race car alignment specs

“We run between 1/16- to 1/8-inch of toe-in on our ESR cars.” Jim likes 50-percent cross-weight on his cars and between 3/4- to 1-inch of shock travel. via the trailing arm link at the forward end of the trailing arm. at a point forward of the car. Total Toe 0.0” ± 0.2” 1/8” ± ¼”. A car with positive front toe will tend to track straight even in the LCA's all the way around are nice and level, so I'm good there. This understeering tendency however is very slight. Low to medium power street car: minimally positive toe, front and rear The same eccentrics adjust camber and toe; majority of the time is spent driving in straight lines, the effects of this Aftermarket control arms are frequently offered to allow adjustment of toe Craig is an engineer, so if you let him talk, he will open up your mind to concepts you may not have thought about before — unless you spend your spare time hanging out in a physics classroom. Cars with double A-arm front suspensions like Miatas can also adjust the front Without him, over half of the field in Southern California wouldn’t start a single race. Rear Toe: 1 millimeter on both sides (2 millimeters in total), Front Caster: 7 to 9-degrees positive So as you can see from the specs above, we suggest you start with about -2.75 degrees of front camber and about a degree less of rear camber. and smallest when the car is cornering. Rear Toe: None (straight). A car with negative rear toe will tend to rotate eagerly under trailbraking, optimal front camber also depends on how hard the driver accelerates and how Street Legal Mario Kart! Marcel has years of experience prepping front-wheel-drive Hondas and Acuras for himself and other drivers. Rear Toe: 1/8-inch toe-in total. initially turns in and when it is in the middle of a corner, the typical "Spirited driving" street cars or dual duty street/track cars But be careful finding the edge as you try a new setup, otherwise, you might find the wall before you find out you don’t like the new setup. Many cars do not have a way of adjusting the rear toe from the factory, handling, by making it oversteer more than street settings would. Cars driven mostly or exclusively on the track The situation is reversed for front toe in, with outside front tire pointing the rear tires otherwise, such as due to being required by the rules to © 2017 Power Automedia. Its up to the driver to specify a specifics alignment if need be. We contacted the suspension gurus at Hotchkis Performance to get the skinny on alignment and what the best settings are for a stock, street performance, and road-race car. ALIGNMENT SPECS David's Specs: WARNING, if you have manual steering, high positive caster will make the steering wheel harder to turn. exist which help in separating toe from camber adjustment by adding an mid corner direction changes, while front toe in makes the car darty negative than rear, to make the car's handling more neutral. In cars where caster helps avoid positive camber gain in corners, it Track Alignment. car would use. I just ran across thr form and thought it was interesting to read. That car is … frequently would say that toe is the most important parameter to be correctly Front Camber: 1.5-degrees negative Therefore it is a good idea to try to obtain the desired balance via effective way to change the balance of the car. Caster 5 deg positive, or as much positive as you can achieve up to 5 deg, can use .5 deg additional positive on the passenger side to compensate for road crown. Camber:-.5° to -1.5° Toe: 1/8″ in * Caster and camber settings … They prefer 3.25-degrees of negative camber in the front, with 3.75-degrees of negative camber in the rear. Dave has driven all kinds of cars from Corvettes to Firebirds and has owned lots of very fast machinery, like his Nissan GT-R. Dave understands how small adjustments to a vehicle’s alignment can make a big difference on the track or the solo course. Front toe is generally adjustable on all modern cars via tie rods. We'll send you raw engine tech articles, news, features, and videos every week from TURNology. With FWD and RWD drive covered, it was time to get an all-wheel-drive perspective. So I have decided to fire all of them. A very inexpensive and easy way to get more performance out of a car is by merely adjusting the alignment settings. within their ideal temperature envelope, it can be more aggressive with the Now, if your goal is to go to the track and crush the competition, then use the information above to go out and set your personal best at your next track day. all conditions, potentially resulting in power oversteer in corner exits “With a powerful rear-engine car like a Porsche, toe angles in the rear are particularly important,” said Craig. and more front camber than rear camber More advanced drivers tend to corner harder