It is time to soften the car, move weight over to the right, and lower the rear moment center more. Probably (because most FWD stuff sucks to begin with). For that reason, it is very important to lessen the amount of steering input as early in the corner as possible before you start goingto throttle, which will give the tire a bit more grip to work with for acceleration out of the corner. Most of us 4 cyl FWD cars run on asphalt. ): The V.I.N. The key to managing how much your car rotates into a corner - using that to your advantage - is the timing and rate of the release of the brakes, along with the right amount and speed of turning the steering wheel. If your tires are pointed toward each other then they are toed in and visa versa. It locks up that wheel just a little bit, and that kicks the tail of the car around. Do a tune up on the engine and check the compression. So now, you only get about half as much acceleration force and half as much cornering force before youre outside the edge of that circle. All glass, exterior lights, chrome/plastic trim and hood insulation must be removed. Obviously, changing your wheel spacing, taking stagger out of the race car and just trying to get your car more balanced where it is not trying to turn so much on its own. Properly executed trail-braking shifts weight from the rear of the car to the front, increasing grip on turn-in. By As for the roll cage. There is one exception: Nissan GT-Rs are a little different, theyre more like RWD, because they have a ridiculous transfer case, heavy, complicated. You've got to find what works for you. thick or thin ones? But you have still got to do what you are comfortable with. Start by centering the steering rack and then adjust the toe equally on both sides to get the toe-out you want. Includes all mounting hardware. Hughes is one of the most successful Modified drivers racing today and the current defending champion of the USMTS. About 2-4 degrees of positive camber works in the LF. FUEL SYSTEM: Must have complete, unaltered, OEM fuel system for year, make and model of car used. We can observe cars that three-wheel off the turns and hear the throttle being cycled on and off. We can start moving weight over to the right side to provide a lower left-side weight of 52-54 percent. I'll bet he is a three wheeler and complains about the "push".. Wow! You want to soften the roll in the front and stiffen the roll in the rear. 2 talking about this. If you are in a Super you can help loosen the car up with the throttle. A more sideways driving style is sometimes helpful for mostly aerodynamic reasons. This is a pretty sophisticated FWD set up story and conversation but I did have one question. Change the RF spring to a 750-pound spring and the RR to a 175-pound spring. The whole challenge of a front-wheel drive car is the tire's friction circle. Quick release steering wheel is allowed, must maintain OEM column. If you get a caution you can try to find some dust and spin the wheels in it and try to clean that tire back up, but there's no guarantee that's going to work. Remember in the article, about the rear sway bar being more important than the front? No re-caps, softening, conditioning, siping or grooving allowed. One of the Hot shoes from the Thunders (who kicked but on both dirt and asphalt) will be joining us this year. CT: So how do you drive a dry/slick track? Dirt Oval Racing Cars for Sale | RacingJunk Determining the best line is an essential skill to master for both track days and racing events. Front wheel drive racecars for sale - Facebook For Springport, you can install the commonly available 1.06 transfer gears and run fast. 18. I've auto-crossed FWD for decades and the most SOTP effect with more (positive) caster is steering feel as it relates to the self-centering effect, if both sides are equal. They are more like asphalt anyway, and a team racing a dirt car on those tracks would do well to set up their cars more closely to an asphalt car setup. No part of this publication may be reproduced, stored, or transmitted in any form, without prior written permission. I'll mention what can be done with the Shadow/Sundance/Daytona type cars. Usually in the South you don't have to worry about it because the tracks are pretty gritty, but up North that can be an issue. Well Mr. Holt, as a matter of fact I just returned from 2 weeks in Egypt. While it is highly unlikely that any FWD teams would be able to obtain this ideal distribution (unless the rules required a very heavy minimum weight), that's the direction they should be headed. You need to learn as much about them as you can. This is where a limited-slip differential comes into play. I'm racing a front wheel drive hatchback.. Its about 160bhp, weighs 900kilo's, uses Coilovers with only bump rate (no rebound), corner weights left to right are perfect, front to back is about 65/35, using a controlled 15" slick tyre! Must be unaltered OEM-appearing body. This style of driving has a couple of benefits. No performance additives. Also, using them is very close to installing a more robust suspension. OEM master cylinder only, in OEM location. Front Wheel Drive Tips and Tricks - Live Tutorial - YouTube 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. CT: What types of conditions do you see give new racers the most trouble? Youve heard about torque steer and wrong-wheel drive and might write it off as being for grocery-getters, not real performance cars. 