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. Looked like fun and super cheap to do. Some of the other cars are done similarly while others may have adjusting cam bolts. Does not include seat, seat belts, or battery. If not, refer to steps A. through C. above. Hardened and more packed as the surface begins to dry out: 1.3 to 1.5 g's (still good corner speed while losing a little grip off the corner). ACP: Now that next thing you can do (to get the most out of a front-wheel drive performance car) is start to take advantage of the fact that the car is front-engine and the front wheels are pulling you forward. 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,,. Wet, sloppy, and rough: 1.6 to 1.7 g's (peak g's but very difficult for the driver to maintain a good line). You should also buy a tire pyrometer. This is especially true on cars with MacPherson strut front suspensions. Share your tips and tricks on how to get your car fast! Next in line are anti-roll bars. http://spartanspeedway.com/OldBoardStuff/PeedSecrets.html. Upgrade base model vehicles to ACR/RT level, and upgrade ACR/RT models to higher levels. For more than about 7 degrees on the Mopars, you'll have to lengthen the lower control arm. Tips for driving fwd on dirt - YouTube They call him NeonWill - (cue the music!!). Requires the use of premium fuel. By If you have a high-quality performance tire, you make that circle bigger. P5007030 Camshaft 6 hp Increase, 2 hp with 2001 H.O. If you want to leave the dash and shifter that's OK. Also remove all glass, the windshield is optional. Mr. Arnold. 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. Frankly, the advice that was given regarding front-to-rear weight distribution and spring selection for a FWD car is questionable at best. These race series' are broken up into classes according to their style. Stock for make and model - Dodge to a Dodge, Honda to a Honda. When carving around a cone, does your car resemble a dog lifting its hind leg to a fire hydrant? If it can be made to have more resistance to twisting, the car will handle better. The RR spring should change to a 200-pound (rated) spring or pull one rubber out. Throughout an event, most dirt tracks change surface characteristics, some in a dramatic way. You can also do a lot with tire pressures to adjust the handling. Basically, the more you turn the steering wheel, the more camber, and potentially more grip, you get. There are a couple of downsides to higher rear tire pressure. We might want to anticipate the dry and slicker conditions coming now for lack of time later. FYI, I run 4.25 deg negative camber in the front and 2.25 negative camber in the rear. cross bar in top halo. No mini clutches or couplers. I would call these "marathon posts" LOL! And unfortunately, that's going to slow you down. The primary goal of the diff in a front-wheel drive application is to apply power efficiently to both wheels, without excessive wheel spin from the less loaded, inside front wheel. 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. The whole challenge of a front-wheel drive car is the tires friction circle. - Especially the neon stuff - Or resident Neon driver is FAST now! Watch Absolute Carnage Ensue At Cleetus McFarland's Danger Ranger On Pure Stock, Information Contributed by : Torg Motorsports, ---------------------------------------------------------------------. Pretty much stock 4 cyl. Robb was like, I still get comments on this article. Reinforcing of wheels recommended. Late Model (LM): A similar situation would apply to the LM car. 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. The car should enter, go through the middle, and come off the corners going straight ahead and balanced in the overall setup. JalopRecs | 'Tommy Boy' Is One of the Best Car Comedies of the '90s, Rainn Wilson is Tired of Tesla and its Yoke, Racing Tech | How F1 Sanctions Wind Tunnel Testing for Close Racing. The "slide job" works well here because as you go under a car coming into the corner, you pass and inevitably slide in front of the passed car. East Lincoln Motor Speedway on MyRacePass It is indeed a "real" race car doing real racing. The axle in these cars acts like a swaybar. Do a tune up on the engine and check the compression. 16. Any other setup will put the engine over 6100 rpms and will cause the built-in rev limiter to kick in. 