That's one thing I've really never understood about some street stock classes that don't allow weight jacks. Ill also answer a couple of common questions: These changes are applicable to all asphalt oval cars. Verndale, MN. Circle Track Setup: The Case for Caster. I was just trying to help a guy asking about what is done to the chassis. We had LF 1000, RF1300, LR 200, RR200. The less fuel in the tank the tighter the chassis will become. Thats the theory and the science anyway. If the car feels loose throughout the corner, lower both track bars evenly. Customer is to bring a clean non-sandblasted frame when picking up the chassis. Chassis Setup Docs Hyper Racing. Got protested and is now in limbo! Understanding corner weights | Articles | Grassroots Motorsports If you can use bucket and run a taller sprign thats a good way to go. I would suggest going to www,4m.net to the tech board. Lowering the rear RC and softening the RR spring will help solve the problem. I thought these were street STOCKS? I feel the metrics should definitely be allowed panhard bars and rear weight jacks. Pavement Late Models Stock Cars. Even when clear rules exist, the track officials are often reluctant to enforce them. Most of the ideas in this book are perfectly legal for any rule book. 2,224. 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. If the camaros are allowed adjustable rear shackles and are allowed to use different lowering blocks then they already have weight jacks and are allowed to adjusted rear roll center. Create New Wish List . By Bob Bolles, Circle Track Magazine . Pavement Modifieds. . This is because of the construction using angled, from a top view, arms that converge to points called instant centers. Metrics can be competitive IF they are permitted to address their four-point rear suspension problems. Dwarf Mr Snow, Fred's Tie Dye, Saucy Mary, Sweet Scarlet, Kangaroo Paw Green, Idaho Gem and Banana Toes are just a few of the varieties one gardener is growing in a 4x8 bed of "bulletproof" tomatoes. Happy New Year. Yea how many years ago a1? Probably to the guys that are beating you! This was taken at Butler Speedway in Michigan. I'll start out with what seems like the obvious to me - the rear suspension. Numerous car builders have come to realize the truth in the above statements. In order to perform the set up routine the car needs to be completely ready to race. Sometimes weather differences will require changes to either tighten or loosen the setup. The cars with the stock metric 4 link all seem to go into a four wheel drift and are always loose on exit. I was thinking this setup might help because their are not alot of different way to adjust these cars other then stagger, offset, and maybe shocks. I think with the panard bar and 3rd link the metric cars. Chassis Tuning 101 Murfdogg. #1. I'm not saying this is not important to some degree, but on short tracks I would stress that aero downforce is over-rated in most cases. Bite Off The Corners A tight condition is the number one complaint from drivers. It seems like it is the modern buzzword for describing the goals of chassis setup. Since mustangs have a similar rear suspension would these same mods work? 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. What do you think Nick? 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. 358091 FAB IMPALA, NO UPPER MOUNTS. 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. there are a lot of knowledgeable guys there. men need when considering these types of changes. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Your email address will not be published. Much of the same information translates over to NASCAR Racing as well. By The preferred way to adjust the cross weight is by moving weight around. With allot of experimenting I found a way to really get the car to hook up. Brake Bias I noticed the camaros can arch or de arch springs. That is the best description of the result of the dynamic force that influences each system. Always try to start with the track bars first. 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. would be able to run on asphalt with the leaf spring cars. where can i get info on the set ups for a metric chassis short track dirt car, Do Not Sell or Share My Personal Information. Do not seek aero downforce at the expense of aero drag increase. 6 pt roll cage setup for easy in and out street use. Add to Cart. 70030. Once you have evaluated all of the above and feel fairly confident that the car is set up correctly, you should then work to tune the transitions into and off of the corners with the shocks. RacelineCentral is not responsible for the accuracy of this document, If you are an owner, sponsor, or mentioned here, Please feel free to contact us below for updating. Post Its not necessary unless your own a road course. ; this was with all four stock trailing arms. The driveshaft alignment is critical from the standpoint of mechanical efficiency. Get Ready for a New Season of Gardening -Choose from Tomatoes, Peaches, Corn, Zinnias & More! We had LF 1000, RF1300. I see the times at CCMS are identical, THR the truck .5 sec quicker. Street stock spring ? | STLRacing.com Setup Tips: These tips are for an independent a-arm front suspension and 3-link rear suspension type of car, but may apply to other types of suspensions as well. 