Those bespoke Pirelli slicks we run put so much force on the stock C30 suspension that we would end up with positive camber on some corners even though we started with more than 3 degrees of negative camber. ): The V.I.N. Use the data you have for your tyres or use the table above to get you going. In terms of what you can do: Manage that relationship between your steering and braking. When its slick you need to be turning left to make the most of the available traction. No more than 5 degrees camber on any wheel. So normally, as the racetrack gets slippery you add front brake. But Perhaps we are compairing apples to pears here, and that might explain the different chassis setups. This can vary due to car and driver preferences. Performance urethane/polyurethane to the rescue! Find a suitable car. ( TIRES AND WHEELS: OEM DOT 13, 14, 15 or 16-inch passenger tires only. Front wheel drive is the wave of the future. 2. Bending the tube will result in a better fit, but buying a kit is sometimes cheaper. Must have inspection hole in bell housing. Experience suggests GM and Chrysler are the best cars to race with because the front suspension of both of them is adjustable for camber and the entire front suspension is mounted on a cradle. Dirt Track Driving Tips from the Pros - MotorTrend LM: These conditions are the fastest you will encounter. Note: To learn more about racing in the Pony or FWD Pure Stock divisions, you can join our Mentorship Program by contacting the Spartan Speedway office at (517) 244-1042. Richards: The biggest thing is don't ride around in the slick under caution so the tire won't cool down and glaze over. Stiffening the rear bar does trick the car into rotation, but it also can result in a car that is not as evenly balanced as one that uses bars at both ends. So based on that, your front struts are DIRECTLY tied to how far over the body rolls. Another option is to take some stagger out just as a quick adjustment. Mastering FWD Cars - How to find maximum pace in FWD Cars? - Driver61 LM: It is time to go a little more radical in the setup. these cars Are NOT allowed Locked or posi-traction final drives, Max tire size 195- 70 or 75 series, and must have Stock engines and suspensions.,,,tyhey run on 1/4 and 3/8 asphalt tracks Mr. Holt, what is your baseline setup with a FWD car? The studs bite better when pushed into the ice with camber vs scratching across it. ENGINE: 3 or 4 cylinder in-line engines only. More importantly, it increases spring rate at the point of contact with the road. You just have to learn how to slow down and go faster. We may earn a commission from links on this page. Perhaps jacking the rear inside up making it looser is why this is so common for people to add caster on a front wheel drive car? Cannot be licensed in any other division and must be at least 14 years old. On the Volvo C30 Touring Cars we ran in the Pirelli World Challenge last year, we had nearly a 10-psi spread between the front and rear of the Pirelli P Zero slicks. Look down at your feet. 3 Participate in the qualifying laps. No turbo charged, super charged, rotary engines, or engines utilizing variable cam-timing. Replace the engine accessory drive belts. Answered above. http://www.mopartsracing.com/parts/neon.html. A few weeks ago I caught up with Canadian pro driver and BFGoodrich Performance Team Member Andrew Comrie-Picard, who has all those titles I just mentioned and has spent a lot of time teaching drivers to be fast with front-wheel drive cars. The best way to accomplish this rotation is by decreasing the amount of rear grip in relation to the front (or by increasing front grip in relation to the rear) at corner entryeither through driver input, car setup or both. This can vary a little depending on the car and the tires being used, plus the driver preferences. Obviously, there are limits as to how soft the front springs can be so you will often see front-running FWD cars with large rear sway bars and stiff right rear springs to compensate for the understeer that is generated by having so much weight at the front. 6. You can overdrive it a little bit to compensate. Roll bar padding required in driver compartment (Fire retardant recommended). Toe is the angle that the tires have toward each other. I just assumed you weren't listening while I was ranting and raving about suspension theory. Raise the Panhard bar by 1 inch to 13 inches left and 9 inches right. There is no foam in the stock tank and the fuel will slosh around making it hard to keep the right fuel pressure to the engine. Additionally, as a large percentage of front-wheel-drive cars these days are turbocharged, going to throttle early helps the car build boost sooner, further helping exit speed out of the corner. Step 1 - Decide your target hot pressure. Ok, so now you have a car with a roll cage, seat, belts, fuel cell and the suspension has been set. Any other setup will put the engine over 6100 rpms and will cause the built-in rev limiter to kick in. BODY/CHASSIS: Any front wheel drive, compact car with three or four cylinder engine. 