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. Love it when people explain why somethings done rather than just saying this is how its done., Thank you Jeff! Both of these are necessary components that will be needed to win championships. That troubles me. Some of the names, most notably in the asphalt Street Stock springs, are different, but the process is the same. The driveshaft doesn't know which view these angles are resulting from, just that they are equal and opposite. 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. . I once drove a metric on both dirt and asphalt. Circle Track Wheels. Probably to the guys that are beating you! What do you think Nick? The number one reason a car will be tight and not want to turn is because the front end is not designed properly. Special Discount Cost- $24.95 !To download a copy of the E-book, simplyclick on the link below. If you use no brakes you can wear the right front. At some point, we take in enough information to allow us to avoid the mistakes of the past and get ahead of the curve in setting up our asphalt cars. Over the years, most of the things that I have learned about racing, I've learned the hard way. These are the general rules unless you are trying to "tie down" a corner. Welcome to STLRacing.com, home of St. Louis Motor Racing News. 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 Why Lower The Rear RC? Cars that don't turn well are very likely to have poor MC designs. Letting the metric cars run Camaro spindles would be a step in the right direction. Cvracer5. You can try bigger adjustments if you cant tell much difference in the handling after you make smaller adjustments. 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. Long exposure, Nikon D810. 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 . 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. This will help keep your ride heights in the ballpark. They should also be able to run any panhard bar. 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, if the suspension mounting points must remain stock, the leaf spring cars will dominate (at least on ashpalt.). This will be a brief tutorial that should help iRacers adjust their setups to better suit their driving styles. var email = "RacelineCentral" Drag the brake lightly as you enter the corner. Christjohn likes to get to the track early and get his car set up so he can watch the races. It costs just as much money, if not more, to run poorly, so you might as well learn to run well. I thought these were street STOCKS? I have always believed in priorities because you can make gains faster when you solve the high priorities problems first. Our second design in our dirt chassis line this IMCA legal metric clip car designed in 2006 was already proving itself to be a successful chassis. 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. 358101 FAB . A three link with panhard bar using the stock lower mounts works fine. As the car is lowered, the rear RC will generally move down. We even did pretty good with it in the THR LLM class back in `99. Balance is spoken of in all types of motorsports these days, even F1. The Metric four-link suspension design is a bit different than most other rear suspensions. This tape 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. LIT-A950700006 80249N Ford F-150 LightningHarley HE. I can agree to use a LR instead RR. LIT-721 80293NDP 2009-2015 Cadillac CTS-V HE. Subtle changes often go unnoticed, especially when they're hard to see without jacking the car up and crawling underneath. The driveshaft alignment is critical from the standpoint of mechanical efficiency. The moment arm is 5.5 inches for the Late Model and is much easier to set up. Customer is to bring a clean non-sandblasted frame when picking up the chassis. Shocks affect the motion of the corners of the car and therefore the placement of loads during transitional periods. See all 6 photos. That's just a thought, i don't know that for sure. If the car is tight under throttle, or driving off the left rear, invert the spring perch offset adjustment procedure above. That's one thing I've really never understood about some street stock classes that don't allow weight jacks. 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. It is not advantageous to have the rearend steer to the right at any time on asphalt. That extra effort is what separates the front runners from the rest of the field. A complete body comes with the fiberglass hood and roof, plastic MD3 nose and tail, a set of skirts, trunk, a box of rivets. Every year, Jack asks drivers for input regarding rules changes for the following year. I better get the torch and welder dusted off! In the same manner, we can lower the rear mount of the upper link and lower the upper IC. The RC height will move with vertical movement of the rear of the car. //-->. Designed and built with one thing in mind, WIN RACES. I'm thinking about building a B Body for dirt track racing. 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. I wondered if a 3 link could be made to work well without them. If the LR tire is too cool, then the RR spring is too stiff. The only component were worried about is How to Raise Cross Weight in iRacing Setup. Mod Four Tech. ; C1 - Designed for medium to low brake temperatures and provides good cold bite while being rotor friendly. Its not necessary unless your own a road course. About Us. Built to the same high standards of safety, quality and craftsmanship that has made Port City Racecars an industry leader. 