If your car has the more favourable set up of negative scrub radius then installing a wheel spacer can cause bigger issues. Not debating positive scrub adds stress, I'm just wondering how much. This is because the entire weight of your vehicle is dependent on the strength of your wheel assembly. Contact | Privacy Policy | Cookie Policy | Terms of Service | Disclosure. This is due to some myths that people hear without actually using the device and due to incomplete information. Last edited: Dec 16, 2011. wheelen disco Well-known member. If you do not know how to install them, already have them improperly installed by either yourself or someone else, or you do not have a clear idea of why you want or need them (and might not really need them in reality), they can be detrimental to your vehicle’s performance and could pose a safety risk to you and others. Installing wheel spacers would not allow the suspension unit to perform its job properly. E. Em cee. fitted to the wheel assembly hub of a vehicle. The latter can bite you. One of the drawbacks of wheel spacers and wheel adapters (as well as wheels with very shallow wheel back spacing) is that these negatively impact … The scrub radius is the distance in front view between the king pin axis and the center of the contact patch of the wheel, where both would theoretically touch the road. Often the bolt pattern, improper torque value on lugs and bolts, etc, and most commonly improper installation of the wheel spacers lead to its failure. The same applies to wheel spacers and although having so many advantages, it also has some disadvantages that may lead to some problems. Best Car Emergency Kit – Be Prepared in Case the Worst Happens! If you think, that you need a bigger brake kit for your car, wheel spacers can help you with it. Normally, the rims of vehicles are 17 inches or less. What Are The Symptoms Of A Bad Purge Valve? The scrub radius is the distance between the center of the contact patch of the wheel and the kingpin axis. Suspension parts can also be affected, depending on how much distance from the main assembly you choose to add. Spacers can allow for wheel assembly components and your brake or suspension upgrades to remain intact by moving the wheels away from your upgraded components. Wheels spacers widen the surface area of your vehicle, which would also widen the track of your vehicle while turning. I've had a passion for cars since 8 years old, and been a subscriber to Auto Week magazine since my 10th birthday. The scrub radius of your car can be altered with different wheel offset and suspension design. Ask any professional out there who’s been in this field long enough how many times they’ve been asked the question “are wheel spacers safe?”. Due to the change in the design of the vehicle’s wheel alignment, installing wheel spacers might make your steering a bit heavier than normal. Wheels can come off during normal driving if the stud length is not correctly adjusted after spacers are fitted. Apart from providing so many advantages to your vehicle’s system, installing wheel spacers gives your car a better look. We strive to help you get the information you need about PCD, offset, rims and all other wheel and tire data that you need for your vehicle. ©2020 - VehicleScene.com. Wheel bearings are particularly affected by the use of wheel spacers, since this will alter their load-bearing characteristics. It's not a 1:1 ratio so whether the scrub radius lands +/- or neutral really depends on the new tires, lift and/or spacers. This may also cause damage to both your new brakes and wheels. Just as wheel adapters have their own set of benefits, there are almost as many reasons to avoid them, and there are just as many experts who advise against them as there are those who advocate for them. Spacers are going to change the scrub radius of the suspension, the forces from/to the tires through the suspension will be out of balance and they will try to torque the wheels in and out with changes in suspension.........the links in your suspension should be able to resist this and keep the wheels straight, of course the greater the spacer the greater the forces, so you get 2" spacers you should be … They can help you answer all of your fitment questions, installation concerns, or any other issues you might have in mind. Wheel spacers are totally safe when installed properly and they can surely enhance the performance of your car in many ways. These types of spacers bolt onto the hub of your vehicle, causing its wheels to be bolted on the spacer. Best Trunk Organizer – Buying Guide and Top Products for 2020, 51 Things to Keep in Your Car – Some Essential, Some Optional, All Useful, Best Car Neck Pillow – For Pain Relief and Comfort on the Road. Also, always purchase wheel spacers from a reputable source. Bearings should be fine. Fix Automatic Transmission Stuck In 2nd Gear Or 3rd Gear. Each vehicle has its own set of wheel spacers, and you should install only that to your vehicle. This can be important on a truck or SUV with a high center of gravity. On the other hand, they can be very bad if they are installed incorrectly, made of cheap materials, or if you are unaware of the advantages and disadvantages they offer, as well as what exactly it is that you’re getting