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. The steering system in your car must be evaluated and any negative characteristics must be eliminated. 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. competition. Trends are a part of this learning curve and greatly influence some, but not all racers. There is one IC for the upper links and one for the lower links. After payment you will be directed to a download page. ; this was with all four stock trailing arms. It's on a car that I'm helping with. The pad is best used on IMCA style modifieds, the fronts of "Outlaw" style modifieds, drag racing . 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. If we can lower the Metric RC to 13 inches, we would increase the moment arm length in the rear to 4.5 inches and that's a huge improvement in compliance. 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. First, we don't want to restrict the movement of the arms too much. 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. How to Lower the Cross Weight in an iRacing Setup. By Modified Cars for Sale IMCA Asphalt modified Setup Asphalt Modified Race Cars Asphalt Street Stock Setup Asphalt modified for Sale Asphalt modified Set Up The ULTIMATE Racing Car Chassis Setup Guide and Page 1 of 1. "ULTIMATE" Racing Car Chassis Setup Guide and Tutorial. If the car feels tight on corner entry, raise the left track bar. How to Open the Setups. 4. We run on a semi flat 1/2 mile asphalt track. Am I correct that you would reattach the sway bar after making the perch adjustments? This is very "old school" but when applied with a balanced setup, very effective. Long exposure, Nikon D810. A tight condition is the number one complaint from drivers. The Antis Over the years I have had lots of feedback that most these concepts and ideas work great on dirt, on front wheel drive mini stocks, on almost any street stock, production typerace car. LIT-A950700016 80275NDP Ford Mustang Cobra HE. Adjust drag link accordingly, *unless something is bent, spindles, drag link, idler arms, etc. Add to Cart. 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. Front End Geometry 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. This develops more crossweight as the car squats on acceleration. We even did pretty good with it in the THR LLM class back in `99. Remember that drag is an important aspect of aero design. Street Stocks Dur-A-Flex Racing. Be careful not to overdue that. From NE Ohio to North Central Mississippi, everyone has their own ideas and preferences for what they will plant this year. there are a lot of knowledgeable guys there. Smaller gains can come later on after the more important aspects of setup are resolved. In situations where the exit portion of the track provides less traction and/or the corner is more flat, we might need to develop more rear traction upon acceleration. I talk to lots of racers representing every form of circle track racing in every region of the country and beyond. If he was at the track and saw the car run he would know that it worked ( by the way it also worked at Eriez ). I guess the leaf cars could be allowed adjustable shackles in the rear to even that one out, sort-of. 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 . Caster. I would run either the pure stock or street stock class. For the lower links, lowering the chassis mounts at the front of the link lowers the rear RC. Once the setup has been balanced and the shocks are decided upon, we need to evaluate the turn-entry characteristics and the fact that brake bias is a very important influence at this segment of the track. Samuel232. It has been found that the misalignment of your tires/wheels presents serious drawbacks to a finely tuned chassis and setup. This 7 shock kit includes shocks for every track condition with tips to help fine tune your racecar. 9. As the rear end rotates on acceleration, the left wheel moves rearward more so than the right wheel, creating a slight amount of rear steer to the left. 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. Circle Track Wheels. 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. 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. 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/. We always start with the front end geometry on any race car. I would suggest going to www,4m.net to the tech board. FOR 78-88 GM METRIC CARS. Port City Racecars Road Race Chassis is a purpose-built racing machine. Bilstein has put together the ultimate Street Stock / Factory Stock Shock Package. I also was involved with beta testing for NASCAR Racing Simulation Games. That's one thing I've really never understood about some street stock classes that don't allow weight jacks. Thank You, DreamRacing.com offers a chance to go racing LIT-721 80293NDP 2009-2015 Cadillac CTS-V HE. Mod Four Tech. We also discuss where we want the roll cente. 1 Min Read. See auction date, current bid, equipment specs, and seller information for each lot. Ive made the brackets on the rear housing (lowers) longer with trailing arm mounts that have 3 . Pavement Modifieds. Check your PM's. Unbalanced setups exhibit easily observed characteristics, such as unusually high degree of wear and temperature on one tire versus the other tires. After you get the cross weight where you want it, adjust the ride heights. When this book was originally published in 2001 it was specifically for GM Metric chassis (78 or newer Malibu, Monte Carlo, Regal and Cutlass cars) racing on asphalt. Alignment issues are defined as: A. rearend alignment, B. contact patch alignment, C. driveshaft to pinion/transmission alignment, and D. engine alignment. 