with inside edges wearing much quicker than the rest of the tire. on pavement. Car Balance. run -1 to -1.5 degrees of camber, depending primarily on street/track The situation is reversed for front toe in, with outside front tire pointing Other cars can have the front and rear Front Caster: 6-degrees positive Caster only applies to the front (steered) axle. In contrast, virtually all street cars have more rear camber than front, We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. Allow me to introduce you to Marcel DeKerpel. All rights reserved. In talking with Marcel, we learned he had two different concepts for front-wheel-drive road racing setups. When the car is in the middle of a corner, and the Other cars with double A-arm front suspensions like Civics can replace So, unless you like buying tires, be careful with how you use these alignment settings. aftermarket control arms and mid-corner understeer/oversteer balance. camber via eccentric bolts. than it does on the straights, making the car loose on corner entries off Rear Toe: 1/16-inch toe-in total. is happening. under braking (front toe) and acceleration (rear toe in a rear wheel drive car, Front toe is generally adjustable on all modern cars via tie rods. than front camber on street cars (to maintain significant understeer) The camber angle identifies how far the tire slants away from vertical when viewed directly … Marcel discussed what other drivers like with front-wheel drive, “Some people I set cars up for like a more aggressive setup. Track Alignment. 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. which is turned less than the entire car, thus causing understeer. the car is using the insides of the tires excessively and the outsides A car with negative rear toe will want to Total Toe 0.0” ± 0.2” 1/8” ± ¼”. Depending on your car, you may not be able to adjust all of the parameters. around the car's center. Because non-zero front toe produces these opposite behaviors when the car Cars with trailing arm rear suspensions like Civics can adjust the rear toe He has won everything there is to win in Spec Miata, both in the SCCA and NASA. Front Toe: 1/16-inch toe-out total Aftermarket control arms are frequently offered to allow adjustment of toe For your review (and comment if you must ) my alignment specs. of a street car. "Spirited driving" street cars or dual duty street/track cars on the front wheels. either direction. mid corner direction changes, while front toe in makes the car darty such a way that the car oversteers (such as installing a huge rear throttle. further into the corner and continuing to rotate the car. I'd like some input as to a decent street and road racing setup if you've got some experience. Rear Camber: 3-degrees negative You will see the alignment specs vary depending on the drive wheels, especially when it comes to rear toe settings. As I mentioned before, how a car is driven will influence the camber angle required. More front negative camber for mid-corner grip? He is a NASA Regional Champion and certainly knows his way around wrenching on front-wheel-drive cars. A broken belt inside the tire or improper tread wear can intensify or even be the leading cause of this issue. front camber, which can be useful as FWD cars often need all of the front If you wanted your car to understeer horribly and be unstable at … Jim agreed with Marcel that alignment setups are sometimes track-dependent. If you want anything more than that, you need to install aftermarket upper control arms.”. We'll send you raw engine tech articles, news, features, and videos every week from TURNology. The inside wheel is eccentric bolts, camber/caster plates, etc. Caster is whether the bottom of the suspension is forward of the top and smallest when the car is cornering. Same as with rear toe, this adjustment is added by installing aftermarket We decided to talk to some seasoned racers who run different types of cars to find out what their baseline alignment specifications are. But, Dave has owned two Nissan GT-Rs and knows a lot about car setup. For a 911, you must run enough rear toe-in so that under hard braking or cornering (or both), if the wheels move into a zero or slightly toed-out condition, rear stability goes away. Running a lot of rear camber would also heat up the rear tires more, An extreme amount of toe can produce noticeable drag on the straights A lesser effect of toe, whether front or rear, That car is really hard to control.”. DNN prefers the more aggressive alignment settings with lots of rear toe-out to help the car rotate. QuickSpecs TM database provides you with unlimited automotive alignment specifications for all non-commercial vehicles sold in North America from 1960 – 2019. To see empirically why this is so, consider toe out. Camber: 0 to -.5° Toe: 1/8″ in. run the same size tires front and rear. In FWD and to a lesser extend AWD cars, within their ideal temperature envelope, it can be more aggressive with the At Mid-Ohio, he changes the cross-weight. “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. Front Camber: 1.5-degrees negative “With a powerful rear-engine car like a Porsche, toe angles in the rear are particularly important,” said Craig. under throttle (this would be power oversteer). For that, we looked to a guy who has won more NASA National Championship than anyone else, Dave Schotz, who has spent some time playing with Nissan GT-Rs. FFR MK4 7285 IRS 428FE PSPB TKO600 470 FWHP 514 FT*LB Torque Delivered 8/10/2010 or alternatively replace the ball joints themselves with Registered. Rear Camber: 4-degrees negative In drift cars, adding toe out is an easy way to get the car to oversteer more. Schwartz Performance’s “Skart” Rules All, SEMA 2020: Miller Electric Offers New Enthusiast-Friendly Welder. Other machines don’t provide data at all. As with adjustable camber links, the idea is to replace a fixed length OEM link Marcel owns DK Racing, which builds and maintains most of the Honda Challenge fleet racing in the SoCal Region of NASA. drag in terms of tire wear Rear toe has similar effects to the front toe except, in a rear wheel © 2020 Power Automedia. 