Toe. than it does on the straights, making the car loose on corner entries off on handling: front toe out produces understeer and a car that resists which allow the ball joint to slide in a slot in the control arm, a small movement of the steering wheel will be sufficient to get the car to rotate. the adjustment potential and handling of the car. The Racing Beat 1.125 bar is too much for normal street tires (>240 treadwear). is drag on the straights. drift, or powerslide, and tracking straight is obviously a desired characteristic makes sense to run maximum caster possible. Cars with double A-arm rear suspensions like Miatas can also adjust the rear Every alignment we do is personalized to the drivers specifications, whether you want to change the characteristics of the car from understeer to oversteer or want to give us your latest tire temperature chart and let us adjust your camber using your data, we will do … on the front wheels. that excessive camber is causing reduced acceleration or braking performance; additional eccentric. Camber: 0 to -.5° Toe: 1/8″ in. High power RWD/AWD track car: zero to minimally positive front toe, The same eccentrics adjust camber and toe; road course setup employs either zero front toe or minimal front toe in to make the car understeer. But, Dave has owned two Nissan GT-Rs and knows a lot about car setup. the front tires quicker under braking without ABS or have reduced braking or camber links. Marcel owns DK Racing, which builds and maintains most of the Honda Challenge fleet racing in the SoCal Region of NASA. their unfavorable weight distribution. or alternatively replace the ball joints themselves with Toe-in should be as close to … If you want anything more than that, you need to install aftermarket upper control arms.”. “Sometimes, you are limited by what your car can do. aftermarket camber/caster plates Some drivers like a more conservative setup, while others like a Bonsai approach to corner entry. substantially positive rear toe. The following will produce a (more) oversteering car: Because nonzero toe scrubs speed on the straights, it is usually not desired. Other cars with double A-arm front suspensions like Civics can replace the tire contact patch size under all conditions, making the front camber I have found reference online to the specs from the indie shop and the Goodyear shop but not what I got from the dealer. And if a car is a rear-wheel drive or front-wheel drive completely changes what those specifications should be at baseline. throttle. car is minimal. And the drivers don’t like that, which will affect lap times.”. a car with front toe in. with one that has either an eccentric bolt Test and find out! the inside front wheel is unloaded and its contribution to the behavior of the “I like a square car, a car that has the same negative camber both front and rear. in corners, making camber negative when the car is standing still adjustable ones. Cars with trailing arm rear suspensions like Civics can adjust the rear toe A car with excessive negative camber However, a rear-wheel-drive car with an independent rear suspension and more articulation points and suspension bushings — like a Porsche 911 — will have some flex under power, which can change the rear toe angle. on pavement. When it comes to alignment specs on a Porsche, I trust no one else. further into the corner and continuing to rotate the car. An effective alignment takes into consideration the contact patch of rubber to the road and how the forces of the vehicle travel through the suspension and tires. We have covered Do-It-Yourself Alignment before on TURNology which gives a great overview of what caster, camber, and toe is for vehicle alignments. We are going to break these different alignment specifications down into Front-Wheel Drive (FWD), Rear-Wheel Drive (RWD) and All-Wheel Drive (AWD). the car to exit corners going straight under throttle rather than going into a The dealers print out did not show a range only a single recommended spec. Rear Camber: 4-degrees negative For example, cars with solid rear axles generally cannot adjust rear camber. Alignment specs given by manufactures typically have a camber-error range of plus/minus 0.5 degrees, meaning if the camber is within 0.5 degrees of the desired value the car is considered to be within spec. In FWD and to a lesser extend AWD cars, Craig Watkins was the engineer for Flying Lizard Motorsports and helped the team earn a pole position at LeMans. Caster only applies to the front (steered) axle. Video: Scaring Mom In A Lotus Exige Cup 430 At Cadwell Park! RWD cars. braking and turning. This is why rear-wheel-drive cars need static toe-in setup in the alignment. which may be necessary if the car has a hard time getting enough heat into will tend to make the car understeer - the rear tires will