them for. Subtle changes may not adversely affect the performance of your suspension but drastic changes could cause extreme handling dynamics. Possibly the main downside to wheel spacers is safety concerns. In other words, wheel adapters are added to the wheel assembly to increase how far they stick out from your vehicle, increasing its track width. This is not true at all. And, considering smart offers several rear wheels widths with corresponding different offsets, scrub radius on a car with small front wheel spacers may not be any different than some of the rear wheels offered. Make sure you buy the right set of wheel spacers that are made to fit your car’s wheel assembly and install them correctly. What Are Wheel Spacers? Installing wheel spacers would give more clearance in the wheel hub assembly and allow you to install a bigger brake kit. This is more dangerous and may cause scrubbing action in the front tires. Whatever type of wheels you have, your vehicle will need to match up with the type of spacers you may choose to buy. After examining wheel spacers and what they exactly do for your vehicle, the question that remains is whether they are good or bad for your vehicle. There is little point in upgrading your vehicle’s brakes only to find that they will not allow your wheels to spin freely. If these two lines intersect at ground level, then you are said to have zero scrub. The taller the tire gets on a given front end and wheel offset the less scrub radius you get because the two lines (tire center line and king pin inclination) have a longer distance to intersect as the tire gets taller. Wheeled those fairly hard. I've had spacers on two Nissans and a 4runner before I even knew what scrub radius was. It interests me. Go. This would make you experience more shocks on a bumpy and uneven road. Every component fitted to your vehicle can pose a safety issue if it is not fitted or installed correctly, but wheel spacers that are not correctly installed can have far greater consequences than many other parts. Ever since I turned old enough to drive, I have driven as many vehicles as possible, while teaching myself how to perform maintenance and upgrade work on every vehicle I've owned. This in return requires more pressure and effort on the steering while driving at low speeds. Wheel spacers are generally used in custom made cars and those having large tires. Myth 2- Installing Wheel Spacers Lead To Bending Of The Studs, Myth 3- Installing Wheel Spacers Disturb The Balance Of The Wheels, Pros And Cons Of Installing Wheel Spacers, Why Does Steering Wheel Lock Up While Driving? Wheel 5 or 6 times a year. Most know that their tires will eventually need to be replaced as part of general vehicle maintenance tasks, but the wheels around which the tires are wrapped simply exist as a matter of preference. Everything You Need to Know. The larger sizes are more common for off-road vehicles. I am thinking about getting pretty large spacers for the look, since most of my driving is low stress on the suspension and remove the spacers … Increase scrub radius: Although spacers increase the track width, they can also increase the scrub radius which later affects the inner fender-well clearance of the vehicle. Off-roading causes a lot of wear and tear between these components, but wheel spacers can help reduce this wear and tear by increasing the area between the wheels and nearby components. grinchy. All these myths are totally false and the only reason for the problems people face while using wheel spacers is due to improper installation of it or installing wheel spacers that are not made to fix your car’s wheel hub. An increase in positive scrub radius also causes the wheel to gain positive camber when the wheels are being turned, reducing grip in corners on the front wheels and producing understeer. The short answer is that they can be very good for your needs if they are installed correctly, they are of high quality, and you know exactly what you need them to accomplish. Just because an aftermarket part says it fits your vehicle, this does not always guarantee it. I do care what the effect of the spacer's change on scrub radius is. This is because the wheels are pushed out of the mainframe of the vehicle after installing the wheel spacers. You would need to get used to this mechanism before you find it comfortable. However the addition of lager diameter tires will move it negative. This, in turn, increases the traction control of the vehicle over the road. This makes a negative scrub radius less negative, maybe even positive. I understand scrub radius and such. If the SAI intersects the ground at a point inside or outside of the centerline of the contact patch, you are said to have positive or negative scrub respectively. Improve driving experience: Using custom made spacers for your car type increase your driving experience. Are you referring to the caster angle, steering angle, camber, sway bar rate, the speed and G generated during the turn or all of the above, and what exactly got changed negatively? The outward movement of the wheel can make a negative scrub radius become … Spacing wheels out by means of smaller offsets or spacers increases the scrub radius. This would make them spin in opposite directions and the handling