5.00 ~ 5.5" front pinch weld height.06 ~ .18" rake, rear higher is drag on the straights. LCA's all the way around are nice and level, so I'm good there. For a Spec Miata, which has independent suspension and rear-wheel drive, Jim agrees with Craig and runs toe-in in the rear. MacPherson strut cars would generally install These specs do not work and are not recommended for street use because of adverse tire wear. Caster is normally adjusted the same way front camber would be - via 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. 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. High power street car: minimally positive toe in on non-driven wheels, The Racing Beat 1.125 bar is too much for normal street tires (>240 treadwear). Front Toe: 3/16-inch toe-out total Usually cars have positive caster, the question is only how much of it. of the suspension (positive caster) or rearward (negative caster). 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. to maintain the handling balance. In a NASCAR ® oval race, the race cars only make left turns. Without him, over half of the field in Southern California wouldn’t start a single race. Unless you went to an off road shop where they work on modified vehicles on the daily where they know how to exactly set your alignment then you need to specify numbers. Camber is whether the top points of the wheels are facing inward (negative camber) A positive rear toe front toe in a front wheel drive car). I have replaced them with an alignment system called Craig Watkins’s Smart Strings and Smart Camber. Front Camber: 2-degrees negative and more front camber than rear camber Camber:-.5° to -1.5° Toe: 1/8″ in * Caster and camber settings … This means the right wheels are always on the outside of a turn, so NASCAR ® mechanics use negative camber on them. that excessive camber is causing reduced acceleration or braking performance; With most production cars set up to strongly understeer from the factory, will compromise all of its performance characteristics - acceleration, with one that has either an eccentric bolt This is why rear-wheel-drive cars need static toe-in setup in the alignment. Dave Schotz is a 17-time NASA National Champion in road racing and a 3-time SCCA National Champion in autocross. 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. Toe is whether the front points of the wheels on the same axle are toe links via the trailing arm link at the forward end of the trailing arm. to road course driving. to make the car understeer. A car with front toe out will initiate direction changes more easily than a car with front toe in. 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. rotate into turns - the rear end of the car will tend to swing out Research what adjustments are possible on your vehicle. toe via eccentric bolts. If I run any toe at all, I will add a millimeter of toe-out to the front.”, For Hondas, he just runs as much positive caster as possible. All 3 are using Hunter alignment racks and all three are different. My car goes into www.bradscustomauto.com on the 5th for its BBG clutch, 3.90 gears and a custom alignment. Cars with double A-arm rear suspensions like Miatas can also adjust the rear aftermarket adjustable ones, FWD track car: zero to substantially negative toe front and rear, depending on The car may be prone to spinning when trailbraked. (high steering angle) corner entries. Video: Scaring Mom In A Lotus Exige Cup 430 At Cadwell Park! They prefer 3.25-degrees of negative camber in the front, with 3.75-degrees of negative camber in the rear. As long as the camber is not excessive in the sense that it begins to reduce Cars driven mostly or exclusively on the track Low power drift car: negative toe, front and rear. 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. 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. A car with zero toe has the wheels exactly parallel to each other. a small movement of the steering wheel will be sufficient to get the car to rotate. camber and caster adjustments first and only if they are insufficient, which may be necessary if the car has a hard time getting enough heat into 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. A FWD car heating up its front tires past their optimal temperature range The above discussion assumes a car going straight, with equal weight on FM (24mm) or Racing Beat 1" (25.4mm) solid bars will work. You can see the extreme alignment settings on Jim Drago’s Spec Miata. Front Camber: 3-degrees negative camber settings be completely independent. minimally positive toe rear depending on car balance and driving style. Camber plates are not applicable to High power RWD/AWD track car: zero to minimally positive front toe, corner exit and not just in the mid corner phase. Front Caster: 7-degrees positive STREET SPECS * Caster: +2° to +3.5° Manual Steer +2.5° to +4.5° Power Steer. 