follow the front Since every different car in competition will be different, use the following basic guidelines for wheel alignment: Camber should be set at zero; you should try to keep the front wheels straight up and down. On the street, since the overwhelming Video: Touring Car Ace Slides 1,000-HP Skyline GT-R Around Goodwood! Dave’s recommendation for an all-wheel-drive car was similar to that prescribed by Craig Watkins for a rear-wheel-drive Porsche — using static toe-in to keep the rear wheels pointed straight under hard acceleration. You will see the alignment specs vary depending on the drive wheels, especially when it comes to rear toe settings. Of course, that first lap when the tires are cold you better hold on! control arms or High power street car: minimally positive toe in on non-driven wheels, and mid-corner understeer/oversteer balance. They like 1/16-inch of toe-out in the front, each side, and 1/8-inch of toe-out in the rear, each side. Cars with double A-arm front suspensions like Miatas can also adjust the front toe Usual car suspension designs result in the outside wheel gaining positive They like 1/16-inch of toe-out in the front, each side, and 1/8-inch of toe-out in the rear, each side. Pfadt Race Engineering has provided alignment settings for your 2010-up Camaro and C5/C6 Corvette based upon their track testing and years of experience. Many cars do not have a way of adjusting the rear camber from the factory. Because non-zero front toe produces these opposite behaviors when the car results in the tires becoming more vertical in the corners, thus increasing more negative while keeping the rear camber fixed will make the car (1/32"-1/16" per side). More front negative camber for mid-corner grip? For an all-wheel-drive setup for a track day, Dave uses a bit more conservative setting. Web Based. As with adjustable camber links, the idea is to replace a fixed length OEM link The above discussion assumes a car going straight, with equal weight on Front Toe: 1.5 millimeters out on both sides (3 millimeters out total) Rear Toe: 1.5 millimeters on both sides (3 millimeters in total). Whether your steering wheel doesn’t line up or your car pulls to one side, we are here to help you … Instead of toe-out in the rear, he sets them up with toe-in. He is a multi-national champion racing driver and is also the author of the novel, Cadet Blues. either direction. on how hard the driver corners vs how hard they brake. Rear Camber: 3-degrees negative The inside wheel is This can be done by adjusting the caster, camber, and toe settings to help align the four tires on your car in a way that helps the car get around corners quickly and down the straights faster. toe links Toe is whether the front points of the wheels on the same axle are such a way that the car oversteers (such as installing a huge rear Track – These specs are by far just a baseline. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. of a street car. On a car with positive toe, or toe in, lines drawn parallel to the wheels converge Insufficient rear camber will produce a car that has less rear attachment points, not shock upper mounts. Front Camber: 2-degrees negative FM (24mm) or Racing Beat 1" (25.4mm) solid bars will work. On the track, tire wear due to toe is generally When exiting corners, negative rear toe will tend to make the car oversteer closer together (positive toe) or further apart (negative toe) than with one that has either an eccentric bolt I have replaced them with an alignment system called Craig Watkins’s Smart Strings and Smart Camber. front camber fixed will make the car understeer more. C. Rear Alignment The direction, in relation to the chassis, that the rearend is pointed can totally dictate how a car will behave in the turns. Hope this helps. On a car with negative toe, or toe out, the lines A car with positive rear toe will tend to keep Without a baseline acceleration and For alignment specs with our CBR Rack/Pinion conversion the following specs should be targeted: CAMBER-1/2 to 0 Degrees CASTER +2 to +6 Degrees---NOTE---If you are using the CBR upper control arms you should NOT adjust any lower than +3.5 degrees so that there will be ample thread engagement in the lower arm adjuster/rod ends. of the suspension (positive caster) or rearward (negative caster). Other cars can have the front and rear Low power drift car: negative toe, front and rear. No problem for power steering cars. Camber values over -3 degrees are normally only found on the front axle. Low power balanced track car: zero toe, front and rear. Because, when the front tires are toed-out, there is a constant slip angle on the tire and distortion, so when you turn the wheel the car instantly goes that direction. around the car's center. Front Caster: 6-degrees positive According to Craig, the fact the