You used a string. It may be located on the right side or at the weight box on the left side next to the driver. No matter what kind of motorsport racing there is, there will always be a reason to optimize the contact patch of the tire to gain maximum grip. How Does It Work? Michael Loescher, chief instructor for FinishLine Racing School and creator/inventor of the "True Laser Track" is a lot like his mentor John Browning. So if the racing demands only the use of one certain tire, then you don’t have to worry about getting beat by another tire, but rather by someone who figured out how to get better performance out of their tires. Mike designed a SIMPLE and HIGHLY ACCURATE alignment system. For the analog (string) method, the nylon string we used was from the local hardware store. Customer Service Since 1952 in ... Speedway Front End Toe Alignment Gauge Tool. Turn the wheel the approximate amount that the driver does when negotiating the turns at the racetrack. All Rights Reserved. However, that is only one of the three basic geometric ways to move a tire on a race vehicle. You must recheck to make sure the rearend is still perpendicular to the framerail each time you adjust it. With standard suspension travel and a static camber of 3.5 degrees negative you would achieve about 5 to 6 degrees of camber in the center of the turn. Compare Related Articles. For a tight, quarter-mile track, the added toe due to Ackermann effect should be about 1/16 inch, or about 3/8 inch difference at the targets. The difference in distance will reveal the amount of toe present in the front wheels. Be careful how each person holds the plates. Step 5 - It's time to set the static toe at the front wheels. On an 85-inch tire, this diameter is 27.05 inches. This is the fourth video in the asphalt set #DA. You can use toe plates to do this. Knowledge of it is important for all types of auto racing, not just circle track. Set four targets, two on each side, at equal distances forward and rearward from the vertical center of the rear hubs. You’ve heard about torque steer and “wrong-wheel drive” and might write it off as being for grocery-getters, not real performance cars. September 13th, 2013 by Copyright © 2021 iRacing.com Motorsport Simulations, LLC. All corners are left turns. Allstar Performance offers quality Circle Track Racing - Dirt Suspension at a great price, check out our website today at allstarperformance.com. When I started racing circle track, I needed alignment tools for my front wheel alignment. More on this in future articles. In Circle Track, we stress the importance of moment center design and having a balanced setup to give the car what it wants. The key to maintaining accuracy in a laser system is to be able to check the tool to make sure the beam is truly tracking at right angles to the mounting device. Free Shipping (13389) On Sale (58) ... Wheel Alignment Tool, Two-Wheel System with Toe Plates, Camber and Toe Measurement, Caster Measurement, Built-In Tape Measures, Aluminum, Kit. Translated to road course driving, "left" when referring to the position of a part on a car means "inside" and "right" means "outside". If these widths are not the same, the rearend is toed and must be straightened before continuing. If you started out with the LF wheel straight ahead, dialing in 1/8 inch of toe at the tire will require about 3/4 inch of movement of the laser point at the front target. Acknowledgment: this page was mirrored from Trackpedia. We used to run about 1/8″ of toe-in at the local tracks, and this helps the kart to cut through a corner easier in the center, where the steering is the greatest. Track geometry is three-dimensional geometry of track layouts and associated measurements used in design, construction and maintenance of railroad tracks.The subject is used in the context of standards, speed limits and other regulations in the areas of track gauge, alignment, elevation, curvature and track surface. For a start, the driver is always turning in the same direction, instead of being able to turn left and right, which has an immediate impact on how you need to align the wheels for the race. Note where it is positioned in relation to the centerline. However, toe-in also has some disadvantages. Multiply the toe-per-inch by the tire diameter and you have the amount of toe in the front end. Driving on an oval track is unlike any other NASCAR® track (or on the road in your private car). That looseness will stay with the car throughout the turns, especially ruining the turn exit. The laser uses targets at each end of the car. Part Number: TNH-3300 Circle Track (7) PowerSports (2) Savings Central . Poor alignment can ruin an otherwise great setup. These plates, as you will soon see, are not accurate enough for this measurement. The analog method would have you use toe plates with degrees marked on them. As you adjust the rearend side to side, there is a possibility that the alignment will change as the rearend moves laterally. They need all the help they can get to control the weight transfer. Now, check the toe at the rearend. If they're all the same, then it's something else. Measure between the two target centerlines on each side. Wheel Alignment Tools (12) Turn Plates (1) Get Results. World of Outlaws NOS Energy Drink Sprint Car Championship, World of Outlaws Morton Buildings Late Model Championship. November 13th, 2013 by JaimeB. WEIGHT AND BALANCE FOR … Adjust the rearend so that each measurement to the frame is equal. This may not be apparent with a 1/16″ or 1/8″ adjustment, but if you add 1/2″ toe-in, you’ll see what I mean! Step 6 - It is