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. I prefer not to use a front swaybar. Call 800.979.0122, 7am-10pm, everyday. No gutting allowed except for roll/door bar clearance. Just aim for the gritty spots, and that can help keep the tires from glazing over. Almost always, that means bringing you information about how to build a better--and safer--race car and set it up for best performance. This modification was OK'd a few years ago and hasn't been disallowed as of yet. The 1.06 gears are just about as quick if you're running by yourself, but if you get in traffic and have to lift off the throttle, it takes longer to get back up to speed. You're essentially shortening a leg of a table(outside front) and lengthening another (inside front). Work with your cars electronics, not against them, Make the most of where your cars weight is, Expect your FWD skills to translate to AWD cars. SPRINGS/SHOCKS/STRUTS: All shocks and struts must remain OEM, in OEM location. 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). ". This also applies to other makes of cars with similar rear suspensions. > When weighing the car where you can read the weight of each wheel,,. The .91 ratio transfer gears are needed along with the 2.86 ring and pinion gears. All ignition components must be unaltered, OEM and match year, make and model of car used. The air pressure must come down some, but do not run soft on air at this point. > Do want more weight % on the front or the rear? There are a couple of downsides to higher rear tire pressure. Pictured is a complete PROTHANE performance urethane suspension bushing kit for a Honda Civic (on the left) and their stiffer than stock rubber rear sway bar bushings (on the right). You can overdrive it a little bit to compensate. Dirt Track Driving Tips from the Pros - MotorTrend Front end has big bearings, New gauges, Quick change rear, 4 new shocks and . Karts. do not allow excessive lightening of the chassis/body, do not allow engine mods, only stock Fuel inj allowed, even the exhaust manifold must be stock, the car , suspension, and engine must ""LOOK STOCK TO THE EYE"". Kill switch required within easy reach of driver and must be clearly marked OFF and ON. 14. And unfortunately, that's going to slow you down. Any car missing the V.I.N. Robb just won the GT4 class in GT America in Nashville last night. This technique allows the weight to remain transferred toward the front of the car at corner entry, which helps add grip to the front and has the added benefit of shifting weight off the rear. There are four bolts that hold the spindle to the axle. Now that youve done the impossible and gotten a front-wheel drive race car handling well, youre free to take on easier assignmentslike solving the European debt crisis or resurrecting Lindsay Lohans acting career. Keep the air pressure high. And that circle represents the amount of traction the tire can give you. An "easy-up shock" is a common term used to describe a shock with stiff compression and soft rebound. Thank you. We will examine some physical rules that deal with chassis dynamics so we can arrange the setup to meet the conditions. This effect can be taken to an extreme, and we never want to three-wheel the car in order to create the effect. The closer one gets to a 50-50 setup, the fewer handling crutches are needed to balance the car. The HOt cars typically seem to be Honda civic, Mitsubisi Eclips, Hyudai Tiburon, Neon. Time is a factor and we want to make positive changes that can be accomplished in a short period of time. Steel brake lines only. LM: We will want to soften the setup a little more while the track is transitioning through this phase, and we need to reverse-split the front springs. Both sides must have vertical bracing from top to bottom door bars. Pure Stock, Information Contributed by : Torg Motorsports, ---------------------------------------------------------------------. The one significant drawback to the loose rear is during rapid transitions (slalom) as local club course designers seem to really like them. 8. Heres what ACP has to say about how to drive the shit out of our FWD car: (Full disclosure: The following are ACPs statements as he ran through them with me over the phone. (Ex: 140- 80 = 60 / 7 = 8.5psi). You can run a lot of toe in a fwd and a quarter inch there might help as