5. Engine (1995 Neon SOHC). Throughout an event, most dirt tracks change surface characteristics, some in a dramatic way. For you lucky hi-speed users, it's not a huge problem. Putting the large, flat side of a Late Model into the wind has a pronounced effect on slowing the car and creating lateral lift. Or if you are a three-wheel braking, you go to four-wheel brake. But you have to be careful because tracks that looks dry/slick aren't all the same. Thats a good way to get the tail to come around. cross bar in top halo. We will still need to drive the car straight and try not to soften the right-side springs too much yet. tricknologyFebruary 28, 2007 in Grease Monkey Hangout, Here is some of speed secret stuff for FWD 4 cylinder cars,,,these guys run in Lansing Michigan and are FAST with Stock 4 cyl. The air pressure in your tires will change with heat. Here is a list of phases of grip that a dirt team might encounter on a typical race day, along with the associated estimated g-forces that the car might experience: 1. You can also do a lot with tire pressures to adjust the handling. The LF tire will be doing less work with these changes but should still be touching the ground, and the Ackermann will help it provide turning power. YOU!!!!! SPEED SECRETS for 4 cyl FWD race cars - Forums Buy a good fire suit and a "S" Rated Helmet and Go Racing. There is only one way to stop a severe pushy or loose car, and that is to lift off the throttle. All glass, exterior lights, chrome/plastic trim and hood insulation must be removed. The reason caster is a highly effective adjustment on front-wheel drive race cars is that as caster is increased, camber will also increase exponentially with steering angle. Usually a trip around the autowreckers will turn up something that looks stock. And unfortunately, that's going to slow you down. There are four bolts that hold the spindle to the axle. Whatever that might be. With a $2500 buy rule. These are used for adjusting the camber on the front. I personally expect him to do quite well. This arrangement is extremely popular in modern vehicles for a number of reasons, including: Smaller drivetrain: Instead of the engine, transmission, and differential running from the . Very moist but graded and compacted: 1.5 to 1.6 g's (the best the track will be all day and very fast through the turns). Adding camber plates with a modified top mount should allow you to get a minimum of 3 degrees of negative camber, which is the starting range used on our production-based C30 race cars. Any more than that 20 percent, and the tire will go over its maximum available grip and lose traction, with the result being the dreaded power-on push that front-wheel drive cars are infamous for. That is probably why rear steer (left tire forward) is sometimes so helpful. How to set your racing car tyre pressures perfectly (every time) List of dirt track ovals in the United States - Wikipedia ENGINE COMPARTMENT: Engine and radiator must be OEM, in OEM location for year, make and model of car used. Be sure to look under the car and check for rust. I too have been racing FWD's for many years and early on, the folks that did my initial alignments, a race shop in LA, set the front toe out, and the rear in, not a Robb suggests, rear out. This is how you adjust the camber and toe in the rear on the Mopar cars. Front Wheel Drive, dynamics and tuning using ChassisSim 22,379 views Sep 13, 2016 This video explains the dynamics of front wheel drive (FWD) racing cars and how to tune this using. And others lower the left bottom bar religiously, and I don't like that. It is indeed a "real" race car doing real racing. Once your car hits the black groove, it will grip and you can accelerate off from the passed car. In the back, you want a swaybar or a stiffer one than you already have. It doesn't make a great deal of difference which side you adjust as long as it's only a minor change. My thoughts were that all things being equal, a rear-wheel drive car will totally run circles around a front-wheel drive one, and of course, I wanted to be in the faster cars. Rear wheels must track straight ahead and be in alignment with front wheels. No reinforcing except installation of front strut crossbar. I am only familiar with how to change the camber on the Mopar cars. This track condition means the tires are getting a lot of grip and the surface tends to have ruts that grab the car hard. Time is a factor and we want to make positive changes that can be accomplished in a short period of time. By Hood and trunk lid/hatch must be securely fastened. Front Wheel Drive