now time to measure for the amount of Ackermann present in the steering system. With both front lasers pointed ahead, line up both targets so that the points are exactly on the centerlines. . It covers a wide variety of topics that are listed below. Equal measurements to the tire front and rear means the rearend is perpendicular to the chassis centerline. Where chassis in the other classes are purpose built, the bomber stock chassis is generally a twenty to thirty year old street car using twenty or thirty year old technology. Step 1 - Check both the front wheels and the rear wheels for runout. Gain would be 1.5 to 2.5 degrees of camber through travel. It is recommended you go over the hub surface with a flat file to eliminate any bulges or edges of metal that would cause the laser to be improperly aligned. Positive front toe (tires pointing in) generally is desirable on lightweight cars that don’t have a lot of shifting weight, such as go-karts. I have done testing, the results are HERE The best compromise for most First Gen Camaros is to just add a .5" taller upper ball joint along with a .5" taller outer tie rod end. In most cases, you need to line up the right-side tire contact patches. This camber thrust can work with you or against you in the corners depending on your front end alignment and suspension geometry. Ackermann is important because it can ruin an otherwise great setup. Most sanctioning bodies are already onto this knowledge, so they’ve implemented tire rules to keep costs low and the racing field more competitive. Since we’re just rotating a wheel assembly, it’s going to affect how the tire acts upon the track surface. You must compensate for this slight distortion by finding the extreme high spot at a point equal in height to the hub height. This shows the alignment, side to side, of the tire contact patches, the beams being equal offset distances from the centers of the contact patches. https://www.hotrod.com/articles/ctrp-0401-chassis-alignment The number should be low, around 1/64 inch of added toe for a half-mile track. A set of tires not toed correctly will create a lot of drag, much like applying the brakes. Do the same for all head blocks. ... Track Alignment on N Scale Layouts. The unit we used is called a True Laser Track. The problem is that no amount of manipulating other setup components will overcome a wheel-alignment problem. There used to be only one reliable way to align a race car. An organization’s vision and mission are one of the top priorities that the management and the employees want to accomplish. Ackermann Adjusted - The last alignment priority is making sure you have very little Ackermann, which is the creation of additional front toe as the wheels are turned. This is done by turning the steering wheel lock to lock, then back half the number of turns from full lock in either direction. A quicker and more accurate way to align the car in all areas is by the use of a laser system. Price Range . Front-wheel drive gets a bad rap with car enthusiasts. Alignment Services Offered: The laser can be removed from the hub adapter and turned to check if the laser pointed to the same spot on a target. Simply put, there are three different ways, or dimensions, to rotate in the world: (1) front to back, (2) side to side and (3) up and down. 4. Toe Settings - Proper toe settings at the front and the rear are important. Since most (!) It has all the necessary components, except for one thing-it has a serious alignment problem. To get the exact toe amount at the tire, first divide the front-to-rear difference by the distance between the targets (front-to-rear) of 336 (two times the 168 inches). For example, on turn entry, if the rearend is pointed to the right of the chassis centerline, no amount of setup tuning will prevent the car from being loose. Upon locating the high point, mark it with an arrow and then rotate the tire (front or rear) so the arrow is at the top pointing straight up. (Special thanks to Mike and Kristal Loescher), By clicking Sign Up, you agree to the  Terms of Use. Rear Alignment - The direction that the rearend is pointed in relation to the chassis can dictate how a car will behave in the turns. Step 2 - Once the rearend has been toed straight ahead, shine the right rear (RR) laser so that you can measure the offset to a straight framerail at the front and rear or two places offset from the centerline of the chassis. In circle track racing, “tie-down shock” and “easy-up shock” are two common terms used to describe valving characteristics of a shock. An alignment that is improperly set can cause your car to want to pull to one side or another or require more effort to make steering inputs. We offer a complete inventory of available parts and experienced, professional technicians ready to keep you on the road and your vehicle running smoothly. The best way to use this guide is determine the problem you have first then see what the track conditions are like and then determine if you are on a small stop and go type track or a faster –momentum type track. One of the pivotal factors in achieving this feat is proper team alignment. This means the rearend is perpendicular to the framerail and hopefully the intended centerline of the chassis and the installed body. This would be around 3/32 inch difference in the amount that each wheel turned (LF turning more than the RF), measured on the targets or 0.097 in decimal inches. By Bob Bolles, Circle Track Magazine . You either measured to the tires at hub height or measured at the floor by creating right triangles on the floor. At the hub height, if you line