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. Because youre asking it to steer and take a lateral load, at the same time, youre asking it to pull you forward and accelerate, or brake, you very quickly, get to the edge of that tires abilities. We can observe cars that three-wheel off the turns and hear the throttle being cycled on and off. Dirt track FWD racing 1 2 dankspeed New Reader 9/5/10 8:38 a.m. My brother was in town so we took a trip out to some dirt track oval in Indiana with my dad. This is the old Pony Stock "Speed Secrets and Tricks" message thread. I was just rereading this article yesterday, with the plan to take my econobox for an alignment, before Sunday's autocross. Track may require mufflers (IMCA recommended). Karts. They need to be rolling with not a lot of slippage, especially when the track is slick. Driver-side window net required, minimum 16x20 ribbon or mesh style, and must be mounted so latch is at top front of window. 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. Someone else can chime in about the other cars. Performance urethane/polyurethane to the rescue! > Do want more weight % on the front or the rear? Tire Grooving and Siping Tips - Speedway Motors No iron, galvanized pipe or fittings, square tubing, brazing or soldering allowed. This is where a limited-slip differential comes into play. 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. ( TIRES AND WHEELS: OEM DOT 13, 14, 15 or 16-inch passenger tires only. DRIVER COMPARTMENT: Minimum three windshield bars and protective screen mounted in front of driver. Chassis Handling Tips - Fixes For Common Race Car Handling Problems Also, using them is very close to installing a more robust suspension. Make your front-wheel-drive car faster - Grassroots Motorsports We will make some changes to the previous spring setup. 5. Same as production 199599 ACR. Maybe the same thing is happening here with the FWD cars? (Consider the Ford Focus ST.) It doesnt have a real (limited-slip differential), but like so many of these cars now, (it) uses an electronic brake distribution control (to simulate the effect of an LSD). Whatever that might be. steel lug nuts. Walk on foot. But if you decide to build one, here are some tips. The goal with the big rear bar is to transfer the energy from the loaded outside rear tire to the unloaded inside front, attempting to keep it planted and hopefully giving it more grip both laterally and for forward acceleration. Brand Specific Builds Classifieds Legend New Posts No New Posts Most cars run very little negative camber straight from the factory. Most run a locked diff. In the back, you want a swaybar or a stiffer one than you already have. Tires will be the most used/checked thing on your racecar. Secondly, because were having to use the throttle to counteract the rotation of the car, we will be going to throttle long before corner apex, increasing the amount of time the car is accelerating. Then when you want to change it slightly, just adjust one side or the other a little. This makes plate diffs the clear winner when used for a full-time, dedicated front-wheel drive track car. Done correctly, this weight transfer has the added benefit of taking weight entirely off the inside rear tire, resulting in the classic three-wheel, peeing dog cornering stance that front-wheel drive cars are so well known for. Keep the all-terrain tires and lower the pressures a bit. . Because AWD cars fundamentally are FWD cars with RWD added. Always check it after any contact with other cars. (If you are interested, you can learn more at www.DirtSchool.com. Rotating The Car - The Key To Cornering Fast | Speed Secrets Once the track has hardened, it will quickly continue to change toward black and then to slick. Front-engine, rear-drive . ACP: Historically, front-drive cars had a reputation for not driving well, not being great performance driving cars. If you do get a tire that is glazed over, you just do what you can. ACR hubs and bearings should be replaced after 12 on track hours. You lose more camber in the rear too! 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. The goal with stiffening the rear bar is to transfer weight to the outside as the car enters a corner. Almost always, that means bringing you information about how to build a better--and safer--race car and set it up for best performance. The closer one gets to a 50-50 setup, the fewer handling crutches are needed to balance the car. 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. We won't change the setup at this point in time, but the driver will need to think more about throttle control coming off the corners to prevent wheel spin. What happens if you gain camber up front while turning due to added casterthe entire body rolls more, and your rear outside tire is now leaning over even more (assuming you didn't make any changes out back). You should use four to six bolts to hold the seat down. Have Russ a Crankshaft Craftsman in Detroit regrind the stock roller cam to Oval track specs. Which is why front-wheel drive cars tend to understeer, especially on corner exits. Dirt track FWD racing| Grassroots Motorsports forum I've been very pleased with camber plates run sideways for castor. 