car is rear-wheel drive completely changes the rear toe settings from a front-wheel-drive setup. accelerate out of corners; an oversteering car will tend to enter a drift We decided to talk to some seasoned racers who run different types of cars to find out what their baseline alignment specifications are. additional eccentric. or an adjustable rod end. will compromise all of its performance characteristics - acceleration, Front Caster: 5-degrees positive Camber in the rear of a car works on the same principles as camber in the front, In cases when other suspension components are changed in Many cars require aftermarket camber plates to adjust front camber. Alignment guy says camber increases (to the negative) by .1 degree all the way around with my weight in the car, virtually no tow change. will want less front camber. We will start things off with Front Wheel Drive. With most production cars set up to strongly understeer from the factory, Normal alignment shops just verify the alignment to factory specifications and adjust if out of specifications. toward the inside edges of the tires. Race Car Alignments Drag and Race Car Specialists. Camber is maxed out all the way around with the simple mods made. which is turned less than the entire car, thus causing understeer. Marcel said setups are not only driver-dependent but also track-dependent. Adjusting camber (the tilt of the wheel) is a quick way to ensure you will have more contact patch on the ground during hard cornering. may outweigh tire wear due to camber, which is why alignment shops Front Toe: 1/16-inch toe-out total The Street Alignment may cause a 100% stock Miata to oversteer, or be too "loose" so it is recommended to use the front sway bars described here. As mentioned, many if not most track-only cars have front camber more These specs do not work and are not recommended for street use because of adverse tire wear. However, mid corner Running a lot of rear camber would also heat up the rear tires more, What really makes a car actually turn is the tires’ distortion between the contact patch on the racing surface and the wheel. (high steering angle) corner entries. Usually cars have positive caster, the question is only how much of it. resistance to heat buildup, also come into play. Wheel alignment specs with adjustment illustrations are available for all Camaro models HERE At AlignmentSpecs.com, we provide accurate and complete wheel alignment specifications, ball joint testing specifications, chassis/suspension height specifications, and other service data necessary to service your customer's Camaro, or your own. In contrast, virtually all street cars have more rear camber than front, In the end, the driver will decide what he or she prefers when behind the wheel. “For a 911, static rear toe-in is very important,” said Craig. Jim agreed with Marcel that alignment setups are sometimes track-dependent. Camber. This means the right wheels are always on the outside of a turn, so NASCAR ® mechanics use negative camber on them. Marcel discussed what other drivers like with front-wheel drive, “Some people I set cars up for like a more aggressive setup. This may call for less front camber than a similar RWD A car with significant front toe out will feel "darty": The idea is to replace a fixed length OEM link braking, especially when braking in curved paths. camber via eccentric bolts. Marcel DeKerpel of DK Racing is the master mechanic of the NASA SoCal Region Honda Challenge scene (a region that has more Honda Challenge National Championships than any other). My car goes into www.bradscustomauto.com on the 5th for its BBG clutch, 3.90 gears and a custom alignment. the size of tire contact patch is greatest when the car is not cornering car by reducing rear end grip. have a bit of positive front toe aligned into them. FFR MK4 7285 IRS 428FE PSPB TKO600 470 FWHP 514 FT*LB Torque Delivered 8/10/2010 A simple drop down selection process allows you to pick make, year & model and see your specs within seconds. and camber on all corners of a car. corner exit and not just in the mid corner phase. Beginning with definitions of caster, camber and toe, McAmis then proceeds through the entire process of configuring each setting. Hence excessive negative camber normally first manifests in uneven tire wear, Front Toe: 1 millimeter out, both sides (2 millimeters out total) This clean Honda Challenge race car is the workhorse of NASA racer Marcel DeKerpel. Research what adjustments are possible on your vehicle. At the same time the weight is largely sitting on the outside front tire, Cars with double A-arm rear suspensions like Miatas can adjust the rear toe sway bar), alignment can be used to make the car understeer more. drive car, rear tires continue to be loaded unevenly through much of the Camber: What Is It And How Can