Upsizing Wheels and Tires With American Brake Centers Inc.
Posted May 31, 2026 1:14 PM
Many Louisville drivers want to accessorize their vehicle - you know, make it theirs. One of the easiest ways to get a custom look is to get some new wheels. There are thousands of wheel designs at Louisville area tire shops to get you the look you want. And for many Louisville drivers, that look includes bigger wheels. It used to be that cars came from the factory with 15 or 16 inch wheels. Now 16, 17 and even 18 inchers are standard. And the factories are offering optional wheel packages up to 20 inches or more.
So let's talk about what to consider when you want to upsize your wheels. It's not exactly a DIY project, so you need to know a thing or two before you get started. The most important term to know is rolling diameter. The rolling diameter is simply the overall height of your tire. Unless you want to modify your vehicle suspension, you'll want to keep your rolling diameter the same when you upsize your wheels.
Let's think about those three golden doughnuts in front of you. They're all about the same size. So if we pretend they're tires, they would have the same rolling diameter. The doughnut hole is the size of the wheel. Now pretend we've made the hole bigger on some. That's like having a bigger wheel - but the rolling diameter is the same.
It's important to keep the rolling diameter the same for several reasons. First of all, if the tire is bigger, it might not fit in the vehicle wheel well. Next the speedometer, odometer and anti-lock brake system are all calibrated for the factory rolling diameter. In order for your anti-lock brakes to work properly, the rolling diameter must stay within 3% of the factory recommendation. If you ignore that, you run the risk that your anti-lock brakes won't work properly.
Some have vehicles with electronically-controlled suspension that will be negatively affected by changing the rolling diameter. Let's think about the doughnuts again. You see, as the size of the wheel gets bigger, the sidewall gets shorter. The tire holds less air, so the sidewalls are made stiffer to compensate.
Low profile tires from top manufacturers use special compounds that give the sidewall the strength it needs without compromising ride quality. As you increase your wheel size, you'll typically get a slightly wider tire. This means that you have a larger contact patch. The contact patch is part of the tire that contacts the road. Because there's more rubber on the road, the vehicle will handle better. And braking distances will be shorter. A lot of Louisville folks with trucks or SUVs love the extra control.
KY drivers need to watch out that the contact patch isn't so big that the tires rub in turns or over bumps. What we're talking about here is fitment. Your tire professional at American Brake Centers Inc. can help you get this right. He'll install your new wheels, add spacers if needed to make sure your brakes fit inside your new wheels and get you rolling.
Also, if you drive off-road in KY a lot, you may need a higher profile tire to protect your new rims. And make sure your new tires have the load rating you need if you tow a trailer or haul heavy loads. Again, your tire professional at American Brake Centers Inc. knows how to help.
And don't forget about tire pressure. If you have larger rims, your new tires will hold less air and they'll need to run a slightly higher pressure. Forget that and you'll wear your tires out fast. Finally, get an alignment at American Brake Centers Inc. after you get your new shoes.
Stop by American Brake Centers Inc. to learn more about how you might upsize your wheels or tires.
You'll find us at:
American Brake Centers Inc.
3435 Bashford Ave Ct.
Louisville, KY 40218
502-459-0355
www.americanbrakecenters.biz
Gear Up: Transmission Service at American Brake Centers Inc. in Louisville
Posted May 24, 2026 1:05 PM
The transmission system in your vehicle allows you to change gears. Lower gears are power gears. They get your vehicle moving and get it up hills. Higher gears get the vehicle up to speed and get it rolling faster. If you have a standard transmission, then you have to do the work of shifting gears yourself. But with an automatic transmission, the vehicle shifts gears on its own. It automatically starts out in low gear and automatically shifts to high gears as it gets rolling. Again, it will automatically shift to a lower gear to climb hills or when you need a burst of speed.
How does it know when to change gears? Today's automatic transmissions are computer-controlled. The computer gathers information about what the vehicle is doing and changes the gears as needed.