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/. This configuration is common in General Motors cars built in and around the 1980's as well as some Ford cars, such as the Thunderbird, from the same time period. Is this why Im wearing out the right front? Whats the dominant front clip, and what are they doing with these metric rear setups? There's a happy medium between running just the right soft right rear and going too soft. Try to understand how aero downforce is created and then configure your car so that you take advantage of every area where you could produce more downforce. Loss of efficiency can rob power from the drivetrain due to the generation of vibrations and harmonics that are also damaging to the bearings. The amount of difference you need is directly influenced by the installed motion ratio of the spring and the spring rate. And as for you Modified and Stocker class teams, don't even think about it. S3 - Street Stock - USA $4.00; S3 - Street Stock - Lanier $4.00; S3 - Street Stock . Ive made the brackets on the rear housing (lowers) longer with trailing arm mounts that have 3 . Includes: Performance handling basics, chassis & roll cage fabrication, front suspension alignment, changing the roll center and camber curve, rear suspensions, springs and shocks, tires (bias and radial), stagger, gearing, basic chassis set-up for asphalt and dirt tracks, weight adjustments, tuning the car to . Stretch Film Division. 10. Most often, these pivot points are the upper and lower ball joints in your double A-arm style suspension system. And your choice of aluminum or steel fenders doors and quarters. For a better experience, please enable JavaScript in your browser before proceeding. Full of fuel, everything done, full of oil, lead bolted down. Thanks a lot for making it. For the lower links, lowering the chassis mounts at the front of the link lowers the rear RC. var email = "RacelineCentral" Most guys that are fast there are fast everywhere. This guide covers much of the basics for the less experienced sim racer as well as a troubleshooting section that should help reduce your lap times. Using our asphalt design technology as a building block and the dirt experience of our new shop foreman we designed our first dirt late model. Poorboy, I think you're exactly right. I don't really encourage that method. 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. The number one reason a car will be tight and not want to turn is because the front end is not designed properly. Upgraded Brakes for GM Metric Chassis Circle Track Race Cars Try to at least get to 53% front and 53% left weight with out adding ballast behind the rear wheels. A good handling car can make gobs of horsepower and hook it up. 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. Brake Pad Identification and Friction Surface Options Explained Metric Street Stocks - Lone Star Speedzone Forums by . lol Stocks are turning the same times as emods at most tracks these days, maybe not the top 3 emods, but pretty much the same wich is crazy. Not sure if there is a standard for metric cars but I havent found any specs on it. (Uncheck the box beside Attach left side and use the arrows beside Left bar end clearance to zero the preload). Another way to gain bite that we have described in the past involves the use of a spring-loaded pull-bar that allows a certain amount of rear end rotation. Pay attention to the left front tire temperatures versus the left rear. I would run either the pure stock or street stock class. Metric Rearend Suspension Video from a Street Stock Online: $349.99. The car would have a complete roll cage with stock type suspension. Wheel Accessories. Current Stock: Quantity: Decrease Quantity: Increase Quantity: Save to Wishlist. . Chassis. And I do agree weight jacks don't cost much, sure is alot easier to do the same thing we were doing with hidden couplers and shims . SR10 Dirt Oval RTR. This means keep track of weight coming off and going on. Anything helps when u trying to figure out a starting point.thanks for the input i will try some of this and see how it works i have raced some before mostly mini stocks. How to Lower the Cross Weight in an iRacing Setup. If the car feels as if it wants to break loose under throttle in the center or on corner exit, or drive off the right rear wheel (wheel spin), increase the cross weight. I built Couchenours 99 car . Forum Actions: Forum Statistics: Threads: 1; First of all, the design is intended to solve several problems. LOL. SmartPad BP-30 is a race only pad for heavy braking on dirt, and intermediate needs on asphalt. We took all the cross out like Lee and trailed the RR and did not use much stagger. Location. Here are some recommendations. Welcome, Guest. In an effort to clear up some of the confusion over all the setup options included within NASCAR Racing, I decided to put this guide together to help you better understand what, why, & how adjustments are made in the sim. The metrics at THR are NOT competitive compared to the leaf cars. If your vehicle of choice utilizes a McPherson strut style front suspension, then your 2 pivot points would be . RacelineCentral.com All Rights Reserved, NASCAR 2K3 Racing Season Garage 101 Guide Download, Creative Commons Attribution-Noncommercial-No Derivative Works 2.5. the force of air. I'm thinking about building a B Body for dirt track racing. . My truck has weight jacks and a stock 4 link. taipei city stock pictures, royalty-free photos & images STREET STOCK RACING CHEATS/TIPS? - Racingjunk Forums If you want to know how to adjust iRacing Sprint Car cross weight, go here. The overall work that a shock does is to resist the rebounding of the springs and control the speed of compression. . Compare that to an asphalt Late Model car with a rear Panhard or J-bar and a 10-inch rear RC height and a 15.5 inch CG height. Thats with a 305 a ton less HP. In order to slow you must lose (kinetic) energy. The use of softer front springs, larger sway bars, and big spring split in the rear has swept across the country for more than five years now with mixed results. Adjust the cross weight for more extreme conditions or different circumstances. did desi arnaz jr have a stroke; moose tracks vs cow tracks ice cream Over the years, most of the things that I have learned about racing, I've learned the hard way. Cvracer5. BBC Truck Header 2 1/4in X 4in Fender Well Schoenfeld 2348 . 