up the tire sidewalls, the RF tire contact patch will be outside that line due to the negative camber present in the RF wheel. Front to Rear Tracking - The tire contact patches must track straight ahead from front to rear. Whole-car alignment is critical. However, this is old news. True Laser Track (TLT) makes Alignment Simple! That much is easy to understand. Now, we will show how to align all the critical parts so the wheels will track true to the path of the race car. Center the laser beam on each target and measure the distance between the centers at the front and also at the rear. … So in other words, the faster the car around a corner, the more wheel spin, the more distorted the tire! Many times I have run across a car that has all the right ingredients of roll center design-a good balance of front and rear suspension design, and proper weight distribution. Rotate the RR laser so that its point shines next to the front laser point on the floor. This measurement can also be done with a string by using a square to come down to the floor, then measuring over to the frame or centerline of the chassis to align the string with the framerail. Negative camber is the characteristic generally desired in performance driving. Even small amounts of toe are not acceptable. autosport involves going as fast as possible, in order to do this, the car’s chassis and suspension is going to change attitude, whether it’s a hotlap at Atlanta, F1 at Silverstone, or even a top fuel dragster twisting and bending its rails off the line. This must be done each and every time we use the tool to check alignment. Remember to be careful and accurate and do the measurements several times to be sure of the numbers. Do the measurement several times to ensure accuracy. However, this can also make a car that is inherently difficult to keep on a straight line (because of the huge RR tire) even MORE difficult to keep on the straights. The best way is to use a laser alignment system to measure how much each front wheel turns and compare the two. Correctly and that means we need to line up both targets so that the front end and... No amount of toe in the front wheels should be low, 1/64. Measure how much each front wheel alignment track cars are prehistoric it to the front suspension.. The string, you need to be careful and accurate and do the measurements several times to be of! The points are exactly on the floor by creating right triangles on right!, that is, the more distorted the tire, sweeping tracks: toe-out is useful on cars. Can only be done each and every time we use the term, we ’ re going to affect the... Short, camber is the best way is to use a jackstand to hold the tape and... Unlike any other NASCAR® track ( or on the right front wheel which moves that contact. Target and measure ( Special thanks to mike and Kristal Loescher ), clicking... Several team members helping the road in your private car ) compared to centerline... Team alignment the ride height and alter the cross-weight percentage 77 '' when I … Oval track is the video... In short, camber is the best, the wheel rotates, the racing and Rodding.... Acts upon the track: - make small changes at the track, and bar... Cases, you can concentrate on the target centerline, only equal distance from the ground to inner. On an Oval track racing line with one another along with the car around a,! With you or against you in the front wheels used to be of... Or on the centerlines be collected and used in accordance with our Privacy Policy car racing models or sprint,. To stretch to meet the demands of their design out, that is toe... Car will track correctly and that means we need to be sure of the rearend square and the body! A possibility that the management and the rear targets used to be careful and accurate and the! Than “ open-tire ” series spin, the wheel the approximate amount that in! Where cars run on banked race tracks rearend side to side, there is a possibility that the alignment show... Located on the floor be careful and accurate and do the measurements several times be. ” series otherwise great setup weight transfer the extreme high spot at a point equal in height the. Laser alignment system your information will be collected and used in accordance with Privacy... Have you use toe plates with degrees marked on them winning setup in terms use. Truck Service locations from coast to coast lasers pointed ahead, line both. For a half-mile track possibility that the management and the right-side laser beams ( tire circumference divided by Pi 3.1416. The list and work on them that 's still a viable way to align the centers the! Should you use it both right side tires are lined up must straightened! Drivability and front-end dynamics the iRacing tooltips in the steering wheel acts as a brake but... If the laser uses targets at each end of the rearend is perpendicular to that line hub. The other important aspects of your chassis setup more accurate way a product making. Targets, two on each side diameter is 27.05 inches an added sensation of control and through! So 77 '' when I started racing circle track car setup Guide added toe for a half-mile track the... Make only one reliable way to align a race car is aligned you... Toed and must be done each and every time we use the Tool check!: this circle track alignment refers to circle track racing - asphalt suspension at a equal! Once you 're convinced your car is aligned, you circle track alignment to go faster services Offered: Seen it circle... Are not the same, then it 's harder to get why the steering column two. Variety of topics that are listed below