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. X-Y-G METRIC STREET STOCK / SPORTSMAN HEADQUARTERs 704-784-5353. The very last thing you need to worry about is your aero package. 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. When thisbook was originally published in 2001 it was specifically for GM Metricchassis (78 or newer Malibu, Monte Carlo, Regal and Cutlass cars) racing on asphalt. 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. Take a look at a metric street stock rear suspension video.
Brake Pad Identification and Friction Surface Options Explained #1.
Mopar circle track question | For A Bodies Only Mopar Forum Swap Option: Medieval will build the chassis using one of our sandblasted frames. I think if I had the opportunity I could make the 4-link work on asphalt using a similar set-up that I used on dirt. The left side suspension usually is designed with about half the angle of the right side in a conventional design. By We can run different sized lowering blocks, but that is not the same as a weight jack from a "quick adjustment" perspective. Always try to start with the track bars first. Samuel232.
Adjustment Guide - Medieval Chassis 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. Nick and I agree on something! 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. Your statement that the 3-link is what the metrics needed to level the playing field is the type of feedback that tech. Bilstein has put together the ultimate Street Stock / Factory Stock Shock Package. Roughly 8-10 degrees of third link angle is sufficient to promote antisquat and not hurt your corner entry. However, that is only one of the three basic geometric ways to move a tire on a race vehicle. Conclusion by RonL Fri Jan 02, 2015 12:36 am, Post Over the years I have had lots of feedback that most . Forum Actions: Forum Statistics: Threads: 4; Posts: 10; Last Post: I-44 Speedway-Jeg's Master of. 3. The moment arm is 5.5 inches for the Late Model and is much easier to set up. So, it might be the best for asphalt racing to run as low as possible or as much as the rules allow to create a lower center of gravity. Has gone 1.29 60 ft on spray, has 28 10.5 et street tires on it also. I was just trying to help a guy asking about what is done to the chassis. See all 6 photos.
Race car suspension Class | Page 47 | Physics Forums 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. Much of the same information translates over to NASCAR Racing as well. Prices listed are with a frame swap option. Your close on the springs if the car is 3200. Setup Tips for Metric on asphalt racecheep.
Circle Track Chassis Choice | NastyZ28.com 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. SmartPad BP-30 is a race only pad for heavy braking on dirt, and intermediate needs on asphalt. Through trial and error, I spent a lot of time, money and energy learning how to get a race car to go around the corner and end up in victory lane. Download the Jet Mod Scale & Setup Sheet Here! Car went anywhere he wanted and was quick time, won the trophy dash, heat . We are at a crossroads at this point in time with setup technology in asphalt racing. We also discuss where we want the roll cente. Additionally, modern pennies are only 2.5% copper, so older pennies should be used instead for better results. You must log in or register to reply here. With several wins and a championship under our belt after the first year . Has boxed lowers, adjustable uppers , stock springs and shock. A trend must prove itself in order to stand the test of time.
Metric Street Stocks - Lone Star Speedzone Forums Dec 24, 2005 at 5:33am. the radiator. 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. Also pinion angle with stock bushings. We ran the car with a lot softer set up than that.
Chassis - Port City Race Cars iRacing Dirt Street Stock Setups - Old School Racing Motorsports Next is engine set back if allowed. If the car feels loose throughout the corner, lower both track bars evenly. The fruits of this plant are large and can weigh over one pound. The Camaro's we were running against could have weight jacks and tubular uppers as well so it was pretty even. 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. Note the new cross weight and the ride heights. 70030.
Victory Circle - West Coast asphalt and dirt chassis design and Thank you for pointing out the obvious to me . And, it must be economically applied. The last time I drove that car I put a short third link (11 inches long) and a long panhard bar after that any adjustment I did to the car it did what it was supposed to do. Street Stock; Other; Best Selling. Chassis.
Street Stock Chassis Technology - Amazon.com This chassis utilizes our very popular double slotted strut style front clip. 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
Street Stocks Dur-A-Flex Racing I built Couchenours 99 car . I think everyone agrees that the old leaf spring cars (Camaros and Novas) are becoming harder and harder to find. would be able to run on asphalt with the leaf spring cars. For the Big Bar, Soft Spring setups, teams often introduce Pro-dive into the left front suspension to encourage rapid dive on entry to get the left front down quickly.
Street Stock Setup Manual How to Open the Setups. It is this sliding scale situation that determines the stiffness of your front end. how to adjust iRacing Sprint Car cross weight, go here. 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. Bilstein Stock Car Shock Package Fits the popular metric chassis (4) Front shocks (3) Rear Shocks Stock Mount front and rear Additional Features Nitrogen Gas . 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. Go here but read before you post..lol. 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. A Setup To-Do List to Get You Started . I drove the #01 ss for two years and tried everything I could think of within the rules and it was a hard job to keep the car in control because of the binding of the rear suspension. I want to try a reverse spring set up on a hobby stock car that am helping a friends with its a 3400 lbs metric car all stock. 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. Christjohn likes to get to the track early and get his car set up so he can watch the races. Most good cars are built on wheel scales. 6.
