each tire for cracking, cuts, bulges, uneven wear, and pressure loss, and make sure the spare is usable as well. Pay attention to valve stems and wheel condition, especially on a car that may have sat for long periods. Since these are pre-war bias-ply applications, a visual check should be paired with a hands-on look for anything that suggests age hardening or separation.

Tire readiness should also be part of a broader pre-drive routine that includes brakes, wheel bearings, steering components, fluids, and lighting. A 1930 Chrysler asks more of its owner than a modern car before a tour, and the tires are only one piece of that responsibility. Catching a small issue in the garage is far easier than dealing with it on the shoulder with a ninety-year-old automobile.