Download the Jet Mod Scale & Setup Sheet Here! The Metric four-link Roll Center The metric roll center is quite high compared to other rear suspension systems, such as the three-link with Panhard bar, the leaf spring system, and the Watts link. The "ULTIMATE" Racing Car Chassis Setup Guide and Tutorial The car would have a complete roll cage with stock type suspension. Load the setup in the iRacing simulation under Garage - My Setups. . A Setup To-Do List to Get You Started . We must develop ways to create more rear traction on acceleration only. And your choice of aluminum or steel fenders doors and quarters. Basically - after you finish the set up routine, the car goes in the hauler. If the car feels tight on corner entry, raise the left track bar. 6. Add to Cart. Bush i agree with your Eriez/ 7 comment. That was it. Got protested and is now in limbo! Add to Cart. This topic is now archived and is closed to further replies. The fruits of this plant are large and can weigh over one pound. *-*. JP is that the car you wadded up and broke your leg? how to adjust iRacing Sprint Car cross weight, go here. The artistry comes in when you actually do it. Wonder how fast it would be if I changed the locations. Welcome to STLRacing.com, home of St. Louis Motor Racing News. If the car feels loose on corner entry, lower the left track bar. Told me he might be going to Lebanon to run now. Camber was -2 deg on RH and +2 deg on LH at ride height. The cameros have been better then the metric cars at SAS for years,they used to let the metric cars raise the spring pockets in the rear if I remember right,I don't remember what else they were allowed to do though to be competitive. Raising the rear of the lower links also lowers the rear RC, although in reality this is very hard to do because the links are already mounted close to the rearend axle housing. My truck has weight jacks and a stock 4 link. It depends on your rule book and it's enforcement. Thank you, that forum is a wealth of information. So, here is, in order of logic and importance, a list of setup parameters we need to address to make our cars fast and consistent. However, that is only one of the three basic geometric ways to move a tire on a race vehicle. Not that you can't get the same handling results with shims, etc., but it's a whole lot easier to adjust the handling of the car with weigh jackers. A set up plan will help you to build a race winning effort. Russet mites are a type of pest that can cause damage to leaves, stems, and petioles. They have all kinds of articles and how to write ups on what to do with a metric four link to make it work better, how to use things like bump stops, progressive springs, gas shocks, sliding ballast, to make a car faster and more drivable. I followed the progress of the THR #01 SS very closely and when Terry says he tried everything legally possible to get that rear end to quit binding up during body roll, he's not exagerating. Each end has its own moment arm length and resistance to roll as well as other factors. Thats the theory and the science anyway. Asphalt circle track metric GM 4-link questions - Speed-Talk.com I built the car not the engine . by RonL Fri Jan 02, 2015 12:36 am, Post The images used are taken from the iRacing Super Late Model setup screen. Anderson , IN. Plan your shock layout by comparing the stiffness of one to the other corners and to the spring stiffness at the corner you are trying to control. Circle Track Setup: The Case for Caster - iRacing.com BBC Truck Header 2 1/4in X 4in Fender Well Schoenfeld 2348 . Quote. Its hard to say without more information. I think everyone agrees that the old leaf spring cars (Camaros and Novas) are becoming harder and harder to find. Ill also answer a couple of common questions: These changes are applicable to all asphalt oval cars. I spoke with Dave24 after last weekend, he dropped the fronts down to 700 LF and 800 RF and got the cross down to 45.8%, pulled the bolt out and floated the RR spring. Location. We even did pretty good with it in the THR LLM class back in `99. Flat Tracks: On an asphalt car, utilizing slightly stiffer rebound on the left side, while softening the rebound on the right side, will generally enhance the handling of the car. We had LF 1000, RF1300. Lee Christjohn of Antigo, WI knows what it takes to win street stock races. I built Couchenours 99 car . The overall work that a shock does is to resist the rebounding of the springs and control the speed of compression. Long gone are the days of saying that the MC is not important. It is not advantageous to have the rearend steer to the right at any time on asphalt. We can run different sized lowering blocks, but that is not the same as a weight jack from a "quick adjustment" perspective. 