Automatic transmissions are becoming more sophisticated all the time. More gears, or “speeds,” are being added. Almost all vehicles have at least four speeds. Five or six is common. Some are even increasing to seven or eight – up to ten. Adding gears has a lot of advantages for Louisville vehicle owners: it improves fuel economy and increases performance.
But there is a drawback for drivers in Louisville: more gears equal more parts and a more complex transmission system. Plus, all those parts need to fit into the same space as older, less complex transmissions. This means that today's transmissions are engineered to much tighter tolerances. In other words, they demand meticulous care from Louisville drivers. Transmissions are designed for durability. But that durability can be compromised if they aren't given proper care.
That's why changing transmission fluid is such an important part of preventive maintenance for vehicles in Louisville. Transmission fluid lubricates the transmission and keeps it in good working order. But if the fluid runs low, transmission parts will wear out quickly or suffer damage due to increased friction. The transmission can even fail.
Dirty transmission fluid can clog the small passageways in the transmission, blocking lubricant from reaching all of its parts. Again, this can lead to increased wear, damage or failure.
New transmissions aren't cheap. Repairing them isn't cheap either. But changing transmission fluid is fairly inexpensive at American Brake Centers Inc. in Louisville. That's why responsible car care includes maintenance on the transmission system at American Brake Centers Inc.. It doesn't take a genius to figure out that periodic fluid changes aren't just good auto advice, they actually pay for themselves by preventing transmission repairs.
American Brake Centers Inc.
3435 Bashford Ave Ct.
Louisville, KY 40218
502-459-0355
www.americanbrakecenters.biz
Passing the Test (How to Prevent Emissions Test Failure)
Posted May 17, 2026 2:44 PMVehicle emission testing has become ubiquitous in North America and for a good reason. Clean air quality is important for the environment and all of us. Since vehicle emissions are among the main causes of air pollution, emission testing can alert you to problems in your vehicle than can be fixed so it won't needlessly pollute.
Emissions tests are looking for certain toxic gases internal combustion engines produce, such as nitrogen oxide, particulate matter, non-methane organic gases and formaldehyde. Emissions control systems reduce these gases if they are working properly.
The best way to minimize pollution is to keep those vehicle systems working properly, and periodic inspection and maintenance is the key. So if you want to make sure your vehicle will pass an emissions test, it helps to know what might go wrong.
Let's start on the easy one. Your gas cap could be loose, allowing vapors to escape into the atmosphere. The most common solution is to replace it. Or your air filter may be dirty. A dirty air filter may push your hydrocarbons pass the acceptable level.
Now to the more complicated things. The mixture of fuel and air in your engine may be tilted toward the "too much fuel" side. That could cause problems for your vehicle's catalytic converter, a device that converts toxic gases from your exhaust into less toxic pollutants.
Your vehicle has a closed system that prevents fuel tank vapors from escaping into the air; it's called the EVAP system. A technician can track down problems.
Vehicle engineers have gone to great lengths to minimize the amount of pollution your vehicle produces. Your vehicle's manufacturer recommends how frequently those systems need servicing. Keep those systems in good shape and you're likely to pass emissions tests with flying colors. Neglect them and you might find your vehicle failing an emissions test. When that happens, you'll have to get the problems repaired before you can get back on the road.
American Brake Centers Inc.
3435 Bashford Ave Ct.
Louisville, KY 40218
502-459-0355
www.americanbrakecenters.biz
The American Brake Centers Inc. Guide to Tire Specs
Posted May 10, 2026 1:03 PM
You know you need new tires, but you're not sure what type. You look at a tire to get the size: 225, 50, R, 16, 92, H. All the way to the Louisville service center you keep repeating it over and over. You even say it over in your mind while waiting in line. Then you get to the counter and the manager asks what size you need. Then your mind goes blank.
Tire size can be confusing for many Louisville drivers. There's so much on the side of the tire, and it's hard to keep straight.
