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I understand not wanting to share to much especially if your a racer, but who or where else can I gain info on this? One way is to have a rear spring split, where the right rear (RR) spring has less spring rate than the LR spring. RacelineCentral.com All Rights Reserved, NASCAR 2K3 Racing Season Garage 101 Guide Download, Creative Commons Attribution-Noncommercial-No Derivative Works 2.5. Asphalt circle track metric GM 4-link questions - Speed-Talk.com The track was a 5/8 mile asphalt and was extremely fast. Most guys that are fast there are fast everywhere. It was either cheat or park it until the rules change. ANYBODY KNOW OF ANY STREET STOCK RACING CHEATS/TIPS. . Just trying to help someone. Refer to the images below. Sliding the MC left and to the inside of the turn makes the suspension softer. We had no idea how popular and successful this line of chassis would be. This develops more crossweight as the car squats on acceleration. We always start with the front end geometry on any race car. Try to at least get to 53% front and 53% left weight with out adding ballast behind the rear wheels. And, some aspects of chassis setup build on other aspects. 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. Now you have to compensate with spring change. 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. Most of the ideas in this book are perfectly legal for any rule book. LIT-721 80293NDP 2009-2015 Cadillac CTS-V HE. 7. 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. Bolt on Torque Link Bracket - Afco - Pair I ran a metric street stock at HMP for a number of years and was definitely not at a disadvantage. 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. Most often, these pivot points are the upper and lower ball joints in your double A-arm style suspension system. ford 9' rear end w/disc brakes, stocks, springs, gauges just add motor and transmission and go racing. Thank you, that forum is a wealth of information. The surest way to get disqualified is to bolt an illegal part onto your car. PREMIER. Customer is to bring a clean non-sandblasted frame when picking up the chassis. We also discuss where we want the roll cente. Samuel232. Basically, if the suspension mounting points must remain stock, the leaf spring cars will dominate (at least on ashpalt.). Thank you for pointing out the obvious to me . SAS I seem to remember being faster than the sportsmans. 35809 FABRICATED IMPALA FRAME. . The driveshaft alignment is critical from the standpoint of mechanical efficiency. Thanks a lot for making it. 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 were allowed weight jacks and after market uppers in front also. "One bad person can ruin it for everyone and that is just disrespectful", The Welcome to STLRacing.com, home of St. Louis Motor Racing News. The set-up really planted the RR tire. Modified Chassis - Howe Racing Enterprises, Inc Mod Four Tech. 1 being the most important. 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. And your choice of aluminum or steel fenders doors and quarters. Send your request to bob.bolles@sorc.com. 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). Basically - after you finish the set up routine, the car goes in the hauler. The very last thing you need to worry about is your aero package. 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. LIT-719 80292 C7 Corvette Radiator. Bush i agree with your Eriez/ 7 comment. 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. I got a 1000 on ebay 150897831883 at like $5.00 I would do 1100 RF, 1000 LF, 225 LR and, 175 RR but that was on big chevelle or impala chassis. Whats the dominant front clip, and what are they doing with these metric rear setups? Often overlooked in the mainstream, dirt track racing is one of the most exciting forms of tire-scorching car racing action. How do I tighten or loosen the car on entry? Cars that don't turn well are very likely to have poor MC designs. 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. Conversely, if the car feels tight throughout the corner, raise both track bars. My truck has weight jacks and a stock 4 link. the force of air. Roll Center(movement center) circle track 1981 Camaro help 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. There is one IC for the upper links and one for the lower links. Adjust the cross weight for more extreme conditions or different circumstances. These are the general rules unless you are trying to "tie down" a corner. Get Ready for a New Season of Gardening -Choose from Tomatoes, Peaches, Corn, Zinnias & More! Thanks g dirt i will try that.im not totaly done with car yet just try to get ideas thanks, you are real close to what guys are running, but g is right, scale the car, i run leaf springs or i would tell you what i was running. Metric Chassis Roll Centers - Lone Star Speedzone Forums This was taken at Butler Speedway in Michigan. 