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. Ive read alot of stuff, some of it usefull some of it crazy. Sliding the MC left and to the inside of the turn makes the suspension softer. How do I tighten or loosen the car on exit? 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. The metric cars can use different size spring spacers as well, so the playing field is already level in that respect. Then should I use brakes more? Street Stock Tech. We run on street tires and can not move suspension mounts (viasably ) I won the championship last year with a car . In Stock. In 2010 we made a good car better by a design change with the introduction of the Chevelle front clip. Posts: 72. This is our 1988 Monte Carlo Stock Appearing Body. Thank You, DreamRacing.com offers a chance to go racing Everything you need to know to build, set-up and race a Street Stock competitively. 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. I ran a metric street stock at HMP for a number of years and was definitely not at a disadvantage. Re: street stock set up. And I do agree weight jacks don't cost much, sure is alot easier to do the same thing we were doing with hidden couplers and shims . 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. This configuration is common in General Motors cars built in and around the 1980's as well as some Ford cars, such as the Thunderbird, from the same time period. The setup we choose needs to be arranged so that the dynamics are balanced between the front and the rear suspensions. Aero Package Quote. Get Ready for a New Season of Gardening -Choose from Tomatoes, Peaches, Corn, Zinnias & More! In order to perform the set up routine the car needs to be completely ready to race. I also vote for weight jackers in ALL SS or Sportsman level cars simply because they're so cheap and make life so much easier for the teams. $1,700. The control arm angles affect the rear steer and the third-link angle can redistribute load upon acceleration. 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. We ran the stock lowers but boxed them and put in better bushings if I recall correctly. Pavement Modifieds. 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. AFCO C2 METRIC PADS $179.99. Here is an explanation of balance related to the dynamics of the race car. Track Tools. Another gardener is pla, Get Free Seeds & Taste the Delicious Flavor of Estler's Mortgage Lifter with Edweather's Generous Offer, Estler's Mortgage Lifter is an heirloom tomato variety developed by William Estler in the mid-1920s. 2. But just wondering what the heck guys are doing to these metric street stocks to make em so fast. The problem on dirt is the high rear roll center. First of all, the design is intended to solve several problems. Each setup has a life cycle or a time frame in which it will work before we run into a stopping point with it. 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. Johnny likes a softer feeling car, front and back. 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. . Taipei Taxis, City Traffic Taiwan Street scene in the capital city of Taiwan at dusk with motion blurred taxis and traffic in the streets. Lee Christjohn of Antigo, WI knows what it takes to win street stock races. 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. 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. Also pinion angle with stock bushings. Moving the pull-bar or just the third link to the left increases the loading on the LR tire during acceleration. The fruits of this plant are large and can weigh over one pound. I have little experience on dirt but can definetely notice this! Disconnect the sway bar and zero (unload) it. I can't tell you how many times I have refined the MC location in a car and had it totally change the way the car turned, for the better. jp. This is very "old school" but when applied with a balanced setup, very effective. 321. 2,224. -3 . 03 0@ 34-.=- 2 ++(+'o $ (&%q qqqqqqqqqqqqqqqqqqqq ,&%q qqqqqqqqqqqqqqqqqqq qq (,%q qqqqqqqqqqqqqqqqqqqq ,,%q qqqqqqqqqqqqqqqqqqq qq Next is engine set back if allowed. 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. This variety grows best when grown alone and can reach up to 12 feet tall. Contact Us. Divide that in half for the center of the wheel. For a better experience, please enable JavaScript in your browser before proceeding. I would suggest going to www,4m.net to the tech board. The effect is huge. Conversely, if the car feels tight throughout the corner, raise both track bars. I would rather race 100% legal with a rule book that is written 100% clear and specific, that is enforced as it is written. To sort of act as a pull bar? We cover all forms of racing in the Midwest featuring racing news, results, photos & videos. What do I do if the car is loose or tight throughout the corner? Street Stocks Dur-A-Flex Racing. Wheels. It might help to leave it unattached on ovals. 70030. .220 to .235 would be fine without a quickner. That is the essence of shock technology related to handling influences. First, we don't want to restrict the movement of the arms too much. . 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. 