well. All engine components must be OEM unaltered for year, make and model of car used. How to drift in BeamNG.drive | Traxion Don't worry about the LR since it has little effect on handling. LM: We definitely need to soften up the setup and introduce more rear steer to be able to negotiate the turns without causing the LF tire to be lifted completely off the track surface. Roll bar padding required in driver compartment (Fire retardant recommended). No reinforcing except installation of front strut crossbar. Even Stig Blomqvist once said something like, Ja, I think when the Quattro came out we had a bit of an advantage coming from FWD.. Everything behind you, in fact, everything behind the engine, thats just details. Passing becomes difficult because of the one-groove nature of the track. The tires can be changed to more of a street performance tread with slightly lower pressures. Hood and trunk lid/hatch must be securely fastened. If you have a high-quality performance tire, you make that circle bigger. But in terms of street cars, trying to drive it fast, youre going to be relying (mostly) on two things: A really good tire, and really good OEM electronics. Run a higher pressure in all of the tires. 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. Tires must be inside of body. Another point to make is that professional race cars have to run with very, very firm/hard suspension bushings, often metal or Delrin to be competitive. As the g-forces change, our setups must change too. The Panhard bar, mounted on the left side of the chassis, should be at heights of 12 inches left and 8 inches right. ACP: So with left-foot braking, is basically keeping the throttle wide open, and dragging the brake with your left foot to make it work a little like the hand brake. Most conversations about front-wheel drive suspension engineering revolve around camber and shock adjustments, with little to no mention of caster. Here in the Midwest many tracks and the IMCA have created Pure stock classes based on the 4 cyl FWD sedans that are plentiful and cheap. Opinions will vary on these topics. are you allowed locked or positraction final drives? do not allow extensive engine mods ,,, like your class does. The weight distribution is pretty much the same at both ends. This topic is now archived and is closed to further replies. Eckert: If your car is too free in the corners, what you've got to do is back your corner up onto the straightaway. Evening up the front springs will help the car turn, and softening the RR spring, lowering the moment center, and raising the CG will provide better bite as the track dries out. You can also do a lot with tire pressures to adjust the handling. FWD cars. There are several adjustments that can be made to assist in loosening up a front-wheel drive car and countering the terminal understeer they commonly exhibit. It looks like for 2007, the IMCA sport compact rules are WIDE OPEN to ANY FWD 4 cyl car!! and .095-inch wall thickness tubing. Driver must be sealed off from track, engine, transmission and fuel cell/tank. Messed that up.On added weight,CC Speedway made me add 280#s to my Scirroco so I added it under the seat and on the left side .rear.To my surprise the car handeled better.Open diff and street tires on a 1/4 mile hi banked asphalt track.Push was reduced and not spinning the LF anymore.Downside is it takes longer to stop.Lap times are better.Trick guy the 4M website has gone through a total makeover,how did you find the old stuff.Wish you had all that info for VWs,Im not a big Neon fan. Theyre front-heavy, the front tires tend to get over-taxed because youre asking them to do two things at once. Mostly because, AWD cars, despite what they tell you about their symmetrical drive layout or whatever else, fundamentally drive like FWD cars. You can also use smaller bolts, but don't go any smaller than 1/2 inch. What is Dirt Track Racing? Easy Steps to build a Pony or F.W.D. Camber is the angle at which the top of the tire is tilted in or out. Lots of set up tips and gearing info, read all 180 posts and read all the links, IT WILL MAKE YOU FASTER! The track has now dried up and the black is mostly gone. http://spartanspeedway.com/OldBoardStuff/PeedSecrets.html. But really, your main tool is the throttle. Changing camber with caster adjustments is like shuffling the deck chairs on the Titanic, technically you are making a change but we're talking a tenth of a degree or so. Stock for make and model - Dodge to a Dodge, Honda to a Honda. Then when you want to change it slightly, just adjust one side or the other a little. Maybe the same thing is happening here with the FWD cars? ! A go-kart is a small tubular frame open-wheel vehicle that typically uses small 2-stroke or 4-stroke gasoline-powered engines. No cool cans. Pumping up the rear rubber and hitting the front tires with more negative camber can boost your cars