2,224. 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. I ran a metric street stock at HMP for a number of years and was definitely not at a disadvantage. 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. However, that is only one of the three basic geometric ways to move a tire on a race vehicle. When the LF is too cold, the RR spring is too soft. $1,700. racing on asphalt. Racing Aspirations refers to this point as the roll center (RC), but it can also referred to as the moment center. Load the setup in the iRacing simulation under Garage - My Setups. 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. The steering system in your car must be evaluated and any negative characteristics must be eliminated. Alignment It just won't work. Street Stock Setups - Custom iRacing Setups and Paints for dirt oval and asphalt oval cars. Pure Stock Tech. The influence of the location of the front MC can be compared to a sliding scale. Unfortunately, most rule books that I have dealt with are very vague. 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. Aug 24th 2005. This is very "old school" but when applied with a balanced setup, very effective. .220 to .235 would be fine without a quickner. Going way back I remember running a early 70's Nova in the street stock division at the old Nazareth 1/2 mile dirt track in the early 80's. Damn, they were some wild nights up there. By How about just adding a panhard bar to the stock four-link setup? 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. Victory Circle - West Coast asphalt and dirt chassis design and Unbalanced setups exhibit easily observed characteristics, such as unusually high degree of wear and temperature on one tire versus the other tires. In the same manner, we can lower the rear mount of the upper link and lower the upper IC. 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. 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. Chassis. This is our 1988 Monte Carlo Stock Appearing Body. These cars were meant to ride down the road nice not be fast on dirt, so you have to redo all of the mounts, change the length of the trailing arms, use hiems and/or rubber bushings or even spring loaded trailing arms to build traction. 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. The fruits of this plant are large and can weigh over one pound. The "ULTIMATE" Racing Car Chassis Setup Guide and Tutorial Adjust drag link accordingly, *unless something is bent, spindles, drag link, idler arms, etc. Wonder how fast it would be if I changed the locations. How do I adjust the cross weight in an iRacing setup? Its important to make even adjustments, meaning you should make the same number of clicks on each spring perch. Street Stock Racing Cars for Sale | RacingJunk The rear roll center is certainly part of the problem. Asphalt Street Stocks & Parts Only - Facebook We have continually pressed these issues because of the extreme importance they have. No matter which stiffness you decide to go with, the most important aspect of setup is balance, and you achieve that balance with the correct combination of springs, moment centers, sway bars, and load distribution. Sometimes the handling of the car might not be to your liking. 10702FMI FRAME & CAGE - FAB IMPALA MOD. The RC height will move with vertical movement of the rear of the car. Victory Circle - West Coast asphalt and dirt chassis design and We had LF 1000, RF1300. One guy said it come up off the ground two feet. 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. The Metric four-link suspension design is a bit different than most other rear suspensions. The moment arm is 5.5 inches for the Late Model and is much easier to set up. Location:Austin, Tx. Drag the brake lightly as you enter the corner. I also was involved with beta testing for NASCAR Racing Simulation Games. Street Stock Dirt Oval Racing - All the dirt, clay and pavement-racing excitement in a 1:10 scale RTR. I used 13" springs with buckets welded in the frame on the rear.Car will be to high without buckets trying to use 13" springs.We used straight 6 valve shocks on the front and straight 5 valve shocks on the rear.Don't mess with split valve shocks if you are a beginner.this spring setup . Lowering the rear RC and softening the RR spring will help solve the problem. jp. men need when considering these types of changes. 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 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. Wheels. . 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 those desired angles are different, then we term the setup unbalanced. Online: $349.99. I was wondering if anyone out there had any experience circle track racing a mopar unibody. View all S3SS. We showed you the 3-link rear end last week. jp. 8. All this really depends mostly on the track and maybe the car youre driving. Circle Track Setup: The Case for Caster - iRacing.com 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. 