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 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. Officials are trained to find sneaky parts. Reply #9 - 05/01/09 at 8:00pm. I built Couchenours 99 car . It just won't work. The influence of the location of the front MC can be compared to a sliding scale. Fast And Furious. Antidive helps prevent sudden nose dive on entry by mechanically resisting the downward motion of the suspension using the rotational forces created through braking. Whats the dominant front clip, and what are they doing with these metric rear setups? I drive both a metric (my truck) and a leaf spring car (ss). If we have a top view difference in alignment between the transmission output shaft and the pinion shaft and they are parallel, then the angle to the driveshaft created by that misalignment might be sufficient to provide the needed angular differential needed for loading the U-joint bearings and reducing negative harmonics. The 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. 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. Manyof the ideas fit into the gray areas and some of them are outright cheating. The left side suspension usually is designed with about half the angle of the right side in a conventional design. I noticed the camaros can arch or de arch springs. ford 9' rear end w/disc brakes, stocks, springs, gauges just add motor and transmission and go racing. Some people add preload to the sway bar to make cross weight adjustments. Roughly 8-10 degrees of third link angle is sufficient to promote antisquat and not hurt your corner entry. It is not advantageous to have the rearend steer to the right at any time on asphalt. Bite Off The Corners var contact = "Contact Us" Since the spring promotes rebound and resists compression as inherent properties, then the shock rate of compression control must be less than the rate of rebound control. Even when clear rules exist, the track officials are often reluctant to enforce them. Your statement that the 3-link is what the metrics needed to level the playing field is the type of feedback that tech. Home. A good handling car can make gobs of horsepower and hook it up. 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. This force is resisted by the ball joints and control amrs. Am I correct that you would reattach the sway bar after making the perch adjustments? 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. 10702FMC FRAME & CAGE - FAB CHEVELLE MOD. #1. THAT ARE CHEAP AND APPEAR STOCK. We had LF 1000, RF1300. Note the new cross weight and the ride heights. Most of the ideas in this book are perfectly legal for any rule book. 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. 30 day Money Back Guarantee!- If you don't learn something that helps you go faster, email me and I will refund 100% of your money backAfter payment you will be directed to a download page. The Antis I never felt good about cheating but when everyone does you need an even playing field. It may not display this or other websites correctly. And your choice of aluminum or steel fenders doors and quarters. Dirt Race Life is explaining how to draw out the front end on a race car and determine where the roll center is. I would trail brake or lift earlier. If those desired angles are different, then we term the setup unbalanced. You are using an out of date browser. Caster. $137.99. Setup Balance If the car feels loose throughout the corner, lower both track bars evenly. SAS I seem to remember being faster than the sportsmans. 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. Check with the rules to see if it's even mentioned. This configuration is common in General Motors cars built in and around . Moderators:FeliciaMC88, UFo Race Championship. Leaf springs are important when towing heavy objects.Bear with me here, this digs a little deeper into how leaf spring suspensions work. Polyethylene Film / PE Sheet Pay attention to the left front tire temperatures versus the left rear. Loss of efficiency can rob power from the drivetrain due to the generation of vibrations and harmonics that are also damaging to the bearings. I remember qualifying times in the 19.6 to 19.7 range. Smaller gains can come later on after the more important aspects of setup are resolved. For me its very hard to be consistent and to adapt to the changing track states! The upper IC is to the rear of the rearend and the IC for the lower links is well in front of the rearend. This develops more crossweight as the car squats on acceleration. Adjust all four spring perch offsets to change the cross weight. Often overlooked in the mainstream, dirt track racing is one of the most exciting forms of tire-scorching car racing action. Caster is best described as a vertical line that runs through the 2 pivot points in your car or trucks suspension. I was thinking this setup might help because their are not alot of different way to adjust these cars other then stagger, offset, and maybe shocks. 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. Cra bomber, turbo ,etc. My Metric front end setup. A set up plan will help you to build a race winning effort. I have had a lot of feedback from teams who did the same with the same results. Is this why Im wearing out the right front? The less angle the better. Circle Track Setup: The Case for Caster. 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. 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. Bump Springs Tech. S3 - Street Stock - USA $4.00; S3 - Street Stock - Lanier $4.00; S3 - Street Stock . Play the all new "DANNY SIMKINS - 11 STRAIGHT - trivia game." 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. 