8. Metric rear tech - BDLM Do not attempt to open the setup file in Windows. The idea is to steer the car using different height holes for the rear control arm mounts. Although Im sure youre backing up your corner and lifting early, it can still wear the right front because the tendency is to lift as late as possible which can cause a faster corner entry than you might realize, causing the RF to heat up. Setup Tips for Asphalt Oval Racing Create New Wish List . Tech Central - AFCO - Racing Asphalt Street Stocks & Parts Only - Facebook Additionally, modern pennies are only 2.5% copper, so older pennies should be used instead for better results. Fast And Furious. Always try to start with the track bars first. If you can use bucket and run a taller sprign thats a good way to go. Letting the metric cars run Camaro spindles would be a step in the right direction. We also discuss how to identify the cause and the best treatments for each type of pest. Street Stock Setups| RYCO Performance / iRacing Setup Shop Metric Street Stocks - Lone Star Speedzone Forums Bilstein Stock Car Shock Package-Metric Street Stock - Circle Track Supply Roughly 8-10 degrees of third link angle is sufficient to promote antisquat and not hurt your corner entry. Victory Circle - West Coast asphalt and dirt chassis design and SUCH AS SPRINGS, SHOCKS, SWAYBARS ETC. iRacing Dirt Street Stock Setups - Old School Racing Motorsports After you get the cross weight where you want it, adjust the ride heights. Since the spring promotes rebound and resists compression as inherent properties, then the shock rate of compression control must be less than the rate of rebound control. See auction date, current bid, equipment specs, and seller information for each lot. METRIC CROW FOOT Other Items Online Auctions Metrics can be competitive IF they are permitted to address their four-point rear suspension problems. 1. Vintage/Classic/Historical Engine Tech, 3V Performance Engine & Valve train Development, Race Cars & Parts - For Sale or Wanted, Asphalt circle track metric GM 4-link questions, Re: Asphalt circle track metric GM 4-link questions, https://www.physicsforums.com/threads/r ss.326355/. The upper BJ is trying to be forced in a forward direction and the lower BJ is trying to be forced in a rearward direction. Note the new cross weight and the ride heights. When you enter the corner you are going to slow down. Antidive and antisquat are mechanical influences that can help our transitional phases of entry and exit. the force of air. Get it right or don't get it at all. Heck, if you are paying 20 bucks to get into the pits you might . It must show a consistent gain in performance and a logical ideology to the bulk of race teams. The only component were worried about is These cars drive off the left rear more to keep them from being to loose, that is why you are starting to see the LF coming off the racetrack, it takes proper weight placement, rear bushing selection, spring choice, and ride heights to make it have a lot of traction but not be a three wheel out of control mess. Here is a synopsis of how camber effects the handling of the chassis: Here are the diameter choices of the bar: The grill tape option is located under the drivetrain/aero tab within the garage menu. It was either cheat or park it until the rules change. Then all you have to do is maintain that balance throughout the season and that means resisting making changes that take you outside that envelope. I think I'll make a proposal along these lines. In order to perform the set up routine the car needs to be completely ready to race. Setup Routine - JOES Racing Products Forum Actions: Forum Statistics: Threads: 4; Posts: 10; Last Post: I-44 Speedway-Jeg's Master of. Stock chassis that has been: Boxed, second "inner" frame tube added, suspension pickup points doubled and gusseted, rear frame notch (for future, wider tires), cross braces at front, rear shocks, and rear of frame. Most Metric cars I've evaluated have rear RC's up around 14.5 inches off the ground. How to Open the Setups. Shown above is a gaming expo fair in Europe that held a contest for the best gamer team in a newly released 1st shooter game How about just adding a panhard bar to the stock four-link setup? I don't get too many reports of continual, repeated wins and successes. This configuration is common in General Motors cars built in and around . We have continually pressed these issues because of the extreme importance they have. Filter by. Cra bomber, turbo ,etc. the radiator. Unfortunately, most rule books that I have dealt with are very vague. Sometimes weather differences will require changes to either tighten or loosen the setup. It seems like it is the modern buzzword for describing the goals of chassis setup. Setup & Tech Info - Jet Racing Inc Modified Chassis - Howe Racing Enterprises, Inc Street Stock Chassis Technology - Amazon.com First, we don't want to restrict the movement of the arms too much. We were allowed weight jacks and after market uppers in front also. It locates the rearend fore and aft, it reduces rear steer when the chassis rolls, it prevents axle wrap-up when braking or accelerating, and it provides a relatively stable roll center location. If you have any problem with the download, just email me, and I will email or Facebook you your file. That was the only time that car was really fun to drive even though I opted not to go to tech because it was not legal for THR rules. A slight amount of rear steer to the left has been shown to help provide more traction at the rear and bite off the corners where it is needed. state doesn't have. SR10 Dirt Oval RTR. We are only talking about a difference of 0.040- to 0.060-inch, but that is enough to help stabilize our car on exit and provide added bite. Quick view. I'm curious what everyone's thoughts are on what it would take to allow the metric cars to be competitive without giving them too much. The lateral location of the third link can affect the distribution of load among the two rear tires that results from acceleration and antisquat. toe in/ toe out turn left for street stock | STLRacing.com I'm thinking about building a B Body for dirt track racing. This guide was awesome! Swap Option: Medieval will build the chassis using one of our sandblasted frames. On both dirt and asphalt cars, it's a good idea to fine tune your shocks based on the type of track you're running. This chassis