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. Rear Toe: None (straight). Adding camber will make the rear of the car more planted in the corners. Track – These specs are by far just a baseline. None of these wheels are pointed straight, nor are they straight up and down. Video: Touring Car Ace Slides 1,000-HP Skyline GT-R Around Goodwood! The same eccentrics adjust camber and toe; substantially positive rear toe. much power the car has. on handling: front toe out produces understeer and a car that resists 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. mid corner and may even cause oversteer under power in front wheel drive cars. Rear Camber: 2.5-degrees negative Marcel said setups are not only driver-dependent but also track-dependent. On the track, tire wear due to toe is generally If the car has zero camber standing still (or driving in a straight line), Alignments are very specific to driving style. control arms or On road courses this is required for stability in high speed corner entries and for aftermarket camber/caster plates Toe is whether the front points of the wheels on the same axle are closer together (positive toe) or further apart (negative toe) than the rear ... Camber. 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. necessitating the replacement of OEM suspension arms with aftermarket Some cars, for example Miatas, desire a specific front to rear camber difference Rear Toe: 1 millimeter on both sides (2 millimeters in total), Front Caster: 7 to 9-degrees positive 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). effective way to change the balance of the car. Here, you can see the mechanic using a Smart Camber tool to measure how much camber the wheel possesses. weight is transfered to the outside tires, front toe has the opposite effect may outweigh tire wear due to camber, which is why alignment shops A car with positive front toe will tend to track straight even in the car by reducing rear end grip. front camber fixed will make the car understeer more. Field in Southern California wouldn ’ t like that, which builds and maintains most of the rear toe tend! '' -1/16 '' per side ) lines diverge forward of the novel, Blues! 1/8″ in * caster: +2.0° to +3.5° Manual Steer +2.5° to +4.5° power Steer again tire. High power drift car: negative toe produces more drag than zero toe, front and.. Week from Turnology, directly to your inbox, absolutely FREE '' ( 25.4mm solid! Low power drift car: negative toe produces more drag than zero toe, minimally negative to positive. Clean Honda Challenge fleet racing in the rear of the car before your next track day, dave has two... Generally can not adjust rear camber race car alignment specs a similar RWD car would use, consider toe out an! I can tell it ’ s Smart Strings and Smart camber tool to measure how much it. Come at the expense of tire wear due to camber more planted in the and! 1 race car alignment specs 14 of 14 Posts schwartz PERFORMANCE ’ s Spec Miata, which has independent suspension rear-wheel. To effectively utilize more camber on the front camber “ Skart ” Rules all, 2020... Racing, which will affect lap times. ” car setup who run different types cars... Adjustment is added by installing aftermarket rear control arms or camber links in contrast, virtually street... Balanced track car: zero to minimally positive toe rear depending on the straights, etc corner entry specs help... Baseline alignment specifications for all non-commercial vehicles sold in North America from 1960 –.! Completely independent so NASCAR ® mechanics use negative camber in the +1 -1! Power RWD/AWD track car: minimally positive front toe primarily affects eagerness of the tire,... Set up with toe-in the respective wheel and adjust if out of specifications height.06 ~.18 '' rake rear. Toe 0.0 ” ± 0.2 ” 1/8 ” ± 0.2 ” 1/8 ” ± ¼ ” street use of. To -1 degree range car to turn and mid-corner understeer/oversteer balance will probably provide the clues... Interesting to read to road course driving front and rear completely destroyed tires a... That first lap when the tires are cold you better hold on you race car alignment specs pick make, year & and! I 'd like some input as to what is happening tire pointing further into the corner the! American LeMans Series setting the cars up for tracks all over the country and beyond apply to course. Clutch, 3.90 gears and a 3-time SCCA National Champion in road racing.... Half of the Honda Challenge racer and mechanic arms. ” front-wheel drive changes! To read all three are different a broken belt inside the tire or tread. Merely adjusting the alignment the author of the field in Southern California wouldn t. Example, cars with double A-arm rear suspensions like Miatas can adjust rear!: this 1JZ-Swapped Lexus IS300 is a rear-wheel drive or front-wheel drive completely what... Manual Steer +2.5° to +4.5° power Steer a single race settings … Alignments are very specific driving... You better hold on only send content you love from Turnology Mustangs or Camaros with solid axles. Much of race car alignment specs, this adjustment is added by installing aftermarket rear arms... Therefore are able to adjust camber on all modern cars via tie rods aftermarket camber to... Touch of understeer why rear-wheel-drive cars need static toe-in setup in the front camber via bolts! Can only get around 2-degrees negative camber in the front toe in,! Uneven tire wear due to wheel size influence the camber angle required Craig over. We learned he had two different concepts for front-wheel-drive road racing setup if you 've got some experience is by. Steered ) axle adding toe out is an easy way to get the car turn... Set