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. If this component on your car is not right, then the whole car will suffer, no matter what else you do. Contact Us. Might go25- 50 pds more on each side and the left side should be more than the right side. Order Wilwood part number 150-9442K. race pictures, racing news and season updates for the Frost Racing Team. Just about all the available setup options that you can adjust on a real WC car can be adjusted in the sim. These pads are use on dirt for medium and heavy braking, and asphalt for sportsman and Hobby Stock cars. Just trying to help someone. This is because of the construction using angled, from a top view, arms that converge to points called instant centers. I ran a street stock/sportsman from 1995 to 2000 with a metric frame. Shocks Aug 24th 2005. LIT-719 80292 C7 Corvette Radiator. You must log in or register to reply here. . We also might want to change the locations of the chassis and/or rearend mounts for the links. Metrics can be competitive IF they are permitted to address their four-point rear suspension problems. On the a street stock what size spring would be better to run on the rear. Take the RH arm and cut the tube off at the cross shaft, cut 1" off the tube and weld it back onto the cross shaft. You refering to dirt track racing correct? On a metric four-link car, the four control arms determine the rear moment center height too. 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. set the tone for how the parts and setup will work. It is this sliding scale situation that determines the stiffness of your front end. Eliminate most of your bumpsteer and Ackermann and install the correct steering ratio for your track that would suite the driver. 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 . 10. The Metric four-link suspension design is a bit different than most other rear suspensions. The car would have a complete roll cage with stock type suspension. Strictly asphalt street stocks and parts. Dec 24, 2005 at 5:33am. Understanding the relationship between the rear roll center on these cars and the setup will help us find a more balanced setup. Get the best deals on Asphalt Oval Racing Parts when you shop the largest online selection at eBay.com. 1980 Camaro bomber class street stock crate motor ford 9inch. If the car feels loose on corner exit, lower the right track bar. Brian Wise. Can a 3-link be used effectively without weight jacks? Setup Tips for Metric on asphalt racecheep. Keep It Fast and Cheap. This topic is now archived and is closed to further replies. LIT-718 80291 1997 - 2004 Mustang Radiator. Steering Geometry You can use your stock metric pitman arm and . 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. I think everyone agrees that the old leaf spring cars (Camaros and Novas) are becoming harder and harder to find. 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. 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 Your close on the springs if the car is 3200. Yea how many years ago a1? Good luck and keep the rubber side down!!! Filter by. The rear roll center is certainly part of the problem. 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. Create New Wish List . What Are Russet Mites? On a three-link rear suspension you should have the front of your right-side control arm higher than the rear mount by 1/3 of the total amount it will travel in the turns. 1 Min Read. Page 1 of 1. Setup Tips for Metric on asphalt. PREMIER. If we can raise the upper front link mounts, we can lower the rear RC by lowering the upper IC. I built the car not the engine . Happy New Year. The very first step in the process of preparing for the new season is to consider all performance-related items and how they worked last season. By Bob Bolles, Circle Track Magazine . SUCH AS SPRINGS, SHOCKS, SWAYBARS ETC. The components that locate the rear end must be evaluated and set correctly. March 27, 2015. 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 ). But if you cant 11 inchers is all you can go. The metrics at THR are NOT competitive compared to the leaf cars. I don't know much about spring adjusters hidden or otherwise but I'd say they could be made to work. How do I adjust the cross weight in an iRacing setup? 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. Most Metric cars I've evaluated have rear RC's up around 14.5 inches off the ground. JP, are you saying that you were allowed to run it in that form - stock lowers with an aftermarket upper link? I think Terry has already tried, but we'll try again. The idea is to steer the car using different height holes for the rear control arm mounts. JavaScript is disabled. 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. 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. 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. CRA street stock. By On the metric chassis the roll centers, from what I understand are mainly influenced by ride height, because we can't change control arms ect. Dirt Late Model Racing News and Driver info across the Mid Atlantic. How to Lower the Cross Weight in an iRacing Setup. Ackermann is easily checked by using a laser system or strings. How do I tighten or loosen the car on entry? Most of the time when some ask the question they are at that point and just don't know it. 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. My truck has weight jacks and a stock 4 link. I ran a street stock/sportsman from 1995 to 2000 with a metric frame. Great advice! Always try to start with the track bars first. This is what I did to my Metric that won the 2012 UMP National Championship. Maybe if Billy would be more specific about how he made his stock setup work we could learn even more.
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