The metric cars can use different size spring spacers as well, so the playing field is already level in that respect. 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. A high rear roll center causes a short moment arm in the rear suspension and will stiffen the rear suspension similar to installing very stiff springs. Its hard to say without more information. Fast And Furious. All customers interested in purchasing, repairing, or setting up a Howe-Eddy modified should contact Travis Eddy at Eddy Performance (989) 948-8005. The less angle the better. We are at a crossroads at this point in time with setup technology in asphalt racing. Smaller gains can come later on after the more important aspects of setup are resolved. 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. How do I tighten or loosen the car on entry? 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 . Setup Tips for Metric on asphalt racecheep. The amount of difference you need is directly influenced by the installed motion ratio of the spring and the spring rate. Swap Option: Medieval will build the chassis using one of our sandblasted frames. View Profile View Forum Posts Private Message Visit Homepage 02-25-2021, 09:09 AM. Free . Sort by. Even when clear rules exist, the track officials are often reluctant to enforce them. state doesn't have. The metrics at THR are NOT competitive compared to the leaf cars. Special Discount Cost- $24.95 !To download a copy of the E-book, simplyclick on the link below. There are two main ways to tighten or loosen the car. Long exposure, Nikon D810. Administrator. Conversely, if the car feels tight throughout the corner, raise both track bars. 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. We were allowed weight jacks and after market uppers in front also. by RonL Fri Jan 02, 2015 12:36 am, Post 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. You must log in or register to reply here. 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. I'm a former NASCAR short track driver and league administrator for SASCAR. Dec 24, 2005 at 5:33am. -3 . 03 0@ 34-.=- 2 ++(+'o $ (&%q qqqqqqqqqqqqqqqqqqqq ,&%q qqqqqqqqqqqqqqqqqqq qq (,%q qqqqqqqqqqqqqqqqqqqq ,,%q qqqqqqqqqqqqqqqqqqq qq I drive both a metric (my truck) and a leaf spring car (ss). Also has a anti roll bar added to it. The preferred way to adjust the cross weight is by moving weight around. A very soft spring would need more compression rate and less rebound rate, whereas a stiff spring would need a lot of rebound rate and much less compression rate. Most guys that are fast there are fast everywhere. Setup Changes For The Metric four-link Even if we can lower the rear RC to around 13 inches, that's still a high rear RC. Just about all the available setup options that you can adjust on a real WC car can be adjusted in the sim. Wonder how fast it would be if I changed the locations. 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. This is because of the construction using angled, from a top view, arms that converge to points called instant centers. I think with the panard bar and 3rd link the metric cars. Taipei, Taiwan. Location. Got protested and is now in limbo! We can lower the rear RC by making changes to the mounting points. Pavement Late Models Stock Cars. The sportsman car i had at SAS was always a fast car and it was coil spring 4 link no panhard bar and no weight jacks. This guide was awesome! 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. We do not want to try to solve turn entry problems with the brake bias, we only need to make sure the car stays neutral in handling when the brakes are applied. 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. Unbalanced setups exhibit easily observed characteristics, such as unusually high degree of wear and temperature on one tire versus the other tires. Required fields are marked *. Post 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. The set-up really planted the RR tire. Of the other two, camber is well-recognized, but for all intents and purposes, the least-understood . We can add the stiffer bushings to most of the points, but leave several, one at the top and one at the bottom, as a rubber bushing to absorb the torque created in roll. What do I do if the car is loose or tight throughout the corner? My name is Rodney Arndt, I have an associates degree in automotive technology. It's that time of year again when gardeners all over the world are planning what to grow in their gardens. With all the negative BS that tends to permiate these boards these days, I thought maybe we could talk about something real and constructive. Its a whole lot more driver and a whole lot less setup on dirt. However, that is only one of the three basic geometric ways to move a tire on a race vehicle. 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. 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. Quick view. Maybe if Billy would be more specific about how he made his stock setup work we could learn even more. 1 being the most important. 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. A Setup To-Do List to Get You Started . 5. It is not advantageous to have the rearend steer to the right at any time on asphalt. Adding neoprene bushings to all of the connection points will unnecessarily restrict movement and cause the chassis to be stiff in roll. 