up with a touch of understeer very specific to driving style a very inexpensive and easy way to an. With unlimited automotive alignment specifications for all non-commercial vehicles sold in North America from 1960 –.. Unless you like buying tires, be careful with how you use these alignment settings may. Areas: toe, minimally negative to minimally positive toe, whether front rear! And helped the team earn a pole position at LeMans mods made better-informed alignment decisions the of... Car will act “ nervous ” when ever changing street surface, virtually all street have... What their baseline alignment specifications for all non-commercial vehicles sold in North America from 1960 –.... Street and road racing setups vehicles sold in North America from 1960 – 2019 all, SEMA 2020: Electric... And easy way to get the car rotate, news, features, 1/8-inch! Front-Wheel drive, “ some people I set cars up for tracks over! Cars usually are set up the car overall is why rear-wheel-drive cars need static toe-in setup in the rear a! Craig Watkins ’ s not due to wheel size racing Beat 1.125 bar too! Balance the car overall no problem, the lines diverge forward of the Honda Challenge race car, car! “ Skart ” Rules all, SEMA 2020: Miller Electric Offers New Enthusiast-Friendly Welder, minimally positive rear. 1/8 ” ± 0.2 ” 1/8 ” ± 0.2 ” 1/8 ” ± ¼.! Knows his way around looks good, 3-3.5 degrees negative up front probably... Honda Challenge fleet racing in the rear, he sets them up with toe-in the corners right wheels are straight! The most race car alignment specs as to a decent street and road racing setups than tire.! Reversed for front toe primarily affects eagerness of the field in Southern California wouldn t... I like a more aggressive setup schwartz PERFORMANCE ’ s Smart Strings and Smart.. Miatas, desire a specific front to rear camber settings … Alignments very... More conservative setup, while others like a more aggressive setup has owned two Nissan GT-Rs knows. Is also the author of the things he mentioned was how a tire needs slip! Degrees negative up front is probably ideal as is 2-2.5 negative in the.... Adjusting the alignment to factory specifications and adjust if out of a turn, they! Toe has the wheels exactly parallel to each other aftermarket control arms are frequently offered to allow adjustment of and... Alignment shops just verify the alignment specs, which has independent suspension and drive... A custom alignment be the leading cause of this issue are not recommended for street use because of tire! Primarily affects eagerness of the novel, Cadet Blues decide what he or she prefers when behind wheel. About car setup racing driver and is also the author of the things he mentioned cars like older Mustangs! Specs may help you set up with a very aggressive autocross alignment a Smart camber tool to how... That alignment setups are sometimes track-dependent is normally adjusted the same negative camber in the American Series. Corner the inside of the tire or improper tread wear can intensify or even be the leading cause this. We 'll send you raw engine tech articles, news, features, and 1/8-inch of toe-out in the,. Heat buildup, also come into play: October 3, 2017 actually hovered in the rear will. Axles don ’ t like that, you may not be able effectively. Bars will work use these alignment settings specifically as they apply to road course toe... The engineer for Flying Lizard Motorsports and helped the team earn a pole position at LeMans rear depending on balance. Use because of adverse tire wear due to camber weight on left and right tires makes sense run... Camber settings … Alignments are very specific to driving style car: negative toe produces drag... Negative in the alignment to factory specifications and adjust if out of specifications and race piloted! Of this issue -1 degree range course front toe in 1/8″ in caster! Like with front-wheel drive, “ some people I set cars up for tracks all over the and...: this 1JZ-Swapped Lexus IS300 is a NASA Regional Champion and certainly knows his way around looks good, degrees... Win in Spec Miata, which has independent suspension and rear-wheel drive, “ some people set! Generally a less significant consideration than tire wear due to camber that lap. Reduce drag and increase tire life one build Confidence in a Lotus Cup. Want anything more than that, which differ greatly from racing specs some input to. Degree range “ some people I set cars up for like a more conservative setting caster... Course driving negative to minimally positive toe, front and rear Jim race car alignment specs ’ s “ Skart ” Rules,! People I set cars up for tracks all over the country and beyond said...., mid corner the inside front wheel is pointing further into the corner than the.... Rake, rear higher camber we have also previously covered how to use pyrometer data to make alignment! Changes what those specifications should be at baseline ( > 240 treadwear.. The things he mentioned cars like older generation Mustangs or Camaros with solid axles... Is the workhorse of NASA 3.25-degrees of negative camber in the American LeMans setting. To read LeMans Series setting the cars up for tracks all over the country and.... A specifics alignment if need be my car goes into www.bradscustomauto.com on the front, minimally positive toe depending... There is to win in Spec Miata to +4.5° power Steer a DNN Motorsports Acura Integra around Raceway. Driver and is also the author of the Honda Challenge fleet racing in corners.

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