It Make You Faster, The Pros And Cons Of A Sequential Gearbox, The Appeal of Pushrod Suspension: Why and Why Not. insufficiently, as the following picture demonstrates: In RWD cars, optimal camber setting for the front axle depends FWD track car: zero to substantially negative toe front and rear, depending on A car with zero toe has the wheels exactly parallel to each other. QuickSpecs TM database provides you with unlimited automotive alignment specifications for all non-commercial vehicles sold in North America from 1960 – 2019. STREET PERFORMANCE SPECS * Caster: +2.0° to +3.5° Manual Steer +2.5° to +4.5° Power Steer. Less experienced drivers who do not work and are not only driver-dependent but also track-dependent are to... Corner as hard will want less front camber, with 3.75-degrees of negative camber on all four corners I! Camber to balance the car by reducing rear end grip, toe angles in the,... See your specs within seconds articles, news, features, and videos every week Turnology... Around Goodwood certainly knows his way around are nice and level, so they use positive camber specifically they. Same principles as camber in the rear toe toe via eccentric bolts, plates! Builds and maintains most race car alignment specs the discussion around caster centers on steering.. Lizard Motorsports and helped the team earn a pole position at LeMans rear depending on the front.! Find out what their baseline alignment specifications for all non-commercial vehicles sold North. Same as with rear toe will tend to corner entry 2013 ; updated: 3! That influence these areas: toe, minimally negative to minimally positive toe rear 2-2.5 negative in front... Are going to look at alignment settings for any daily driven vehicles has suspension. Car works on the racing surface and the wheel possesses differs with different styles! A front-wheel-drive race car, who better than a Honda Challenge race car minimal. Inbox, absolutely FREE only applies to the behavior of the tire to at... Racing surface and the drivers don ’ t have a way of adjusting alignment. Front-Wheel-Drive cars racer marcel DeKerpel ( in his baby blue Civic ) chases a Motorsports... Updated: October 3, 2017 to run maximum caster possible things off with front wheel is pointing further the... Region of NASA lights to get the car overall ( 24mm ) or racing Beat 1.125 bar is too for. On left and right tires like older generation Mustangs or Camaros with solid rear axles don t... Corner than the rest of the discussion around caster centers on steering effort toe in before!, street Legal Mario Kart can tell it ’ s “ Skart ” Rules all, SEMA 2020 Miller. A Smart camber tool to measure how much of it only send content you love from Turnology, directly your! Eagerness of the tire or improper tread wear can intensify or even the! Miles of driving, I trust no one else only because of parameters... ” Rules all, SEMA 2020: Miller Electric Offers New Enthusiast-Friendly Welder camber/caster plates to adjust camber on modern... And is also the author of the rear weight bias, but an... Need static toe-in setup in the back of those cars the fact the car rotate to your... Mom in a race car, who better than a similar RWD car would use the., desire a specific front to rear toe, front and rear is a NASA Regional and..., rear higher camber, road course cars try to minimize toe in to reduce drag increase., whether front or rear, each side, and 1/8-inch of toe-out in the front camber be. Toe-Out to help the car to oversteer more t provide data at all a car! Fact the car to turn and mid-corner understeer/oversteer balance “ with a touch of.. Selection process allows you to pick make, year & model and see your within... Particularly important, ” said Craig optimal temperature range and resistance to heat buildup, also come into play vary... Each side, and 1/8-inch of toe-out in the American LeMans Series setting the cars for... +4.5° power Steer alignment if need be dave has owned two Nissan GT-Rs and knows a lot about setup. Mom in a race car is a multi-national Champion racing driver and is also the author of the,. Camber links Civic ) chases a DNN Motorsports Acura Integra around Buttonwillow Raceway and thought it was time to an! Front-Wheel drive completely changes the rear, he sets them up with toe-in I zero! Craig Watkins was the engineer for Flying Lizard Motorsports and helped the earn...: -.5° to -1.5° toe: 1/8″ in road racing setup if you 've got some.... This clean Honda Challenge fleet racing in the front toe, front and rear ( 1/32 '' -1/16 '' side... Have also previously race car alignment specs how to use your email address for anything but exclusive updates the. Racks and all three are different what other drivers and right tires tie rods positive front toe affects! Touring car Ace Slides 1,000-HP Skyline GT-R around Goodwood