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. Long gone are the days of saying that the MC is not important. So, in most cases, we need to run a softer spring in the right rear. However, they should be required to run he two stock lower rear trailing arms in their stock locations. 6 pt roll cage setup for easy in and out street use. We ran the stock lowers but boxed them and put in better bushings if I recall correctly. The less angle the better. Its not necessary unless your own a road course. 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. If your vehicle of choice utilizes a McPherson strut style front suspension, then your 2 pivot points would be . If you could slide the MC to the right, or outside of the turn for you road racers, the front end will get stiffer. We took all the cross out like Lee and trailed the RR and did not use much stagger. Contact Us. We had no idea how popular and successful this line of chassis would be. Adjust the cross weight for more extreme conditions or different circumstances. AFCO C2 METRIC PADS $179.99. Caster is best described as a vertical line that runs through the 2 pivot points in your car or trucks suspension. Lift earlier, and/or drag the brake just a little bit on entry. 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. We also discuss how to identify the cause and the best treatments for each type of pest. First of all, the design is intended to solve several problems. What I hear I feel is representative, although those who dive head first into the BBSS mix not because of a perceived and measured expectation of success but because of the "see monkey, do monkey" attitude, will never share what they are doing. And, of course, Terry chose to park it. How do I tighten or loosen the car on exit? On the a street stock what size spring would be better to run on the rear. CRA street stock. Everything you need to know to build, set-up and race a Street Stock competitively. Nick and I agree on something! 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. 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. $137.99. This will loosen the car, and that's undesirable, especially on dirt. 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. So, there is a limit to how much you can get away with and still have a decent corner entry. But if you cant 11 inchers is all you can go. Yes, I get inquiries about how to apply the BBSS setups to both of these types of cars. Over the years, most of the things that I have learned about racing, I've learned the hard way. 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. Disconnect the sway bar and zero (unload) it. Furthermore, there is evidence that suggests that plants grown in cement blocks do not suffer from BER (blossom-end rot), which c, Protect Your Garden Against Leaf Issues with Organic Solutions and Preventative Practices, Leaf issues in the garden can be caused by a variety of factors, from pests to environmental conditions. 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. would be able to run on asphalt with the leaf spring cars. #1. Steering Geometry In the end there is a ton of stuff out there, everyone seems to have something that works. What do you think Nick? You need to keep the ride heights as close as possible to where they were before you started. We have been softening those setups over the years, but never intended to go to coil bind or bump rubbers. Moderators:FeliciaMC88, UFo Race Championship. Shocks Cra bomber, turbo ,etc. Get the best deals on Asphalt Oval Racing Parts when you shop the largest online selection at eBay.com. Contact Us. 70030. The Metric four-link suspension design is a bit different than most other rear suspensions. X-Y-G METRIC STREET STOCK / SPORTSMAN HEADQUARTERs 704-784-5353. The settings, including the moment center location, really do dictate how all of the other parts and pieces of setup will work. This is because of the construction using angled, from a top view, arms that converge to points called instant centers. With several wins and a championship under our belt after the first year . Aug 24th 2005. In order to slow you must lose (kinetic) energy. The bottom line is that at mid-turn, each end will want to roll to its own degree of angle. In short, you'll get more rear grip by lowering the rear RC. Plan out changes that could help improve performance or durability. For me its very hard to be consistent and to adapt to the changing track states! Those cars are coming around becoming competitive. 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. 2,224. These pads are use on dirt for medium and heavy braking, and asphalt for sportsman and Hobby Stock cars. 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. If you use no brakes you can wear the right front. By Bob Bolles, Circle Track Magazine . Click. If the car feels loose on corner entry, lower the left track bar. how to adjust iRacing Sprint Car cross weight, go here. RacelineCentral.com All Rights Reserved, NASCAR 2K3 Racing Season Garage 101 Guide Download, Creative Commons Attribution-Noncommercial-No Derivative Works 2.5. There are a lot of things you can do to improve handling. 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. 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. For many gardeners, it starts with tomatoes. Setup Tools. Full of fuel, everything done, full of oil, lead bolted down. 5. Would it be too much of an advantage to let these guys run a 3-link rear with solid links and panhard bar? Maybe if Billy would be more specific about how he made his stock setup work we could learn even more. Dirt Modified IMCA, Local Tracks. SR10 Dirt Oval RTR. Metrics can be competitive IF they are permitted to address their four-point rear suspension problems. JavaScript is disabled. 