of your car would become unpredictable. Are Wheel Spacers Safe? Eibach make 3 wheel spacers, hub centric, in sizes 0.984252, 1.06299 and 1.1811. Most of the potential buyers generally want to know “are wheel spacers safe, any problems expected?”, let us find out in this article. [5 Fixes], Clunking Sound When Turning Your Vehicle? So, we have discussed all the problems you could face after installing wheel spacers and have also discussed some common myths that stop people from installing them in their car. If you want all the advantages from the wheel spacers, you need to install them for all the four tires. The scrub radius (SR) is the distance on the ground between the centerline of the tire contact patch and the point at which the SAI intersects the ground. Are Wheel Spacers Good or Bad? While it is true that wheel spacers will increase the track width to your vehicle, it will also increase your scrub radius and your inner fender-well clearance. However, what issue would be amplified by the spacer? Wheel spacers can add anywhere from a few millimeters to a few inches of extra width to your vehicle’s track. This … Chassis engineers use scrub radius to create the feedback the driver feels through the steering wheel. The major purpose to install wheel spacers in these vehicles is to avoid contact of the wheels with the wheel hub assembly and the suspension unit. It'll increase steering effort, probably increase wear of power steering. Installing wheel spacers that would match with your tires offset and the wheel hub would allow you to do this. If you like this article and have any queries, let us know in the comment section below. Improve the Handling Characteristics of Your Vehicle. The main effect of this is to introduce a turning moment. They are installed between the holding bracket of the vehicle and the wheel. Wheel spacers can be used to change wheel bolt patterns and to widen the offset of the wheel. I drive a lancer evolution x and the stock wheel size is 18×8.5 +38. How Do They Work? I can think of a simple rule . Suspension upgrades may also cause the same types of issues. The tires may lose grip and may lock up while braking. +engineering explained @engineering explained Wheel spacers are often used to clear big brakes with aftermarket wheels. There are some incidents that have raised questions over the safety of the wheel spacers. How to Wash Your Car: The Ultimate Guide (28 Steps & An Infographic), How to Read Tire Sizes: Explaining Different Numbers & Digits You See, How Much Paint You Need to Paint Your Car: A Detailed Guide, How to Cover a Broken Car Window: A List of Temporary Solutions, How to Turn on Fog Lights: Where to Find It in Different Makes & Models, Best Car Air Purifiers In 2020 – (Product Reviews & Buying Guide), Best Heated Car Seat Covers – Comfort, Controllable, & Massage Options. This will, in turn, cause your steering wheel to want to recenter itself much quicker and cause you to make more effort when turning at low speeds. Cars with strut suspension are more likely to have a negative scrub radius, and cars with double A-arm suspension are more likely to have a positive scrub radius. Adding wheel spacers to your vehicle may be necessary for upgraded component fitment such as brakes or suspension. Virtually all ABS equipped cars have negative scrub radius. Lifted pickup trucks are prime candidates for wheel spacers, because a lift kit or some sort of other suspension enhancement may cause tire or wheel rubbing. Last but not least, understand why you need wheel spacers and what they are intended to accomplish. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. So, you need to install them at all the tires. Check out this piece about hub centric vs lug centric if you’re interested in learning more about this. Regardless of the type, quality, or material of your wheel spacer of choice, it will not be beneficial at all if the fitment or bolt pattern is incorrect. In the end, you are the only who can truly answer the question of whether or not wheel spacers are good or bad for your car, and you are the only one who can completely control your entire wheel spacer experience from start to finish! Wheel spacers are devices that are fitted to the wheel assembly hub of a vehicle to increase the distance between the wheel itself and the inner wheel well. 1; 2; 3; First Prev 3 of 3 Go to page. Bolt-on spacers are generally used for larger wheel extension. This will not only cause potentially thousands of dollars worth of damage to your vehicle, it may cause a serious accident and personal injury. It is positive, negative, or zero. Everything You Need to Know. But 20mm is plenty. Joined Feb 17, 2018 Messages 3,506 Location Seattle, WA. Pushing your wheels outwards means that you’ll be widening this distance. Spacers only change the one part of the geometry called the scrub radius. You cannot correct this with offset alone, you would need a wider wheel and tire so that the scrub radius is in the same location as it was with the stock setup. So, we think that it’s clear to you that wheel spacers are totally safe to use and they do not cause any harm to your vehicle. Spacers, scrub radius, etc? It is important that the correct length of stud is used to hold the wheel on tightly. They were all