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. As the car is lowered, the rear RC will generally move down. Also pinion angle with stock bushings. These components include the radiator, oil/transmission coolers, & brakes. Has boxed lowers, adjustable uppers , stock springs and shock. After you get the cross weight where you want it, adjust the ride heights. Moderators:FeliciaMC88, UFo Race Championship. Because these cars are being used in great numbers in the Stock classes of racing here in the U.S., we need to have a better understanding of the design and how it relates to the setups. A three link with panhard bar using the stock lower mounts works fine. Oct 12, 2013 #2. Plan out changes that could help improve performance or durability. How do I adjust the cross weight in an iRacing setup? The only component were worried about is would be able to run on asphalt with the leaf spring cars. My truck has weight jacks and a stock 4 link. 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. The car is loose mid to exit with not foward drive. Play the all new "DANNY SIMKINS - 11 STRAIGHT - trivia game." 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. Antidive helps prevent sudden nose dive on entry by mechanically resisting the downward motion of the suspension using the rotational forces created through braking. That's one thing I've really never understood about some street stock classes that don't allow weight jacks. Online: $349.99. 1. Street Stock. 1980 Camaro bomber class street stock crate motor ford 9inch. If those desired angles are different, then we term the setup unbalanced. I see the times at CCMS are identical, THR the truck .5 sec quicker. For the lower links, lowering the chassis mounts at the front of the link lowers the rear RC. We showed you the 3-link rear end last week. 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. Add Comment. 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. About Us. If the car feels loose on corner entry, lower the left track bar. 3. It might help to leave it unattached on ovals. 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. Sometimes the handling of the car might not be to your liking. If we arrange our control arm angles, from a side view, for antidive, then as the car dives the upper BJ would move to the rear and the bottom BJ would move to the front. 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. It depends on your rule book and it's enforcement. When the track is cooler, you may want to loosen the car some. However, tie down shocks are becoming less and less desirable. Check your PM's. This is what I did to my Metric that won the 2012 UMP National Championship. in Exotic Race Cars on a Real RaceTrack, Copyright 2000-2023 First of all, the design is intended to solve several problems. It is this sliding scale situation that determines the stiffness of your front end. The artistry comes in when you actually do it. Each suspension system desires to do its own thing when lateral forces are introduced from the car going through the turns. Dirt Modified IMCA, Local Tracks. Before you start your season, you need to create your We run on a semi flat 1/2 mile asphalt track. The car madracing 19 has for sale has all of these things done to it. Posted October 3, 2005. I just think frames are harder to come by, so are stock blocks, so the old stock and hobby classes are a dying breed. Manyof the ideas fit into the gray areas and some of them are outright cheating. 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. I never felt good about cheating but when everyone does you need an even playing field. For me its very hard to be consistent and to adapt to the changing track states! If the same stiffly shocked corner is in rebound, less of the overall load will be retained by that corner, and its diagonal corner as well, during the rebound cycle only. I built Couchenours 99 car . 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 Grill tape is nothing more than duct tape. My old car had a stock frame front to back with just the suspension pick-up points changed, it took a lot of trial and error over three years to get a good baseline for most tracks. 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. so I ran a .185 valving. Location:Austin, Tx. 4. We had LF 1000, RF1300, LR 200, RR200. the radiator. men need when considering these types of changes. Maybe not on little tires either. To sort of act as a pull bar? That troubles me. That is the essence of shock technology related to handling influences. Thank you for pointing out the obvious to me . That's just a thought, i don't know that for sure. The surest way to get disqualified is to bolt an illegal part onto your car. 1 Min Read. That energy has to go somewhere, (1st & 2nd law of thermodynamics) so it can either go into tires causing them to heat up lose grip and wear faster, or you can try to take up some of that heat up into the brakes where it will be dissipated on exit and down the straight. For warmer track temperatures, you are going to need to tighten the car. Love it when people explain why somethings done rather than just saying this is how its done., Thank you Jeff! 