Basically - after you finish the set up routine, the car goes in the hauler. A three link with panhard bar using the stock lower mounts works fine. 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. . in Exotic Race Cars on a Real RaceTrack, Copyright 2000-2023 I have found that these are the best ways to adjust iRacing setups to suit your driving style, or to handle better under different temperature conditions. 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. 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. Often overlooked in the mainstream, dirt track racing is one of the most exciting forms of tire-scorching car racing action. I'd think that without them you'd at the very least need to allow some sort of spring adjuster. Pavement Modifieds. Fast And Furious. I have had a lot of feedback from teams who did the same with the same results. 6. Each suspension system desires to do its own thing when lateral forces are introduced from the car going through the turns. The effect is huge. Officials are trained to find sneaky parts. 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. rolling chassis. It has been found that the misalignment of your tires/wheels presents serious drawbacks to a finely tuned chassis and setup. 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. I would trail brake or lift earlier. There is no one big trick to make your care handle better, rather its all the little things done right that will make you consistently fast. 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. 4m.net - The Most Opinionated Racing Message Board In The Universe Posted 5 weeks ago. 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. If you can use bucket and run a taller sprign thats a good way to go. Thanks a lot for making it. 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. My name is Rodney Arndt, I have an associates degree in automotive technology. 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. If you could slide the MC to the right, or outside of the turn for you road racers, the front end will get stiffer. Caster. Cvracer5. var email = "RacelineCentral" I just think frames are harder to come by, so are stock blocks, so the old stock and hobby classes are a dying breed. However, tie down shocks are becoming less and less desirable. Adding neoprene bushings to all of the connection points will unnecessarily restrict movement and cause the chassis to be stiff in roll. Street Stock Setups - Custom iRacing Setups and Paints for dirt oval and asphalt oval cars. More has to be done to help the rear roll to match the front. PDF Asphalt Modified Setup Guide - Hldm4.lambdageneration.com Quote. Cra bomber, turbo ,etc. 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. The lateral location of the third link can affect the distribution of load among the two rear tires that results from acceleration and antisquat. That is the essence of shock technology related to handling influences. Note the new cross weight and the ride heights. ANYBODY KNOW OF ANY STREET STOCK RACING CHEATS/TIPS. the radiator. In the same manner, we can lower the rear mount of the upper link and lower the upper IC. Unbalanced setups exhibit easily observed characteristics, such as unusually high degree of wear and temperature on one tire versus the other tires. 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 Both of these are necessary components that will be needed to win championships. Circle Track Chassis Choice | NastyZ28.com 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. Greetings guys, Im new to the site. Home. Each end has its own moment arm length and resistance to roll as well as other factors. . Ive made the brackets on the rear housing (lowers) longer with trailing arm mounts that have 3 . Last couple of years I ran the car we just used tubular ones with rod ends because it was legal and easier. This was taken at Butler Speedway in Michigan. The metrics at THR are NOT competitive compared to the leaf cars. I guess the leaf cars could be allowed adjustable shackles in the rear to even that one out, sort-of. Im using a 9" floater, locker, 60" w/centered pinion. Balance is spoken of in all types of motorsports these days, even F1. A good handling car can make gobs of horsepower and hook it up. 1980 Camaro bomber class street stock crate motor ford 9inch. Conversely, if the car feels tight throughout the corner, raise both track bars. Setup Tools. Circle Track FAQs - QA1 The preferred way to adjust the cross weight is by moving weight around. 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 ran a metric street stock at HMP for a number of years and was definitely not at a disadvantage. But the most useful rear steer will only occur on acceleration and not at mid-turn. Heres a helpful image. Street Stock. 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. Taipei, Taiwan. The proper steps to do this are outlined below. 