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. How do I adjust the cross weight in an iRacing setup? These are the general rules unless you are trying to "tie down" a corner. Roughly 8-10 degrees of third link angle is sufficient to promote antisquat and not hurt your corner entry. There are a lot of things you can do to improve handling. They aren't expensive to buy or install, WB shocks are the same price as stock mount ones and bolts allow for much easier tuning. Jul 25, 2011. Estler's Mortgage Lifter is ideal for growing in northern climates due to its ability to withstand cooler temperatures better than other varieties. Setup Tools. Sep 1, 2009. Caster is best described as a vertical line that runs through the 2 pivot points in your car or trucks suspension. Most good cars are built on wheel scales. You must log in or register to reply here. Lee Christjohn of Antigo, WI knows what it takes to win street stock races. Shocks 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. LIT-721 80293NDP 2009-2015 Cadillac CTS-V HE. Taipei Taxis, City Traffic Taiwan Street scene in the capital city of Taiwan at dusk with motion blurred taxis and traffic in the streets. Sort by. Adjustment Guide - Medieval Chassis. Check with the rules to see if it's even mentioned. Splash = 2-3 gallons, 1/2 can = 5-6 gallons, 1 can = 11-12 gallons, 1 1/2 cans = 17-18 gallons, 2 cans = full tank. by rick7343 Fri May 01, 2015 5:14 pm, Post Additionally, modern pennies are only 2.5% copper, so older pennies should be used instead for better results. 10702FMI FRAME & CAGE - FAB IMPALA MOD. The moment center must be located correctly for your type of racing and the cambers must be set, again toward your setup style and track conditions. These pads are use on dirt for medium and heavy braking, and asphalt for sportsman and Hobby Stock cars. Every year, Jack asks drivers for input regarding rules changes for the following year. Setup Tips for Metric on asphalt | racecheep - ProBoards How about just adding a panhard bar to the stock four-link setup? The settings, including the moment center location, really do dictate how all of the other parts and pieces of setup will work. I'm thinking that a panhard bar would eliminate side to side motion but little else. After payment you will be directed to a download page. AFCO C1 METRIC PADS. 9. ANYBODY KNOW OF ANY STREET STOCK RACING CHEATS/TIPS. All this really depends mostly on the track and maybe the car youre driving. Adjust all four spring perch offsets to change the cross weight. We also might want to change the locations of the chassis and/or rearend mounts for the links. Christjohn has been racing street stocks for 13 years and has amassed 74 feature wins and 4 track championships. Welcome to STLRacing.com, home of St. Louis Motor Racing News. ; C1 - Designed for medium to low brake temperatures and provides good cold bite while being rotor friendly. Plan to win in a repeatable fashion. I can't tell you how many times I have refined the MC location in a car and had it totally change the way the car turned, for the better. Just giving the car more rear traction, period, does not help us if the car becomes too tight in the middle of the turns and we could end up with the reverse of what we need. Victory Circle - West Coast asphalt and dirt chassis design and It's that time of year again when gardeners all over the world are planning what to grow in their gardens. March 27, 2015. I haven't plotted it all out but four links, none of which are at the axis of rotation, would tend to fight each other as body rolls. The less angle the better. I can only speak for THR, but we are not allowed to use adjustable shackles, or I should say we are not allowed to have shackles of different lengths. As far as I know, all of the iRacing asphalt cars are adjusted the same way. In this article, we explore the possibility of russet mites, thrips, spider mites, and other causes of leaf damage. And, of course, Terry chose to park it. The very last thing you need to worry about is your aero package. Next is engine set back if allowed. Good luck and keep the rubber side down!!! Drag the brake lightly as you enter the corner. PDF Asphalt Modified Setup Guide - Hldm4.lambdageneration.com Hobby Stock - (USRA/IMCA TYPE) Street Stock - (WISSOTA TYPE) Stock Car - (USRA/IMCA TYPE) The lateral location of the third link can affect the distribution of load among the two rear tires that results from acceleration and antisquat. How do I tighten or loosen the car on entry? I know enough about suspension geometry and how to achieve it, but what i have been playing with now is CG and where it works best. Each end has its own moment arm length and resistance to roll as well as other factors. THAT ARE CHEAP AND APPEAR STOCK. 266. JP is that the car you wadded up and broke your leg? I had a very experienced racer come out and help us one time and he said the problem he saw with the car is the rear end looked as if it was shifting to the left by a couple inches. The overall general rule is that the angles between the driveshaft and both the pinion shaft and the transmission output shaft need to be equal and in opposite directions. But if you cant 11 inchers is all you can go. However, they should be required to run he two stock lower rear trailing arms in their stock locations. The track was a 5/8 mile asphalt and was extremely fast. Too low a ride height could cause the car to bottom out.