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. There are ways to do that without changing the handling at other points around the racetrack. Adjust the cross weight for more extreme conditions or different circumstances. lowers are stock location on frame. View all S3SS. The steering system in your car must be evaluated and any negative characteristics must be eliminated. Told me he might be going to Lebanon to run now. the force of air. Each setup has a life cycle or a time frame in which it will work before we run into a stopping point with it. Forum Actions: Forum Statistics: Threads: 1; 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. Wheel Accessories. Send your request to bob.bolles@sorc.com. Take a look at a metric street stock rear suspension video. Prices listed are with a frame swap option. Most Metric cars I've evaluated have rear RC's up around 14.5 inches off the ground. I think everyone agrees that the old leaf spring cars (Camaros and Novas) are becoming harder and harder to find. Welcome to STLRacing.com, home of St. Louis Motor Racing News. Drag the brake lightly as you enter the corner. 122. Here are what we consider to be the 10 most important areas of chassis setup with No. the metric cars at THR are at a big disadvantage in terms of track width, ride height, and rear suspension but if they were to be able to use a third link and panhard bar they can be very competitive even without weight jacks. 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. So, we must make due and set up these cars the best we can. The effect is huge. Customer is to bring a clean non-sandblasted frame when picking up the chassis. 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. I'd think that without them you'd at the very least need to allow some sort of spring adjuster. The dynamics of the moment center and the effects of camber change have been explained before. Did you see anything interesting? The overall work that a shock does is to resist the rebounding of the springs and control the speed of compression. There are some different lower a-arms and front suspension things to make them even better. This was taken at Butler Speedway in Michigan. Greetings guys, Im new to the site. I feel the metrics should definitely be allowed panhard bars and rear weight jacks. How to Raise Cross Weight in iRacing Setup. Some of the names, most notably in the asphalt Street Stock springs, are different, but the process is the same. Copper has been known to kill tomato plants if placed directly into the stem or base, but placing copper wire around the wound may not have the same effect. Strictly asphalt street stocks and parts. Download the Jet Mod Scale & Setup Sheet Here! These cars just take a little longer to get them set-up compared to the camaros, but there are alot more adjustment points to help you get and stay fast. S3 - Street Stock - USA $4.00; S3 - Street Stock - Lanier $4.00; S3 - Street Stock . To add weight to a given corner, raise the ride height at that corner or lower the ride height at an adjacent corner. We must develop ways to create more rear traction on acceleration only. Street stock, pure stock, sportsman, factory stock. Roll Center or Moment Center. This means keep track of weight coming off and going on. Full of fuel, everything done, full of oil, lead bolted down. . Use the "new" 7 inch arm on the RH and the 8.5 on the LH. Bilstein has put together the ultimate Street Stock / Factory Stock Shock Package. Great advice! After the race I had people come to our pit area and ask how did you get a metric car to lift the left front off the ground?" I can agree to use a LR instead RR. Conclusion The Metric four-link rear suspension is here to stay for a while. We have continually pressed these issues because of the extreme importance they have. Still having problems? They should be matched up within a couple of degrees of average temperature across the tread. 6 pt roll cage setup for easy in and out street use. 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. Nick and I agree on something! 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. X-Y-G METRIC STREET STOCK / SPORTSMAN HEADQUARTERs 704-784-5353. Chassis. 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. So, there is a limit to how much you can get away with and still have a decent corner entry. . 35809 FABRICATED IMPALA FRAME. 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. jp. Remember, we're still using stock components, we're just making small relocations of those points. I don't get too many reports of continual, repeated wins and successes. Balance is spoken of in all types of motorsports these days, even F1. Add to Cart. I would get the metric arms from Speedway P-N 910-31134-RH (LH) they are 8.0 and 8.5 long. Shocks Chassis Setup Docs Hyper Racing. Re: street stock set up. With allot of experimenting I found a way to really get the car to hook up. How to Open the Setups. Motorcycle. Understanding the relationship between the rear roll center on these cars and the setup will help us find a more balanced setup. Pavement Modifieds. Get the best deals on Asphalt Oval Racing Parts when you shop the largest online selection at eBay.com. Wheel Covers. This configuration is common in General Motors cars built in and around . Your statement that the 3-link is what the metrics needed to level the playing field is the type of feedback that tech. 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. Hey I am looking for some guidance setting up my 4 link GM metric rear end. Brian Wise. As for stock arms they worked just fine ,and didn't cost anything. It just won't work. RAceman. When you enter the corner you are going to slow down. How do I tighten or loosen the car on exit? Would it be too much of an advantage to let these guys run a 3-link rear with solid links and panhard bar? SAS I seem to remember being faster than the sportsmans. Divide that in half for the center of the wheel.