properly torqued. Negative scrub radius = toe-in under braking. There are a lot of questions raised over the safety of wheel spacers. For the past 10 years, I've been honing my skills as a vehicle hobbyist, in recent years also enjoying writing car reviews, opinion articles, vehicle how-tos, car-buying guides, and even provide individual consultations for those who need car-buying advice. So you add spacers as many have done and state they have no problem...well maybe they do not recognize that the tire wear is reduced. Positive = toe-out. Let us now discuss the pros and cons of wheel spacers in detail. Also, spacers increase scrub radius beyond what is tested by Ford. It could be positive, negative or zero. Proper scrub radius is required for a safe handling vehicle and also steering effort. Wheel Spacer Pros and Cons Though they mostly provide benefits, there are a few things to consider before you pop a … First my current wheel have 4.5 inch backspacing. Knowing this will eliminate installation mistakes, decrease any safety risks you might encounter, and ensure that your vehicle is kept in the best working order as possible. In short, the scrub radius has a profound effect on how easy it is to turn the front tires of your vehicle. Additionally, spacers that are not torqued correctly, just like when wheels are mounted, may cause the assembly to completely fail, and your vehicle’s wheel may come completely off. When you deviate from OEM, you pays your $ and you takes your chances. Thread starter razzyrazz; Start date Aug 25, 2019; Watchers 12 Prev. Installing wheel spacers could make the scrub radius become zero. If you know what wheel adapters are (which you obviously do by now after reading the above sections), you know how to correctly install them or already have them properly installed, and you know why you need them, they can be very beneficial. The “scrub radius” describes the angle at the lever. The scrub radius is the distance between the center of the contact patch of the wheel and the kingpin axis. Save my name, email, and website in this browser for the next time I comment. There are several different types of wheel spacers which have their own set of benefits and downfalls: There are two types of wheels on vehicles: Lug-centric wheels and hub centric wheels. On the front suspension, a positive scrub radius gives stability because it causes toe out when braking and toe in when accelerating. There is no device in this world that provides you with 100% efficiency and has no disadvantages. Is There Anything Else You Need to Know About Wheel Spacers? Let’s take a look at what wheel spacers are, and discuss whether or not they are actually as good or as bad as people say they are. The answer to this question is twofold. Home » Accessories » Are Wheel Spacers Good or Bad? Never had any issues with suspension. It is positive, negative, or zero. If you are unsure about any of this or are uncomfortable about installing wheel spacers by yourself, always consult a professional, and definitely have them install the spacers for you if you can afford it. And, more importantly, change car's handling characteristics. In some cases, installing wheel spacers might put additional pressure on the suspension components, and as the wheels will not be touching the ball bearings, it may reduce its lifespan and the wheel bearings might get worn off earlier than normal. If the scrub radius of your car is positive, installing the wheel spacers would further increase the positive radius, and the pressure on the steering rack while braking would be increased. Altering that will always cause a decrease in component life, because you are straying from the designed purpose of that particular component. Rather than spend thousands of dollars more on different wheels, spacers can correct this issue at a fraction of the cost. Personally I don't care about ABS on my Land Rover, but it could matter to someone. Cheers! All the load from the wheels is due to the clamped force that is transferred to the axle by friction. This would put all the pressure of the vehicle on the loose wheel studs and may bend the axle. Also, installing them only on the front or rear tires would lead to understeering of your vehicle, and you would experience the grip only at that side, which contains the wheel spacers. It is totally false to say that installing wheel spacers would disturb the balance of the wheels of your vehicle. But when looked after the cause, it was found that the cause for the problem was not the wheel spacers, but the improper installation of it. Cons: 1. Along with the width of the track, wheel spacers tend to increase the scrub radius that gets harsh on the fender-well clearance on the inside. Wheel spacers increase the clearance between the wheel hub and the wheels, avoiding contact between them. I just pulled my 1.5" spidertrax spacers and ran with my stock rims (14 rubicon that had just been aligned ie toe in set) the alignment was done prior to pulling spacers and I was actually surprised how much better it drove without the spacers which leads me to believe that scrub radius makes a big difference. Installing wheel spacers correctly would actually increase your handling, traction control and avoid rubbing of the wheels over the wheel hub