Even though there's a lot on a tire - if you know what it all means, it's actually more helpful than confusing for Louisville tire shoppers. Let's start with the size number.
For example, let's say a tire reads: 225 50 R 16 92 H. The 225 part is the width of the tire in millimeters - the width between the sidewalls of an inflated tire with no load. The 50 is the aspect ratio - the ratio of the sidewall height to the tread width. Off-road tires will have a higher number and high performance tires will have a lower number.
The R signifies it's a radial tire. And 16 is the rim or wheel size in inches.
The 92 is the load rating index - it's the load carrying capacity of a tire. The higher the number, the more it can safely carry. Your empty vehicle can be safe with a lower number, but you'll need a higher rating if you routinely haul heavy loads around Louisville. The next letter is the speed rating. Not all tires sold in Louisville are speed rated. The ratings generally follow the alphabet: the further up the alphabet, the higher the speed rating - with the exception of H - it comes between U and V (don't ask why).
There's a lot of fine print that most Louisville area drivers probably need a magnifying glass to read. But there are a couple of other large print items of interest. One is the tread type: highway, mud and snow, all season, severe snow, etc.
And then there are the Uniform Tire Quality Grading System markings. The first is a tread wear index. 100 is the base line - a lower number is poorer and a higher number is better. All things being equal, a tire rated 200 would wear twice as long, on a government test track, than one rated at 100. These wear grades are only valid within the manufacturers product line - you can't compare with others. And it's important to note that a lower rating might be just what you want - a high performance, sticky tire has a softer rubber compound and won't wear as long, but boy, will it take those corners on twisting KY roads.
The next is a traction grade. This measures the tire's ability to stop on wet pavement in government tests. A - the best, B - intermediate, C - acceptable.
Temperature grade measures a tire's resistance to heat buildup in government tests. A, B and C - from best to acceptable.
It's safe for Louisville drivers to go with the vehicle manufacturers original equipment recommendations that came on your car. But if you want to make adjustments, you'll now be better equipped to communicate with your friendly and knowledgeable American Brake Centers Inc. tire professional.
American Brake Centers Inc.
3435 Bashford Ave Ct.
Louisville, KY 40218
502-459-0355
www.americanbrakecenters.biz
Which Item Is Most Stolen from Vehicles in Louisville?
Posted May 3, 2026 1:10 PM
Which item is most often stolen from vehicles in Louisville?
Is it:
- Stereo
- Wheels
- Air Bag
- DVD System
Well, if you said stereo – you used to be right. But airbags have now surpassed stereos as the biggest target for theft in KY – approximately 50,000 a year are stolen across the country. New airbags cost about $1,000, but go for $50 to $200 on the black market in KY.
Stolen airbags are making their way back into cars that have been in an accident. Of course, the danger to the consumer of having a stolen airbag installed is that you can never be sure what may have previously affected them and if they will work right when you need them.
Contact us at American Brake Centers Inc. for more information about where to get your airbags checked or replaced.
Find us at 3435 Bashford Ave Ct., Louisville, KY 40218
You can reach us by phone at: 502-459-0355
There are reports that 1 in 25 airbag replacements are stolen or salvaged airbags – or no airbag is installed at all.
That is definitely one car part you don't want to take a chance with, so American Brake Centers Inc. recommends following these guidelines:
- Use a reputable collision repair center that employs ASE certified mechanics (we can offer recommendations at American Brake Centers Inc.).
- Inspect the invoice to ensure that the repair shop purchased the airbag from a manufacturer, dealer or recycler. If you can inspect the airbag prior to installation, it should be packaged in a sealed container from the manufacturer.
- You will see the SRS light (Supplemental Restraint System) when you first start your vehicle up. This tells you that the airbag system is activated. If you do not see the SRS light, there is likely a problem with the airbag system.
American Brake Centers Inc.
3435 Bashford Ave Ct.
Louisville, KY 40218
502-459-0355
www.americanbrakecenters.biz