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. This would mean we could align the driveshaft from a side view inline with the tranny shaft and the pinion shaft with no angular deflection. Chassis Setup Docs Hyper Racing. Note the new cross weight and the ride heights. This setup guide also has new information based on the changes that go along with the new version of the sim. 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 . The more third link angle you have, the more antisquat there is. The less angle the better. Taipei City Stock Photos, Pictures & Royalty-Free Images - iStock Get the best deals on Asphalt Oval Racing Parts when you shop the largest online selection at eBay.com. Asphalt_Gundam - G body that turns - Grassroots Motorsports Roughly 8-10 degrees of third link angle is sufficient to promote antisquat and not hurt your corner entry. 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. It's that time of year again when gardeners all over the world are planning what to grow in their gardens. This means keep track of weight coming off and going on. Car has stock location rear links and stock links , different bushings . Did you see anything interesting? What Are Russet Mites? Leaf springs are important when towing heavy objects.Bear with me here, this digs a little deeper into how leaf spring suspensions work. I better get the torch and welder dusted off! Verndale, MN. 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. AFCO C1 METRIC PADS. 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. Home. Over the years I have had lots of feedback that most . 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. 10. We can lower the rear RC by making changes to the mounting points. I guess the leaf cars could be allowed adjustable shackles in the rear to even that one out, sort-of. Get any of Steve Smiths street stock books for general knowledge in the essentials of cam/cas, toe out , roll center etc. Car went anywhere he wanted and was quick time, won the trophy dash, heat race and main. 122. Just about all the available setup options that you can adjust on a real WC car can be adjusted in the sim. Setup & Tech Info - Jet Racing Inc AFCO C2 METRIC PADS $179.99. 321. This guide is very similar to the NASCAR Racing setup guide. Numerous car builders have come to realize the truth in the above statements. 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/. Triangulated 4-Links: Make Your Stock Suspension Car Work On a metric four-link car, the four control arms determine the rear moment center height too. would be able to run on asphalt with the leaf spring cars. Asphalt Chassis Setup - Prepare Your Race Car For The New Season Stretch Film Division. Add to Cart. 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. We got away from running thatmuch cross as the car was pushy. This is because of the construction using angled, from a top view, arms that converge to points called instant centers. Click. On a metric four-link car, the four control arms determine the rear moment center height too. Everything you need to know to build, set-up and race a Street Stock competitively. Its not necessary unless your own a road course. I'll start out with what seems like the obvious to me - the rear suspension. If the car feels loose throughout the corner, lower both track bars evenly. Setup Balance This 7 shock kit includes shocks for every track condition with tips to help fine tune your racecar. I think everyone agrees that the old leaf spring cars (Camaros and Novas) are becoming harder and harder to find. From NE Ohio to North Central Mississippi, everyone has their own ideas and preferences for what they will plant this year. If the car feels loose throughout the corner, lower both track bars evenly. var email = "RacelineCentral" how to adjust iRacing Sprint Car cross weight, go here. Street Stock Setup Manual Chassis Tuning 101 Murfdogg. That's one thing I've really never understood about some street stock classes that don't allow weight jacks. 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. Aero Package Race car suspension Class | Page 47 | Physics Forums 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. Thank You, DreamRacing.com offers a chance to go racing Remember, we're still using stock components, we're just making small relocations of those points. 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. That is the essence of shock technology related to handling influences. My name is Rodney Arndt, I have an associates degree in automotive technology. 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. PDF Harris Auto Racing - Race Cars with Attitude set the tone for how the parts and setup will work. Circle Track Setup: The Case for Caster. 5. 