Set-Up - TenTenths Motorsport Forum There are many local people that would be willing to install a cage for you. No mini clutches or couplers. Same with go-karts with solid rear axles, theyll lift a wheel around a corner. Reduce body roll and attack corners with condence on the street and track. And, contrary to what many would consider "common sense," the lighter the rear of the car is, the stiffer the rear springs need to be, especially the right rear spring. But heres a professional stunt driver, racer and rally expert who says differently. Keep the rear tires underneath you, don't spin the rear tires. The first is that the car is rotating enough that it should be better pointed down the next straightaway, allowing us to open up the steering wheel and decrease the amount of grip the tires need to steer the car and allow more to be used for acceleration. All doors must be securely welded or bolted. Tire selection should include a little more siping to help dissipate heat, as the tires will begin to spin slightly coming off the corners. In fact, I just spent about 400 miles on the track with the Fiesta ST, GTI, and Type-R, Golf R, WRX STI, Civic Si, and all of those street cars, except for the Type-R, would go to limp mode. Must be securely mounted with positive terminal covered. Smog pump, catalytic converter and air conditioning compressor may be removed. No part of this publication may be reproduced, stored, or transmitted in any form, without prior written permission. Maybe 2-4 degrees of negative camber for the RR. You should set the front toe to 0" to 1/16" OUT. Running camber in that range will allow the tire to lay completely flat in the corner, giving it the biggest contact patch and the maximum amount of grip. In a front wheel drive car most of them are running 2deg out on the left front 7deg in on the right front 1.5 In on the right rear 0 on the left rear. Driver must be sealed off from track, engine, transmission and fuel cell/tank. Increase the rear steer by changing the angles of the left trailing arm. Also withthe min weights most classes have and not being allowed to gut the car to reduce wieght,, many cars are already over weight, and already have big front weight %,,,to get 50/50% weight ballance they would have to add 100's of pounds of lead the the rear and then be 100's of pounds too heavy. Installing a differential helps keep that inside-front tire planted, while a touch of rear toe allows the driver to play fast and loose with the cars rear. Donations: https://streamlabs.com/jonarmstrongrallyingFor this stream we will be looking at Front Wheel Drive in DiRT Rally 2.0 and I will be giving some tip. Any moveable weight would be mounted low and left in the car. No aftermarket racing heads. Raise the rear ride height one more inch, move weight up and to the right in the car, and soften all of the shocks. Make your front-wheel-drive car faster - Grassroots Motorsports If you have a track driven car and want to run R compounds, I would recommend starting with at least 2.5 degrees of negative camber up front. Change all the fluids; drain the antifreeze replace with water. Soft driving seems slow, but the alternative is always slower. WARNING: This is a big web page, about 180 posts, over 600K. Performance Chips and PCMs for most cars,,,if you do not find what you want call the companys and they will make what you need ,,,, http://www.venom-performance.com/nf/html/v400.cfm, http://www.performancecenter.com/product/C%26+Programmers, Thanks tricknology - That is some really great information -, (but you were only supposed to send it to me ). No performance chips. also here is the spartan speedway message board links, http://spartanspeedway.com/forum/index.php. Car must start without being pushed or pulled from initial staging area or go to rear of that race. Change, change, everywhere a change , a message from social protests of the '60s, could have been written in reference to dirt track racing. My bigger front bar was from a GRM article or post somewhere, I'd love to see a Phase II follow-up article on what happens after you do what's in this article. Spring split at the front also has less affect and has more influence on entry. No ignition boxes. 