cornering abilities, but dont forget to modify that variable in the drivers seat. 17. All four tires and wheels must be the same series, size and offset. From then on, unless it is watered again, the track will begin to dry out and go through several phases of moisture content. Now the very best thing to do, of course, is to increase the size of that friction circle. Bending the tube will result in a better fit, but buying a kit is sometimes cheaper. You should use four to six bolts to hold the seat down. If your toes point toward each other then you are toed in. 6. FRONT WHEEL DRIVE RULES. On stock front-wheel drive cars without camber plates, a couple of degrees of negative camber is the most you can hope to get within the stock shock mount. But if you have tried getting out of the throttle early and it still isn't helping, you can get out way early and then get back on the gas as you go through the corner. Dick Shine used to say that caster was evil and to never increase it. ACP: Draw a circle, and imagine how force vectors go: put a dot in the middle of the circle, and you get to put a certain amount of force forward or backward before you go out the edge of the circle. We will need to change to tires that are harder, with less gap and more surface rubber. Simply unzip the below folder to your BeamNG.drive AppData folder C:\Users\username\AppData\Local\BeamNG.drive\0.28\vehicles. In the back, you want a swaybar or a stiffer one than you already have. These race series' are broken up into classes according to their style. My hopes are to share some of my experiences to save folks in our Mopar family some time and effort, at least give a baseline from where to start. Check with the race track as many of the racers are willing to do this. Now, to make an enthusiasts competition vehicle more able to maintain your desired competition alignment settings you need to solve that with performance suspension bushings. We can now begin to soften the setup somewhat and change the RF spring to an 800-pound (rated) spring or remove the RF full spring rubber and replace it with a half rubber. Some are fairly simple tweaks suited to cars that only see a few track days a year. The RR spring should change to a 200-pound (rated) spring or pull one rubber out. Make the rear of the car as light as you can. Frank: What's hard for them is when they get into something that has 850 horsepower, basically twice what they had before; they start picking up bad habits. Remember in the end you'll have complete control over this so you're really just choosing a sensible baseline. FYI, I run 4.25 deg negative camber in the front and 2.25 negative camber in the rear. Tires will be the most used/checked thing on your racecar. Only top 5 can claim and they must be on the lead lap. Note: Emissions exempt in California, Massachusetts and. LM: We can now. Some guys like to lower the left-side rods, but others hate that. do not allow locked final dirves ,,like your class does. This term is widely used when describing a 4-link dirt modified left rear or left front shock. With camber in it allows the tire to stay in contact with the road surface longer and turn the car better. But 90 to 95 percent of AWD cars are versions of FWD cars. The stick shift PCM's will work with a Automatic trans. Eibach makes stiffer stock looking suspension springs For MOST FWD 4 cyl cars and they also lower your car,,. When carving around a cone, does your car resemble a dog lifting its hind leg to a fire hydrant? Keep really good notes and you will have something to fall back on when the track changes. 4. The last alignment trick used to get a front-wheel drive car to play nice is rear toe. If you are turning left all the time you should tip the RF tire in at the top. P4510826 Rear Tension Strut Kit-Left and Right (200305 SRT4, 200005 Neon). Performance urethane/polyurethane to the rescue! If the track goes slick you probably want to tighten it up. Most of the racers are using the frame mounted fuel pump from an 88-91 Ford truck. Most cars have some rust, you just don't want one that has rust HOLES. There's not much you can do for it then, and the traction that you have is all that you're going to get. 5. But we also have 2 local classes here in South Texas called the Texas Thunders, one runs on dirt, and the other one on asphalt. Decrease the air pressure all around for more footprint area, and groove the tires for the most side bite with more grooves and a limited number of siping cuts. cars. Buy a good fire suit and a "S" Rated Helmet and Go Racing. McDowell is currently both an active driver as well as running his own driving school, where he spends a lot of time helping young racers to find more success from the driver's seat. It is also a good idea to change the oil and filter in the transmission. Install softer rebound left-side shocks and softer compression right-side shocks. Front-engine, rear-drive . The problem with this weight transfer is that it takes weight off the inside tires, which is exactly what we are looking for in the rear but exactly the opposite of what we need in the front. If your front inside wheel hits it at speed, you just might lose a little control and in the process lose speed. Softening the front springs will help the car turn, but to a lesser degree than making rear spring changes. If not, refer to steps A. through C. above. How To Be Fast With Front-Wheel Drive: An Expert Explains - Jalopnik For you lucky hi-speed users, it's not a huge problem. ACP: The way we teach this in driving school is, we imagine a string, from the bottom of the steering wheel, to the top of the throttle pedal. When the computerized scale is displaying cross weight, it should show something like 45-48 percent. - Especially the neon stuff - Or resident Neon driver is FAST now! Or if you are a three-wheel braking, you go to four-wheel brake. Hobby Stock (HS): We might run a stiffer right-front (RF) spring and a stiffer right-rear (RR) spring. Be sure to check and see what's legal. > How much faster did installing the right gear ratio make your car? These are exceptions and won't be addressed here. At Circle Track we are all about helping racers find success on the race track. 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. In terms of what you can do: Manage that relationship between your steering and braking. Increase the rear steer by changing the angles of the left trailing arm. But you have to be careful because tracks that looks dry/slick aren't all the same. Because suddenly youve unlocked more traction. No iron, galvanized pipe or fittings, square tubing, brazing or soldering allowed. Or, the softer the front sway bar needs to be. Raise the rear ride height one more inch, move weight up and to the right in the car, and soften all of the shocks. I just started roadracing a FWD 1993 Mazda MX6/Ford Probe with a 2.5 L V6and I'm taking all this advise to heart. No wheel spacers or bleeder valves. And others lower the left bottom bar religiously, and I don't like that. . Pedal inputs and steering inputs need to be gradual and progressive to avoid upsetting the balance and causing the car to get out of shape. 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. The right axle is now a little short. Slows down the rear wheels, and allows the car to rotate around. So the car feels looser. Sleepy Trip, tech writer from Stock car magazine has his own web site, he is building a NEON to race in Florida, and has posted all the tech articals, http://www.ovaltrackdigest.com/article-directory.htm. We might want to anticipate the dry and slicker conditions coming now for lack of time later. By using all of the available space on the track, cars can travel in a straighter line and travel faster before reaching the limits of grip. This is where car setup comes into play. We think we can help a little bit with that too. A FWD oval track race car, like most other oval track or road racing cars, should be as near 50%-50% front-to-rear weight distribution as possible. All the weights on the nose, all the pulling happens at the nose, and all the steering happens at the nose. If you want to leave the dash and shifter that's OK. Also remove all glass, the windshield is optional. You just have to learn how to slow down and go faster. Because you're asking it to steer and take a lateral load, at the same time, you're asking it to pull you forward and. And yes, you can make a FWD car oversteer all day long if you set it up right. ENGINE COMPARTMENT: Engine and radiator must be OEM, in OEM location for year, make and model of car used. P5007314 Hub and Bearing Kit (199599 Neon ACR). 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. Read the circuit. Sunfire overhead valve 4 cyl. Plan your. This does two things: It lowers the rear moment center and raises the car's CG. Once that inside rear tire is off the ground, grip in the rear is effectively cut in half, further aiding rotation during cornering. It depends on the car and the tires being used. Now we have come all the way to the most difficult conditions we will see in dirt track racing. Fuel lines through driver compartment must be steel. You should also buy a tire pyrometer. You will need to reduce the air in your tires by 8.5psi to allow the right pressure when racing. Robot vacuums, stick vacuums, high-performance mops and more are up to 35% off during this Target deal. In addition, the increased tire pressure in the rear changes the shape of the tire, making it rounder, which makes it ride more on the center of the tread, decreasing the contact patch and decreasing grip. This catalog also lists the Dodge Factory Racing PCM's for the Neon that have a better Fuel and Spark curve for more HP,,,and have a higher rev limit.
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