and suspension components. Your steering could become unpredictable. It may only be after your stock wheels are damaged, your brakes need to be replaced or you want to jazz up your vehicle’s appearance that you will want to know about wheel spacers and if they are actually good or bad. We will discuss here some common myths that are trending in the market about the wheel spacers and see if they are true or not. I do not recommend wheel spacer unless the afermarket provider has documented via testing to Ford Standards that the spacers … Any kind of aftermarket parts you could add to your vehicle always pose the risk of incorrect fitment. But a wheel spacer or deeply offset wheels will change it from negative to positive. spacers affect scrub radius by inducing an effective negative offset to the wheels which then affects the scrub radius. Look that up to see images of what that is, that will make it clear. Lug-centric means that the lugs themselves do the centering due to an increased hub diameter. In short, the scrub radius has a profound effect on how easy it is to turn the front tires of your vehicle. For this reason, they are usually used to accommodate minimal wheel extension. Wheel offset measurement, the distance between a wheel’s mounting point and its centerline, is a commonly miscalculated piece of information that could cause your brand new wheels to be incompatible with your current brake setup. not all spacers are 100% even during manufacturing. You can always consult a professional for any assistance when it comes to equipping your vehicle with wheel adapters. It is rare that wheel spacers are equipped for the sole purpose of making a vehicle look different, but it is nevertheless a cheap and simple modification that can give your vehicle a unique appearance without having to do much more than that. You could experience a jerk in the steering wheel on a bumpy road. Best Steering Wheel Lock – For Increased Security, and Theft Deterrent. Fitting larger or even different brakes to your vehicle may cause clearance issues with your stock wheels. Cars usually do not have as many rollover issues as trucks or SUVs, but the concept remains the same, and serious performance enhancements can be achieved by simply extending a vehicle’s track. Brake, wheel, and suspension upgrades can be expensive. The major problem after installing wheel spacers is that it can alter the scrub radius of the car. The answer to the question of whether or not wheel spacers are good or bad is very subjective. The scrub radius is the “lever arm” of longitudinal forces applied at the contact patch (when braking). Find and follow us on your favorite social network from those below! The CAD drawing below shows a stock wheel at 5/1 with a 30” tire on it. This guide is accurate and is updated on a daily basis. Your stock vehicle setup is the way that it is because the manufacture designed it like that. Also, wheel spacers allow you to install a variety of tires that you could not install otherwise. In addition to writing for Vehicle Scene, I currently write for Autolist, and also own and operate my own vehicle blog website, The Unlimited Driver. Spacers installed on your vehicle always pose the risk of incorrect fitment between. ( 1.75 inches ) or larger lug-centric means that the lugs themselves do the opposite, if installed properly the. Your driving experience: Using custom made spacers for your car has the more favourable set of. Clear big brakes with aftermarket wheels safe when installed properly only reason that may occur due to.. Best car Emergency kit – be Prepared in Case the Worst Happens by Ford 2011. wheelen disco member. Point in upgrading your vehicle ’ s brakes only to find that they will give..., wheel spacers that would match with the tires you want all the tires do rub... I think ) a slight negative to positive addition of lager diameter tires will move it negative wheel... Terms of Service | Disclosure after installing the wheel hub assembly and allow you do! The load from the center of the wheel spacers can add anywhere from a millimeters. Some incidents that have raised questions over the road incorrect fitment find that they will not any! Also widen the surface area of your vehicle always pose the risk of incorrect fitment problem after installing wheel and... Instead, they are installed between the wheel spacers scrub radius and lower ball joints the... Made cars and those having large tires, your vehicle a unique more! Times a year website in this browser for the next time I comment scrub radius create. Avoiding contact between them the line between the wheel hub assembly and allow you to install them all! Components or any other issues you might have in mind from the mainframe of the vehicle will need use... 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By the spacer clearance issues with your stock vehicle setup is the line between the wheel the... Driving at low speeds 17, 2018 Messages 3,506 Location Seattle, WA Accessories » are spacers... Always pose the risk of incorrect fitment let us know in the steering while driving at low speeds been! Placed, the scrub radius has a profound effect on how easy it to. Your vehicle may cause scrubbing action in the long run due to incomplete information Symptoms of a..