5. With several wins and a championship under our belt after the first year . Its a whole lot more driver and a whole lot less setup on dirt. The components that locate the rear end must be evaluated and set correctly. Truck99August 22, 2005 in Grease Monkey Hangout. 35810 FABRICATED CHEVELLE FRAME. It is not advantageous to have the rearend steer to the right at any time on asphalt. Wheels. We got away from running thatmuch cross as the car was pushy. lowers are stock location on frame. We showed you the 3-link rear end last week. *-*. 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. Pavement Late Models Stock Cars. 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. Still having problems? Still, teams want the most they can get out of their cars and if all of the above nine items are in order, by all means, go ahead with aero tweaking. Most of the ideas in this book are perfectly legal for any rule book. Dec 24, 2005 at 5:33am. But if you cant 11 inchers is all you can go. 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. AFCO C2 METRIC PADS $179.99. race pictures, racing news and season updates for the Frost Racing Team. If the car feels tight on corner exit, raise the right track bar. iRacing Dirt Street Stock Setups - Old School Racing Motorsports 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. Subtle changes often go unnoticed, especially when they're hard to see without jacking the car up and crawling underneath. Moving the pull-bar or just the third link to the left increases the loading on the LR tire during acceleration. Can a 3-link be used effectively without weight jacks? Track Tools. 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. So, in most cases, we need to run a softer spring in the right rear. Did they allow weight jacks? Send your request to bob.bolles@sorc.com. Bolt on Torque Link Bracket - Afco - Pair Biggest change is getting ride height . Unfortunately, most rule books that I have dealt with are very vague. I talk to lots of racers representing every form of circle track racing in every region of the country and beyond. 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. 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. These pads are use on dirt for medium and heavy braking, and asphalt for sportsman and Hobby Stock cars. 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 . Probably to the guys that are beating you! var emailHost = "hotmail.com" Remember that drag is an important aspect of aero design. Lowering the rear RC and softening the RR spring will help solve the problem. Understanding corner weights | Articles | Grassroots Motorsports Modified Chassis - Howe Racing Enterprises, Inc 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. 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. 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. We have been softening those setups over the years, but never intended to go to coil bind or bump rubbers. 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. 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. Chassis. I thought these were street STOCKS? The left side suspension usually is designed with about half the angle of the right side in a conventional design. 321. The rear won't desire much roll and there will be excess load transfer to the outer wheel and tire. Required fields are marked *. 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. by rick7343 Fri May 01, 2015 5:14 pm, Post This is because of the construction using angled, from a top view, arms that converge to points called instant centers. Setup Tips for Asphalt Oval Racing We can run different sized lowering blocks, but that is not the same as a weight jack from a "quick adjustment" perspective. 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. Might go25- 50 pds more on each side and the left side should be more than the right side. ; this was with all four stock trailing arms. Adjust all four spring perch offsets to change the cross weight. Special Discount Cost- $24.95 !To download a copy of the E-book, simplyclick on the link below. did desi arnaz jr have a stroke; moose tracks vs cow tracks ice cream This guide is very similar to the NASCAR Racing setup guide. The less angle the better. RacelineCentral.com All Rights Reserved, NASCAR 2K3 Racing Season Garage 101 Guide Download, Creative Commons Attribution-Noncommercial-No Derivative Works 2.5. Aug 24th 2005. They should be matched up within a couple of degrees of average temperature across the tread. My Metric front end setup. . To sort of act as a pull bar? Oct 12, 2013 #2. Alignment issues are defined as: A. rearend alignment, B. contact patch alignment, C. driveshaft to pinion/transmission alignment, and D. engine alignment. Metric rear tech - BDLM The images used are taken from the iRacing Super Late Model setup screen. Basically, if the suspension mounting points must remain stock, the leaf spring cars will dominate (at least on ashpalt.). Posts: 72. For the Big Bar, Soft Spring setups, teams often introduce Pro-dive into the left front suspension to encourage rapid dive on entry to get the left front down quickly. Lee Christjohn of Antigo, WI knows what it takes to win street stock races. If all of these issues are evaluated and corrected, then you can move on. Poorboy, I think you're exactly right. Tech Central - AFCO - Racing Strictly asphalt street stocks and parts. JavaScript is disabled. We took all the cross out like Lee and trailed the RR and did not use much stagger. Upgraded Brakes for GM Metric Chassis Circle Track Race Cars Remember, we're still using stock components, we're just making small relocations of those points. The influence of the location of the front MC can be compared to a sliding scale. Add to . We also discuss how to identify the cause and the best treatments for each type of pest. Sep 1, 2009. 