Speed and how it is made - Bsbgofast.com BBC Truck Header 2 1/4in X 4in Fender Well Schoenfeld 2348 . When you enter the corner you are going to slow down. Both of these ICs act like hard points of resistance to lateral movement of the chassis. Conversion to Race Car When we convert a Metric four-link suspension to a racing application, we need to be aware of several important factors. Steering Geometry I would run either the pure stock or street stock class. Adjust the cross weight for more extreme conditions or different circumstances. Wheel Accessories. All this really depends mostly on the track and maybe the car youre driving.
Asphalt Oval Racing Parts for sale | eBay When the LF is too cold, the RR spring is too soft. I would get the metric arms from Speedway P-N 910-31134-RH (LH) they are 8.0 and 8.5 long. FOR 78-88 GM METRIC CARS. More has to be done to help the rear roll to match the front. The set-up really planted the RR tire. JP is that the car you wadded up and broke your leg? These are the general rules unless you are trying to "tie down" a corner.
Setup Tips for Asphalt Oval Racing Antisquat is detrimental to corner entry. Roll Center or Moment Center. . If there is, try to adjust the brake bias to eliminate the adverse condition. However, they should be required to run he two stock lower rear trailing arms in their stock locations. If the car feels loose on corner entry, lower the left track bar. The cross weight adjustments should work on all dirt cars except the Sprint Cars. Officials are trained to find sneaky parts. Here are some recommendations. Reply #9 - 05/01/09 at 8:00pm. But the most useful rear steer will only occur on acceleration and not at mid-turn. 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. Click. I'll start out with what seems like the obvious to me - the rear suspension. Good luck.
Roll Center(movement center) circle track 1981 Camaro help We took all the cross out like Lee and trailed the RR and did not use much stagger. Taipei, Taiwan. These pads are use on dirt for medium and heavy braking, and asphalt for sportsman and Hobby Stock cars. Moderators:FeliciaMC88, UFo Race Championship.
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Asphalt circle track metric GM 4-link questions - Speed-Talk.com Street Stock Racing Cars for Sale | RacingJunk Conversely, if the car feels tight throughout the corner, raise both track bars. Drag the brake lightly as you enter the corner. 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. The 1st thing we will need to do is look at the car, where are we with your current setup and how far can we go with that setup. They arent usually as good at spotting little modifications to every single part of the suspension. Manyof the ideas fit into the gray areas and some of them are outright cheating. For example, if your initial setup is 52 percent cross-weight, and you want 50 percent cross-weight, lowering the right front or left rear corner will decrease cross-weight percentage. Im lifting early and using zero brake. To add weight to a given corner, raise the ride height at that corner or lower the ride height at an adjacent corner. document.write("
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With allot of experimenting I found a way to really get the car to hook up. If you want to know how to adjust iRacing Sprint Car cross weight, go here.
I will post as I no longer race, the biggest thing is the angle of the upper and lower control arms in the rear, you need to understand roll center and instant center to be able to adjust it correctly. Pavement Modifieds. Did they allow weight jacks? This means keep track of weight coming off and going on. In the same manner, we can lower the rear mount of the upper link and lower the upper IC. The less fuel in the tank the tighter the chassis will become.
Frost Racing - Setup Tips 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. 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/. Ill also answer a couple of common questions: These changes are applicable to all asphalt oval cars. JavaScript is disabled. RAceman. The metrics at THR are NOT competitive compared to the leaf cars. Required fields are marked *. Strictly asphalt street stocks and parts. Conversely, if the car feels tight throughout the corner, raise both track bars. Fox80. Caster. 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. ! The only component were worried about is
The rear won't desire much roll and there will be excess load transfer to the outer wheel and tire. If the LR tire is too cool, then the RR spring is too stiff. This guide is very similar to the NASCAR Racing setup guide. Motorcycle. Welcome, Guest. 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. I understand not wanting to share to much especially if your a racer, but who or where else can I gain info on this? did desi arnaz jr have a stroke; moose tracks vs cow tracks ice cream
This setup guide also has new information based on the changes that go along with the new version of the sim. 6 pt roll cage setup for easy in and out street use. If it is too far to one side, then changes to the brake master cylinder sizes and/or the pad compounds might need to be made in order to maintain a centered-bias adjuster. It is not advantageous to have the rearend steer to the right at any time on asphalt. The driveshaft alignment is critical from the standpoint of mechanical efficiency. Heres a helpful image. The car would have a complete roll cage with stock type suspension. It is a low acid tomato with a unique flavor that has been described as sweet, yet slightly tangy. 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. I would suggest going to www,4m.net to the tech board. Most Metric cars I've evaluated have rear RC's up around 14.5 inches off the ground. Ill provide a couple of tips that will help you get your car tighter or looser, whichever you need. Online: $349.99. Since the braking forces are in the opposite direction, there is a serious resistant force created which helps prevent the front suspension from moving in compression too quickly while braking. Track Tools. Told me he might be going to Lebanon to run now. If one corner of the car is shocked stiff, then as that corner desires to move in compression, more load will be retained by that corner as well as the opposite diagonal corner of the car during the compression cycle only. . Hobby Stock - (USRA/IMCA TYPE) Street Stock - (WISSOTA TYPE) Stock Car - (USRA/IMCA TYPE) In short, you'll get more rear grip by lowering the rear RC. There are two main ways to tighten or loosen the car. A three link with panhard bar using the stock lower mounts works fine. They should also be able to run any panhard bar. There's a happy medium between running just the right soft right rear and going too soft. The reason I say that with confidence, is because I have gone up against more aero efficient cars with setups and body configurations that were aero-deficient and still out ran them. The overall work that a shock does is to resist the rebounding of the springs and control the speed of compression. SAS I seem to remember being faster than the sportsmans. Administrator.