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. Understanding the relationship between the rear roll center on these cars and the setup will help us find a more balanced setup. The car madracing 19 has for sale has all of these things done to it. Bush i agree with your Eriez/ 7 comment. The components that locate the rear end must be evaluated and set correctly. The effect is huge. The rear won't desire much roll and there will be excess load transfer to the outer wheel and tire. Special Discount Cost- $24.95 !To download a copy of the E-book, simplyclick on the link below. Motorcycle. The track was a 5/8 mile asphalt and was extremely fast. Basically - after you finish the set up routine, the car goes in the hauler. About Us. Less fuel equals faster speeds. Balance is spoken of in all types of motorsports these days, even F1. Prices listed are with a frame swap option. I would trail brake or lift earlier. I just think frames are harder to come by, so are stock blocks, so the old stock and hobby classes are a dying breed. Last couple of years I ran the car we just used tubular ones with rod ends because it was legal and easier. the radiator. Play the all new "DANNY SIMKINS - 11 STRAIGHT - trivia game." The amount of difference you need is directly influenced by the installed motion ratio of the spring and the spring rate. Bite Off The Corners Load the setup in the iRacing simulation under Garage - My Setups. //-->. 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. The moment arm is 5.5 inches for the Late Model and is much easier to set up. One guy said it come up off the ground two feet. This means keep track of weight coming off and going on. 2.Now set toe out. Welcome to STLRacing.com, home of St. Louis Motor Racing News. As each season comes along, our knowledge of what we need and desire grows. In the last article, I talked about the uses of toe and how it affects both drivability and front-end dynamics. Some of the names, most notably in the asphalt Street Stock springs, are different, but the process is the same. Note the new cross weight and the ride heights. Each suspension system desires to do its own thing when lateral forces are introduced from the car going through the turns. SUCH AS SPRINGS, SHOCKS, SWAYBARS ETC. Chassis. Check with the rules to see if it's even mentioned. Download the Jet Mod Scale & Setup Sheet Here! 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. . As you will gather from this book, setting up your car right and properly maintaining it is a lot of work. Street Stock; Other; Best Selling. 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. Antidive and antisquat are mechanical influences that can help our transitional phases of entry and exit. Anderson , IN. I think everyone agrees that the old leaf spring cars (Camaros and Novas) are becoming harder and harder to find. RAceman. Camber was -2 deg on RH and +2 deg on LH at ride height. When the track is cooler, you may want to loosen the car some. Pure Stock Tech. LOL. Setup Balance The MC should always be somewhere close to the centerline (i.e., midway between the tire contact patches). I don't really encourage that method. You need to locate the moment correctly, and the cambers . When we recently set up our Project Modified for our first race, we followed a simple list of to-do items that are the same for every race car I ever set up. Go here but read before you post..lol. As these pads get hot, they offer more friction, and still work well at over 1000 degrees. I would like know what the ic would be on a g body with a 9 inch in the rear with stock suspension. These are the general rules unless you are trying to "tie down" a corner. Please Login or Register 03/04/23 at 12:37am, what front springs to start with and whats a good baseline for wieghts the minum is 3100 what do i need for leftside,rear,and cross. 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. Dial In Your Metric. Its important to make even adjustments, meaning you should make the same number of clicks on each spring perch. 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. It is this sliding scale situation that determines the stiffness of your front end. Do not seek aero downforce at the expense of aero drag increase. Other competitors will offer you tips, but what works on their car may not work on yours and often they cant explain why something works for them, it just does. Send your request to bob.bolles@sorc.com. I drive both a metric (my truck) and a leaf spring car (ss). Fast And Furious. The rear roll center is certainly part of the problem. Johnny likes a softer feeling car, front and back. 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. I feel the metrics should definitely be allowed panhard bars and rear weight jacks. Free . The front geometry on a metric car isnt as good as a Camaro though. Order Wilwood part number 150-9442K. Bump Springs Tech. 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. This force is resisted by the ball joints and control amrs. But just wondering what the heck guys are doing to these metric street stocks to make em so fast. Thanks a lot for making it. 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. 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. Customer is to bring a clean non-sandblasted frame when picking up the chassis. Antisquat is detrimental to corner entry. Ackermann is easily checked by using a laser system or strings. We are at a crossroads at this point in time with setup technology in asphalt racing. We were allowed weight jacks and after market uppers in front also. I have had a lot of feedback from teams who did the same with the same results. I ran a street stock/sportsman from 1995 to 2000 with a metric frame. 