4. Same with go-karts with solid rear axles, theyll lift a wheel around a corner. 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. These Mopar Performance Coil Springs will add a new dimension to your cars handling and performance. ( Claim does not include 1. racing seat, 2. safety belts, 3. fuel cell (if equipped). Any time youre flying a car through the world youre flying it on four palms of your hand on the ground. Caster will never add negative camber on turn in, because steering axis inclination takes camber away. 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. On this car, we would have already moved the upper mounts for the rear shock/springs out as much as possible to reduce the rear spring angles. The disclaimer here (before I get totally ripped on the GRM forums) is that there are many ways to skin a cat when it comes to car setupfar more than I have space here to go into. Because the weight is all in the bowl of the spoon, where your fingers dragging it down, and its dragging the rest of the car with it. 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. With a $2500 buy rule. A more sideways driving style is sometimes helpful for mostly aerodynamic reasons. LM: We can now. Front wheel drive is the wave of the future. ENGINE COMPARTMENT: Engine and radiator must be OEM, in OEM location for year, make and model of car used. Well, as Peter Cunningham proved more than a few times this year running his front-wheel drive Acura head-to-head with the rear-wheel drive Mustangs and Camaros in the WC GTS class, well-set up, well-driven front-wheel drive cars can be more than competitive with their rear-wheel drivecounterparts. I just assumed you weren't listening while I was ranting and raving about suspension theory. This is the pressure you are targeting for each wheel when the racing car is out on track. Welcome to the internet home of Front Wheel Drive Circle Track Racing Podcast show is being worked on daily! - oh boy - the 2007 TPS/ Thunder year is going to be exciting!!! 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. The rear springs don't need to be stiff at all since they are carrying very little weight. We need to maintain the downforce our car produces for corner speed, while providing some kind of bite off the corners. All safety equipment required. 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 ). Franklin: If you race both Supers and Crates, when you get back down to the Crates it does seem to be easier because your straightaway speeds are so much less, and it just seems like it takes forever to get to the corner. We will take more air out of the tires, but not enough to cause them to roll over. The rear ride height would be set as low as possible, as this would raise the rear moment center and lower the CG to reduce the rear roll angle versus the front roll angle to help balance the setup. CT: What can you do if you have a rear tire that glazes over after a caution? Or if you are a three-wheel braking, you go to four-wheel brake. . Well Mr. Holt, as a matter of fact I just returned from 2 weeks in Egypt. 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. Camshaft package includes cam, front seal and cam lube. This effect can be taken to an extreme, and we never want to three-wheel the car in order to create the effect. Easy Steps to build a Pony or F.W.D. Just remember to use less throttle so you don't spin the tires, because that means losing traction. Gas tanks ahead of rear axle allowed but must install shield under it. It depends on what ratio you are comparing to. So give it time. What Is Front-Wheel Drive? | YourMechanic Advice We can see how it is possible to experience a high 1.7 g's all the way down to a very low 0.7 g's in a single day. All tubing must be minimum 1.50-inch O.D. I run with a touring series called the Texas ProSedans and we run only asphalt. 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). Dick Shine used to say that caster was evil and to never increase it. This is actually 52-55 percent using the LF and RR wheels for the calculation. I forget where I ran upon the discussion but there is some kind of analysis that was done at some point to see why he might have thought this And it had to do with the tire's "trail" and where it fell in relation to the contact patch causing a disconnect in steering feel as grip is exceeded. You can only buy 1 car per night. Most of the racers are using the frame mounted fuel pump from an 88-91 Ford truck. http://www.mopartsracing.com/parts/neon.html. And others lower the left bottom bar religiously, and I don't like that. Snug is better. 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 car's rear.

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