1. When you are driving on course you are rarely over 10 degrees of steering angle and usually under 5. Now the very best thing to do, of course, is to increase the size of that friction circle. Because when you are counter-steered there really is no traction. The key, again, is to be sure to make changes based on your track conditions related to your type of car. I don't think enough people think for themselves to actually test and find out (and it certainly is a pain to do, so I understand it). and .095 inch wall thickness. Home | Fwdcircletrackracing Pull onto the track with the rest of the participants to drive slowly, packing the track down. ?? Those days of running sideways are over. Most of the racers are using the frame mounted fuel pump from an 88-91 Ford truck. How to Race a Junker on a Dirt Track: 13 Steps (with Pictures) - WikiHow With the rare 1.22 gears, you can run a little faster, but not much. But look at the entire body when you turn the wheel. FUEL SYSTEM: Must have complete, unaltered, OEM fuel system for year, make and model of car used. We will make some changes to the previous spring setup. Kit includes 1 hub and 1 bearing. Perfect for autox and spirited street driving. This term is widely used when describing a 4-link dirt modified right front shock or asphalt cars front shocks. But we know that there is a lot more to racing than just having a great car. and instal a racing chip in the computor, and run 2% Nitro in the fuel. When the LF is hiked up considerably, we lose any front downforce that we might have enjoyed, as a great deal of air comes under the raised LF spoiler and we lose most of our front grip. Same as the Audi TT. One of the simplest things to do to help get rotation in a front-wheel drive car is to increase rear tire pressure. Toe out in the rear is what helps the car to rotate. If you don't fancy running through all the above set-up work then you can download the special Traxion drift edition of the Ibishu BX 200. Basics of driving front wheel drive on dirt and a couple tips to get you up to speed and hopefully out of trouble. In addition, too much pressure can result in making the tire too stiff and unpredictable (snap loose), so make small increases in pressure until you find that sweet spot that works well for your car. A promoter will often plow up a track during the week preceding the event, water it throughout the morning of the event, and then roll it while still pouring water on it until practice time. After all your very life may depend on how well the roll cage is welded together. Isn't the body roll in a favorable direction? Sold individually. We could set up a car for a driver who likes to slow down and turn and drive off the corner hard, and if I get in there it feels terrible to me. Steel brake lines only. will not be allowed to compete. Richards: It depends. If you're in a Crate car, there's not a whole lot that you can do. Cleetus McFarland on YouTube has amassed over 3 million subscribers on his channel known for wild racing antics, hosting racing events like the Freedom 500 at his Freedom Factory track complex in Florida, as well as videos showing insane high-performance engine builds.. Check with the other race teams and find out what tire they are running. According to the National Speedway Directory, there are over 700 dirt oval tracks in operation in the US. The compression should be 125+ psi and no cylinder should be less than 100psi. The RR spring should change to a 200-pound (rated) spring or pull one rubber out. Once that inside rear tire is off the ground, grip in the rear is effectively cut in half, further aiding rotation during cornering. And lots of bonkers stuff. In fact, for most of you the entire reason you are racing is the chance to get behind the wheel and let it all hang out. Dirt track racing is the single most common form of auto racing in the United States. These race series' are broken up into classes according to their style. Front wheel drive racecars for sale - Facebook All engine components must be OEM unaltered for year, make and model of car used. The .91 ratio transfer gears are needed along with the 2.86 ring and pinion gears. Granted, there are some so-called dirt tracks that are always oiled and maintained to the same grip. build the 4 door neon, not the 2 door, the 4 door is lighter and stronger!!). (If you are interested, you can learn more at www.DirtSchool.com. On a track that has good moisture and is smooth, the car will be easy to control going through the turns and the speeds will be high. We need to maintain the downforce our car produces for corner speed, while providing some kind of bite off the corners. Photography Credit: photosbyjuha.com. cars. ACP: Its kind of an open secret that they do that with the rear brakes on the Focus ST. 15. The whole challenge of a front-wheel drive car is the tire's friction circle. > Front Sway bars, do you use them? But McDowell and Hughes covered the topic so well we decided to move on to other areas that most often seem to trip up dirt drivers. Pretty much stock 4 cyl. There will be less grip, but not to the point of going overly soft on the springs or introducing great amounts of rear steer to turn the car. [Editor's Note: This article originally appeared in the November 2012 issue of GrassrootsMotorsports.]. > How much faster did installing the right gear ratio make your car? The sooner the car rotates, the sooner the throttle can be applied.