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. Each suspension system desires to do its own thing when lateral forces are introduced from the car going through the turns. On the a street stock what size spring would be better to run on the rear. It is not advantageous to have the rearend steer to the right at any time on asphalt. Anderson , IN. More has to be done to help the rear roll to match the front. Here are what we consider to be the 10 most important areas of chassis setup with No. -3 . 03 0@ 34-.=- 2 ++(+'o $ (&%q qqqqqqqqqqqqqqqqqqqq ,&%q qqqqqqqqqqqqqqqqqqq qq (,%q qqqqqqqqqqqqqqqqqqqq ,,%q qqqqqqqqqqqqqqqqqqq qq Polyethylene Film / PE Sheet Stock cars using the metric-style four-link rear suspension usually need to do this just to achieve a balanced setup with the high rear moment centers in those cars. Contact Us. . Street Stocks Dur-A-Flex Racing. 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. Grill tape is nothing more than duct tape. And, it must be economically applied. The pad is best used on IMCA style modifieds, the fronts of "Outlaw" style modifieds, drag racing . Yea how many years ago a1? Keep It Fast and Cheap. Quote. Administrator. Posted August 22, 2005. Adjust all four spring perch offsets to change the cross weight. I'm thinking about building a B Body for dirt track racing. 2.Now set toe out. Nick and I agree on something! That extra effort is what separates the front runners from the rest of the field. Over the years, most of the things that I have learned about racing, I've learned the hard way. Current Stock: Quantity: Decrease Quantity: Increase Quantity: Save to Wishlist. I'd think that without them you'd at the very least need to allow some sort of spring adjuster. Manyof the ideas fit into the gray areas and some of them are outright cheating. What do I do if the car is loose or tight throughout the corner? First of all, the design is intended to solve several problems. March 27, 2015. It may take a few test sessions to help you determine your balance, but if you observe the indicators correctly, then tuning the car for dynamic balance can be done. The number one reason a car will be tight and not want to turn is because the front end is not designed properly. For a better experience, please enable JavaScript in your browser before proceeding. Additionally, modern pennies are only 2.5% copper, so older pennies should be used instead for better results. The Metric four-link suspension design is a bit different than most other rear suspensions. taipei city stock pictures, royalty-free photos & images by rick7343 Fri May 01, 2015 5:14 pm, Post 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. It depends on your rule book and it's enforcement. Would a 11 in be better or a 13 in spring in back be better. But just wondering what the heck guys are doing to these metric street stocks to make em so fast. 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. 5. You refering to dirt track racing correct? 1 Min Read. Thats the theory and the science anyway. I see the times at CCMS are identical, THR the truck .5 sec quicker. 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. Am I correct that you would reattach the sway bar after making the perch adjustments? Only at teamsimkins.com. The right-side tire contact patches will also need to be inline with the right front tire pointed straight ahead. 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. Every year, Jack asks drivers for input regarding rules changes for the following year. Dirt Race Life is explaining how to draw out the front end on a race car and determine where the roll center is. Alignment issues are defined as: A. rearend alignment, B. contact patch alignment, C. driveshaft to pinion/transmission alignment, and D. engine alignment. You need to locate the moment correctly, and the cambers . That is the best description of the result of the dynamic force that influences each system. 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. Bilstein has put together the ultimate Street Stock / Factory Stock Shock Package. Do not attempt to open the setup file in Windows. If the car feels loose on corner entry, lower the left track bar. 358101 FAB . Try one or two click on each spring perch shown above to raise the cross weight. 10702FMC FRAME & CAGE - FAB CHEVELLE MOD. The upper IC is to the rear of the rearend and the IC for the lower links is well in front of the rearend. 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. Posts: 72. PDF By Bob Bolles, Circle Track Magazine - Longacre Racing Tech Central - AFCO - Racing Some people add preload to the sway bar to make cross weight adjustments. The metric cars can use different size spring spacers as well, so the playing field is already level in that respect. If your vehicle of choice utilizes a McPherson strut style front suspension, then your 2 pivot points would be . For many gardeners, it starts with tomatoes.