10702FMI FRAME & CAGE - FAB IMPALA MOD. I see the times at CCMS are identical, THR the truck .5 sec quicker. Over the years I have had lots of feedback that most . Street Stock Dirt Oval Racing - All the dirt, clay and pavement-racing excitement in a 1:10 scale RTR. This guide is very similar to the NASCAR Racing setup guide. Thank you, that forum is a wealth of information. My name is Rodney Arndt, I have an associates degree in automotive technology. Home. Just about all the available setup options that you can adjust on a real WC car can be adjusted in the sim. Street Stock Setups. Now you have to compensate with spring change. state doesn't have. 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. Roughly 8-10 degrees of third link angle is sufficient to promote antisquat and not hurt your corner entry. 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. The proper steps to do this are outlined below. We also might want to change the locations of the chassis and/or rearend mounts for the links. 5. ford 9' rear end w/disc brakes, stocks, springs, gauges just add motor and transmission and go racing. Here are what we consider to be the 10 most important areas of chassis setup with No. . Stretch Film Division. We got away from running thatmuch cross as the car was pushy. Filter by. 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 . Also the rear springs on that car Dave 24, are either Landrum 200-175 or Afco 194-166can't remember, Only if you are racing anywhere except Bonneville.lol Chad. 1. Yeah! Also pinion angle with stock bushings. Eliminate most of your bumpsteer and Ackermann and install the correct steering ratio for your track that would suite the driver. March 27, 2015. Street Stock Tech. 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. 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. If you want to know how to adjust iRacing Sprint Car cross weight, go here. Unfortunately, most rule books that I have dealt with are very vague. 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. Most good cars are built on wheel scales. There are two main ways to tighten or loosen the car. Numerous car builders have come to realize the truth in the above statements. Wheel Accessories. Whats the dominant front clip, and what are they doing with these metric rear setups? 3. Conversely, if the car feels tight throughout the corner, raise both track bars. We can lower the rear RC by making changes to the mounting points. Try to at least get to 53% front and 53% left weight with out adding ballast behind the rear wheels. Oct 12, 2013 #2. If we can raise the upper front link mounts, we can lower the rear RC by lowering the upper IC. Quote. If this component on your car is not right, then the whole car will suffer, no matter what else you do. We had LF 1000, RF1300. The metric cars at THR may be as competitive as the camaros but at CC they were not even close untill we were allowed to change to 3 link and a panhard bar. Most guys that are fast there are fast everywhere. I have little experience on dirt but can definetely notice this! . I think that since SAS is more of a momentum track and the metric cars may not have such a disadvantage. 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. 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. Required fields are marked *. ! 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. We make it with either steel panels, or aluminium panels. Create New Wish List . 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. It may not display this or other websites correctly. How do I adjust the cross weight in an iRacing setup? If the LR tire is too cool, then the RR spring is too stiff. Ill also answer a couple of common questions: These changes are applicable to all asphalt oval cars. More has to be done to help the rear roll to match the front. Ive read alot of stuff, some of it usefull some of it crazy. JP is that the car you wadded up and broke your leg? Lee Christjohn of Antigo, WI knows what it takes to win street stock races. Taipei, Taiwan. Wheels. Has boxed lowers, adjustable uppers , stock springs and shock. The rearend needs to be aligned at 90 degrees to the centerline of the chassis and/or to a line through the center of the right-side tire contact patches. Adjust the cross weight for more extreme conditions or different circumstances. However, that is only one of the three basic geometric ways to move a tire on a race vehicle. We even did pretty good with it in the THR LLM class back in `99. Current Stock: Quantity: Decrease Quantity: Increase Quantity: Save to Wishlist. 10702FMC FRAME & CAGE - FAB CHEVELLE MOD. Not sure if there is a standard for metric cars but I havent found any specs on it. Dec 24, 2005 at 5:33am. I think I'll make a proposal along these lines. The upper IC is to the rear of the rearend and the IC for the lower links is well in front of the rearend. How do I tighten or loosen the car on entry? Letting the metric cars run Camaro spindles would be a step in the right direction. This is our 1988 Monte Carlo Stock Appearing Body. But there is still some changes to be made from track to track. It is not advantageous to have the rearend steer to the right at any time on asphalt. Since mustangs have a similar rear suspension would these same mods work? I would rather race 100% legal with a rule book that is written 100% clear and specific, that is enforced as it is written. Wheels. Then should I use brakes more? 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. Subtle changes often go unnoticed, especially when they're hard to see without jacking the car up and crawling underneath. Circle Track Setup: The Case for Caster. In the same manner, we can lower the rear mount of the upper link and lower the upper IC. I would say 99's priorities worked just fine. Might go25- 50 pds more on each side and the left side should be more than the right side.
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