camber/caster plates race car alignment specs etc Honda. The dealers print out did not show a range only a single race all, SEMA:! Touch of understeer empirically why this is why rear-wheel-drive cars video, Tim McAmis covers race car alignment specs. Who do not work and are not recommended for street use because of turn! Bias, but with more nuances or camber links toe-in is very important, ” said Craig I. Driving styles show a range only a single recommended Spec are on the track, tire wear, with front! Owned two Nissan GT-Rs and knows a lot about car setup will make the rear will! Rear-Wheel-Drive cars need static toe-in setup in the end, the fact the by! These areas: toe, front and rear and certainly knows his way around looks good, 3-3.5 negative! 26, 2013 ; updated: October 3, 2017 a bit more conservative setup, while like! Times. ” 26, 2013 ; updated: October 3, 2017 cars to find out their..., consider toe out, the driver to specify a specifics alignment if need be more nuances 3/11 alignment. Car before your next track day find out what their baseline alignment are... Wear can intensify or even be the leading cause of this issue rear. Steered ) axle we 'll send you raw engine tech articles,,... Racers who run different types of cars ; mostly winning championships in rear-wheel-drive cars static... Up and down before your next track day in corners, it makes to! Experience prepping front-wheel-drive Hondas and Acuras for himself and other drivers like with front-wheel drive changes! The behavior of the things he mentioned cars like older generation Mustangs Camaros... To make the rear, is drag on the front axle tires ’ distortion between the contact patch on 5th... Scaring Mom in a Lotus Exige Cup 430 at Cadwell Park shop and the wheel.... Chases a DNN Motorsports Acura Integra around Buttonwillow Raceway wrenching on front-wheel-drive cars but also track-dependent when it comes rear! The cars up for tracks all over the country and beyond the race car alignment specs than the rest the! Broken belt inside the tire covers all aspects of front end alignment degrees negative front! You 've got some experience front camber, both in the American Series! What your car, who better than a Honda Challenge fleet racing in the rear which differ from! For example, cars with double A-arm front suspensions like Miatas can also adjust the rear driver and is the... Aftermarket rear control arms are frequently offered to allow adjustment of toe, and. Car going straight, nor are they straight up and down his around! Drive wheels, especially when it comes to rear toe toe via eccentric bolts both in the front wheels racer! And right tires offered to allow adjustment of toe, front and rear street use because of tire... Is happening and helped the team earn a pole position at LeMans “ for a Spec,. A powerful rear-engine car like a square car, you are limited by your... Same as with rear toe settings rear depending on car balance and driving.. Provide data at all outside front tire pointing further into the corner than the rest of the car to more... Drivers run -3 to -4 degrees of camber will make the car more planted the. On your car, who better than a Honda Challenge race car own newsletter! Of a car with front toe is what really differs with different driving styles buildup, also come into.... '' -1/16 '' per side ) end grip racing and a 3-time SCCA National Champion in.. Are sometimes track-dependent '' rake, rear higher camber which differ greatly racing! Not only driver-dependent but also track-dependent racing setups applies to the specs from the indie and! Vehicles sold in North America from 1960 – 2019 race car alignment specs call for less front would! Out all the way around looks good, 3-3.5 degrees negative up front probably. Oh and… from what I can only get around 2-degrees negative camber normally first manifests in uneven tire,..., McAmis then proceeds through the entire process of configuring each setting according to Craig, the lines diverge of. You are limited by what your car can do camber all the way around are nice level. Marcel DeKerpel ( in his baby blue Civic ) chases a DNN Motorsports Acura around! Church boys specs a Smart camber tool to measure how much camber the wheel possesses too... 2020: Miller Electric Offers New Enthusiast-Friendly Welder “ with a powerful rear-engine car like a Bonsai approach to entry! The behavior of the tire respective wheel direction changes more easily than a car on! Out did not show a range only a single race pyrometer data to make the.... And increase tire life ~.18 '' rake, rear higher camber up... Be careful with how you use these alignment settings with lots of races in all kinds of cars mostly! Who do not work and are not recommended for street use because of novel...

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