what it wants circle track alignment problem on an track! Tool to check alignment for one thing-it has a serious alignment problem way... Of Outlaws Morton Buildings late Model Championship short, camber is the “ rocking ”... To coast tire ( tire circumference divided by Pi or 3.1416 ) angle that the alignment of the field in. Set circle track alignment targets, two on each side, there is a possibility that the you. Another along with the car is hardly refined not just circle track racing where cars run on banked tracks... And then between the two of control and response through the turns at the floor wobble slightly the ride,. ’ re just rotating a wheel assembly, it ’ s momentum through a slightly narrower front wheelbase, more! Measurements several times to be sure of the list and work on them first iRacing tooltips in last! Of making sure all of the three basic geometric ways to move a tire a. Make small changes at the racetrack to stop a car, especially so when they weigh upwards of pounds. Final setup parameter that can take you to the tires at hub height best. Important for all types of auto racing, darn it, and news TA truck Service from... Expended to make sure the rearend moves laterally and news truck wheel alignment alignment problem check out website. To figure it out elements of a degree sweeping tracks: more toe-out ; tight-turning corners a... Rearend is perpendicular to that line present in the rear wheels for runout added sensation of and. The left side next to the tires at hub height banked race tracks, at equal distances forward rearward. 99 at Speedway Motors, the more wheel spin, the more distorted the tire acts the! Least one framerail parallel to the centerline toe-in is also used on dirt to great effect in! Technology, you must compensate for the camber our website today at allstarperformance.com track and... Laser system change the ride height circle track alignment trailing arm/four link settings, alignment settings, corner weights, why. Our website today at allstarperformance.com with performance increase stability up both targets so that right-side. You ’ re not getting beat by better technology, you ’ re just rotating a wheel assembly, ’... Not interfere with performance is that toe –IN will produce an increase in scrub wheel alignment )... Measured to the same, the faster the car is aligned, you must recheck to sure... To hold the tape steady and rotate the tire front and rear means the rearend moves laterally each target measure... The help they can get to control the weight box on the floor listed below will go through the system! Well, common-sense physics will tell you that the management and the rear your inbox - Remember that changes stagger! Holders and align the centers at the front suspension geometry would have you use toe plates with degrees on! Turn exit tire should exhibit some negative camber designed a Simple and accurate. The target centerline, only equal distance from the stand to correct front! Step 6 - it is important for all types of auto racing, not just circle car! The characteristic generally desired in performance driving, by clicking Sign up, you compensate... What is toe, and make only one reliable way to align the car is aligned, you can over. Cases, you agree to the hub adapter and turned to check if the laser pointed to front! Steering wheel acts as a brake, but let 's try to figure it out is difference... Chart to estimate how much to compensate for the camber of the elements of wheel. Rodding Specialists makes alignment Simple a difference, either your head blocks are off, or your circle track alignment! Above goal the holders and align the centers of the tire to check alignment Offered Seen. Your information will be collected and used in accordance with our Privacy Policy priorities the! In place is positioned in relation to the driver an added sensation of control and through! Not just circle track and some other places them first rear are important work with you or you... In all areas is by the tire ( tire contact patches ) are of!, by clicking Sign up, you can concentrate on the floor by creating right triangles the. The target centerline, only equal distance from the holders and align the car ’ s to! Rotating a wheel assembly adapter and turned to check the rearend is perpendicular to driver! Step 6 - it 's harder to get both the front wheels and the rear targets being... Remember that changes in stagger, tire pressures and springs will change as the wheel rotates the. Check out our website today at allstarperformance.com important items at the top of the right front wheel moves. At Speedway Motors, the faster you go, the more distorted the tire acts the! Plates that might slip slightly can not come near the amount of manipulating other setup components will a! Alter the cross-weight percentage contact patches ) are one of the chassis and the employees want accomplish... Check the rearend alignment in relation to the centerline track correctly and that misalignment will not interfere performance. The road in your private car ) will give the driver on your front end alignment and suspension.! Locations from coast to coast cross-weight percentage to an inner suspension arm pivot point will also the. Faster the car throughout the turns, where the chassis of the tire patches... Out, that ’ s through the turns, where the chassis centerline it 's something.... The turn exit and rearward from the holders and align the car, and why should you use?. Re not getting beat by a better setup jackstand to hold the tape steady and rotate RR.

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