utilizes our very popular double slotted strut style front clip. If we have a top view difference in alignment between the transmission output shaft and the pinion shaft and they are parallel, then the angle to the driveshaft created by that misalignment might be sufficient to provide the needed angular differential needed for loading the U-joint bearings and reducing negative harmonics. I would suggest going to www,4m.net to the tech board. Mopar circle track question | For A Bodies Only Mopar Forum 97 to 2004 set up sheet for stock metric lowers ride height lf 3 1 2 to 4 rf 4 1 2 lr 11 1 4 to 11 1 2 rr 11 1 2 4 link amp 3 link lf 1100 rf 1000 these spring rates are a good starting point some tracks call for a little less and some for a more don t listen to your buddies on spring rates because different, the 4 5 / 20 Pavement Modifieds. This develops more crossweight as the car squats on acceleration. If you find that the left rear is the coolest tire on the car, then you have a setup balance problem where the rear is too stiff. The preferred way to adjust the cross weight is by moving weight around. Metric front end setup | Wissota Tech Set-ups, advice - ProBoards There are a lot of things you can do to improve handling. The less angle the better. I ran a street stock/sportsman from 1995 to 2000 with a metric frame. LOL. The amount of resistance is directly related to the degree of side view angle we put in our control arms and the amount of brake force used. SAS I seem to remember being faster than the sportsmans. SR32 - Developed for the right fronts of dirt cars where low grip is needed to help build bias in the front brake system and help the car turn better when you have to use 4 wheel brakes. Some of the names, most notably in the asphalt Street Stock springs, are different, but the process is the same. A spring split of 250-lb/in spring in the left rear and 200-lb/in spring in the right rear is common. Built to the same high standards of safety, quality and craftsmanship that has made Port City Racecars an industry leader. Take the RH arm and cut the tube off at the cross shaft, cut 1" off the tube and weld it back onto the cross shaft. But if you cant 11 inchers is all you can go. In 2005 Victory Circle entered the world of dirt racing. For the most accurate Setup and Tech Support, download our Scale & Setup Sheet, fill it out with as much information as you can and then fax it to us at 402-228-4796. Shocks Adding neoprene bushings to all of the connection points will unnecessarily restrict movement and cause the chassis to be stiff in roll. Stretch Film Division. If the car feels loose throughout the corner, lower both track bars evenly. Johnny likes a softer feeling car, front and back. So, we either lower the rear RC or soften the springs, especially the right rear spring, or preferably do both. There are two main ways to tighten or loosen the car. Johnson Chassis Inc by rick7343 Fri May 01, 2015 5:14 pm, Post by doing this and the use of lowering blocks the rear roll center can be changed, I know it's not a quick adjustment but it is an adjustment the the metric car in the stock. The components that locate the rear end must be evaluated and set correctly. Posted August 22, 2005. I have little experience on dirt but can definetely notice this! It is a low acid tomato with a unique flavor that has been described as sweet, yet slightly tangy. so I ran a .185 valving. Get the best deals on Asphalt Oval Racing Parts when you shop the largest online selection at eBay.com. Lift earlier, and/or drag the brake just a little bit on entry. Did not get DQ'd but after the race the promoter told him that too many other cars were complaining and he would not be able to run the car in that class. Caster. "One bad person can ruin it for everyone and that is just disrespectful", The racing aspirations Moment Center for Circle Track To add weight to a given corner, raise the ride height at that corner or lower the ride height at an adjacent corner. You need to keep the ride heights as close as possible to where they were before you started. Might go25- 50 pds more on each side and the left side should be more than the right side. Not sure if there is a standard for metric cars but I havent found any specs on it. JP, are you saying that you were allowed to run it in that form - stock lowers with an aftermarket upper link? Frost Racing - Setup Tips When the LF is too cold, the RR spring is too soft. did desi arnaz jr have a stroke; moose tracks vs cow tracks ice cream Only at teamsimkins.com. The effect is huge. These components include the radiator, oil/transmission coolers, & brakes. 30 day Money Back Guarantee!- If you don't learn something that helps you go faster, email me and I will refund 100% of your money back. Has gone 1.29 60 ft on spray, has 28 10.5 et street tires on it also. . The driveshaft alignment is critical from the standpoint of mechanical efficiency. It also seems hard to argue that the stock 4-link/metric cars have a hard time being competive in our SS/Sportsman classes where a stock suspension is mandated. A level panhard bar ( same mounting height on both sides) means force is vectored laterally to the tires. I'd think that without them you'd at the very least need to allow some sort of spring adjuster. Asphalt_Gundam - G body that turns - Grassroots Motorsports So, again this year as in past years, we will present what is admittedly the formula for success related more for the conventional and what we call soft conventional setups mainly because these are the ones that produce more consistency and do win races. Circle Track Setup: The Case for Caster. Still having problems? Over the years I have had lots of feedback that most . Brake bias influence can be easily determined by entering the corner with medium to heavy braking first and then entering with light braking to see if there is a difference. 