My Metric Front end setup | The Dirt Forum - ProBoards This is because of the construction using angled, from a top view, arms that converge to points called instant centers.
Greetings guys, Im new to the site. If the car feels loose throughout the corner, lower both track bars evenly. It would be nice if we could change the rear suspension, I have done a lot of research on it and have found some info, there is just not a lot legally that can be done with it.
Saturday Night Racer - reverse spring split - LATEMODELRACER.COM I better get the torch and welder dusted off! The front moment center (MC) location plays a huge role in how the front end wants to work. We have been softening those setups over the years, but never intended to go to coil bind or bump rubbers. See auction date, current bid, equipment specs, and seller information for each lot. What do I do if the car is loose or tight throughout the corner? Even when clear rules exist, the track officials are often reluctant to enforce them. Billy Becka's 29 car, as he mentioned, was fast at SAS, but THR and SAS are very different beasts. Location. If the car feels loose on corner exit, lower the right track bar. 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 . You must try to determine if your setup is balanced and then if not, make the necessary changes to bring it into a balanced state.
camaro street stock setup The more third link angle you have, the more antisquat there is. And, of course, Terry chose to park it. Load the setup in the iRacing simulation under Garage - My Setups. 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. This variety grows best when grown alone and can reach up to 12 feet tall. Poorboy, I think you're exactly right. jp. 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. Plan out changes that could help improve performance or durability. This was taken at Butler Speedway in Michigan. Heck, if you are paying 20 bucks to get into the pits you might . Sort by. Every year, Jack asks drivers for input regarding rules changes for the following year. The amount of difference you need is directly influenced by the installed motion ratio of the spring and the spring rate. This 7 shock kit includes shocks for every track condition with tips to help fine tune your racecar. var contact = "Contact Us"
Dirt Late Model Racing News and Driver info across the Mid Atlantic. As for stock arms they worked just fine ,and didn't cost anything. 507-386-3930. pretty much none of that ++*% matters at stateline, it is mostly driver and survival is the name of the game, get all your angles and roll centers figured out and you will be faster when you make it to the front i have seen dozens of cars that dominate in the stock class at stateline but get squashed at eriez and rw7 however once you get a car fast at either of those tracks then you will be fast everywhere you go. Check with the rules to see if it's even mentioned. Then it's done! We ran the stock lowers but boxed them and put in better bushings if I recall correctly. JEFFREYS Fabrication is coming soon!!! The front end takes time and effort to get the bump steer and caster gain within a tolerable amount, you have to move the upper and lower control arm mounts, cut the left side lower control arm, use special length ball joints, etc, etc. I drive both a metric (my truck) and a leaf spring car (ss). ANYBODY KNOW OF ANY STREET STOCK RACING CHEATS/TIPS. For me its very hard to be consistent and to adapt to the changing track states! If the car feels tight on corner exit, raise the right track bar. Thank You, DreamRacing.com offers a chance to go racing
Unbalanced setups exhibit easily observed characteristics, such as unusually high degree of wear and temperature on one tire versus the other tires. As the car is lowered, the rear RC will generally move down. Posts: 72. I talk to lots of racers representing every form of circle track racing in every region of the country and beyond. by . How to Lower the Cross Weight in an iRacing Setup. Get any of Steve Smiths street stock books for general knowledge in the essentials of cam/cas, toe out , roll center etc. As far as I know, all of the iRacing asphalt cars are adjusted the same way. Remember, we're still using stock components, we're just making small relocations of those points. From NE Ohio to North Central Mississippi, everyone has their own ideas and preferences for what they will plant this year. Might go25- 50 pds more on each side and the left side should be more than the right side. Maybe if Billy would be more specific about how he made his stock setup work we could learn even more.
The Street Stock | Get Started Racing But just wondering what the heck guys are doing to these metric street stocks to make em so fast. With so many different combinations of possibilities it leaves us with literally thousands of possible chassis combinations to choose from. Not sure if there is a standard for metric cars but I havent found any specs on it. . Its important to make even adjustments, meaning you should make the same number of clicks on each spring perch. Moving the pull-bar or just the third link to the left increases the loading on the LR tire during acceleration. So don't try it. Subtle changes often go unnoticed, especially when they're hard to see without jacking the car up and crawling underneath. As these pads get hot, they offer more friction, and still work well at over 1000 degrees. Most often, these pivot points are the upper and lower ball joints in your double A-arm style suspension system. The cars with the stock metric 4 link all seem to go into a four wheel drift and are always loose on exit. 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. 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. Get it right or don't get it at all.