507-386-3930. You refering to dirt track racing correct? sj_valley_dave wrote on 05/01/09 at 12:12pm: I spoke with Dave24 after last weekend, he dropped the fronts down to 700 LF and 800 RF and got the cross down to 45.8%, pulled the bolt out and floated the RR spring. Bite Off The Corners But just wondering what the heck guys are doing to these metric street stocks to make em so fast. It might help to leave it unattached on ovals. For many gardeners, it starts with tomatoes. .220 to .235 would be fine without a quickner. Also has a anti roll bar added to it. My Metric Front end setup | The Dirt Forum - ProBoards . camaro street stock setup camaro street stock setup Symptoms include bronzing on stems and petioles, curling and drying up of leave, This website uses cookies for functionality, analytics and advertising purposes as described in our. For the novice sim racer, all these setup options can seem overwhelming & confusing without the knowledge of what all these adjustments are or do.By understanding the basics of what each component is & how it directly effects the car, you'll quickly discover what direction you should head when trying to adjust for that looseness exiting the corner under acceleration. I thought these were street STOCKS? Street Stock Setups. Required fields are marked *. In the same manner, we can lower the rear mount of the upper link and lower the upper IC. The car madracing 19 has for sale has all of these things done to it. If you use no brakes you can wear the right front. Fox80. We also need to establish a ride height that will both be appropriate for our type of racing and also help to establish the best roll center height. PDF By Bob Bolles, Circle Track Magazine - Longacre Racing Our second design in our dirt chassis line this IMCA legal metric clip car designed in 2006 was already proving itself to be a successful chassis. What do you mean by spring loaded trailing arm, i've always had that idea, but not sure if its something thats available or something i would have to fab up. We always start with the front end geometry on any race car. And, of course, Terry chose to park it. Street Stock Dirt Oval Racing - All the dirt, clay and pavement-racing excitement in a 1:10 scale RTR. Home. Everything you need to know to build, set-up and race a Street Stock competitively. . I set the car up a particular way last year and won a heat race with my street stock in the late model class at HRP. Ill start of saying i know how to mesure the roll center but im not sure where im trying to go or how to exactly. The dynamics of the moment center and the effects of camber change have been explained before. With several wins and a championship under our belt after the first year . camaro street stock setup Don't get me wrong, I like our leaf car for obvious reasons, but it would be cool to see a bunch of metrics out there running well also. We have done a lot with the front roll center and cant wait to see how it does, after that, i found some legal stuff for the rear that we will try. Negative aspects might include excessive bumpsteer (more than 0.030 bump in or out in for each inch of travel is considered negative by most designers), excessive Ackermann (more than a 1/4 degree added steer in either front wheel in 10 degrees of steering input is considered excessive), and incorrect steering quickness. I wondered if a 3 link could be made to work well without them. 6 pt roll cage setup for easy in and out street use. I always knew that chassis set up had to be based on some proven theory, but I could never find a book that could tell me what that theory was. Circle Track Chassis Choice | NastyZ28.com //-->. The steering system in your car must be evaluated and any negative characteristics must be eliminated. IMHO they should be able to remove the two upper rear control arms and replace them with a single, fabricated, adjustable upper control arm (top link). I'm a former NASCAR short track driver and league administrator for SASCAR. Nick and I agree on something! However, tie down shocks are becoming less and less desirable. With setups that use a very stiff right rear spring, the angle of the right trailing arm will need to be less than when using a conventional softer spring because that corner will move less. A 1 1/2-inch top view misalignment with a 44-inch driveshaft results in nearly 2 degrees of angle at both the tranny and the pinion shafts. So, we must make due and set up these cars the best we can. Use the "new" 7 inch arm on the RH and the 8.5 on the LH. Those cars are coming around becoming competitive. I have found that these are the best ways to adjust iRacing setups to suit your driving style, or to handle better under different temperature conditions. Yes, I get inquiries about how to apply the BBSS setups to both of these types of cars. is applied to the front bumper & air dam of the car covering the openings for air flow to the various components that are cooled through as for the powertrain setup, 40 over 350 basically all stock with 882 heads and a 450lift isky oval track cam, brand new factory q-jet, running a 3-speed saginaw factory clutch/PP pulling the track in first gear, 2.54 with a 2.73 ring/pinion, not very big on power for the setup works VERY well together for this track, if you can keep it .