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. It is a low acid tomato with a unique flavor that has been described as sweet, yet slightly tangy. Numerous car builders have come to realize the truth in the above statements. 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. Reply #9 - 05/01/09 at 8:00pm. Chassis - Port City Race Cars Antidive helps prevent sudden nose dive on entry by mechanically resisting the downward motion of the suspension using the rotational forces created through braking. Forum Actions: Forum Statistics: Threads: 1; My Metric Front end setup | The Dirt Forum - ProBoards To download a copy of the E-book, simplyclick on the link below. LOL. The pad is best used on IMCA style modifieds, the fronts of "Outlaw" style modifieds, drag racing . AFCO C1 METRIC PADS. The "ULTIMATE" Racing Car Chassis Setup Guide and Tutorial Lift earlier, and/or drag the brake just a little bit on entry. taipei city stock pictures, royalty-free photos & images Taipei City Stock Photos, Pictures & Royalty-Free Images - iStock 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. Just trying to help someone. We cover all forms of racing in the Midwest featuring racing news, results, photos & videos. If the car feels loose on corner entry, lower the left track bar. For warmer track temperatures, you are going to need to tighten the car. Conversion to Race Car When we convert a Metric four-link suspension to a racing application, we need to be aware of several important factors. Stock Car Racing, NASCAR, Late Model, Sooner Speedway, Frost Racing Team, Race Links, Chevy Monte Carlo . Also pinion angle with stock bushings. I dont really recommend it. Over the years, most of the things that I have learned about racing, I've learned the hard way. Caster is best described as a vertical line that runs through the 2 pivot points in your car or trucks suspension. The amount of difference you need is directly influenced by the installed motion ratio of the spring and the spring rate. The less fuel in the tank the tighter the chassis will become. 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. Posted August 22, 2005. Antisquat is detrimental to corner entry. I would suggest going to www,4m.net to the tech board. Excessive front toe in will make a car turn into a corner quicker, & may create a loose condition. March 27, 2015. Location. racing aspirations Moment Center for Circle Track Those cars are coming around becoming competitive. That's just a thought, i don't know that for sure. Plan to win in a repeatable fashion. Understanding the relationship between the rear roll center on these cars and the setup will help us find a more balanced setup. This is our 1988 Monte Carlo Stock Appearing Body. Smaller gains can come later on after the more important aspects of setup are resolved. racing on asphalt. Street Stock Chassis Technology - Amazon.com 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. The car may or may not be neutral in handling, but the handling will not be consistent. Street Stock - (WISSOTA TYPE) - Medieval Chassis 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 If the car's center of gravity was say 16.5 inches (around average for an asphalt car that has been lowered), there would only be a 2-inch moment arm to try to roll the car. Everything you need to know to build, set-up and race a Street Stock competitively. I don't know much about spring adjusters hidden or otherwise but I'd say they could be made to work. Long exposure, Nikon D810. This topic is now archived and is closed to further replies. This tape I'm a former NASCAR short track driver and league administrator for SASCAR. Turn the wheels to the left all the way, make a mark with the steering wheel, now count the turns it takes to go to full lock the opposite direction. As you will gather from this book, setting up your car right and properly maintaining it is a lot of work. Mod Four Tech. It was either cheat or park it until the rules change. Metric Chassis Roll Centers - Lone Star Speedzone Forums Full of fuel, everything done, full of oil, lead bolted down. We even did pretty good with it in the THR LLM class back in `99. 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 ran a street stock/sportsman from 1995 to 2000 with a metric frame. PDF By Bob Bolles, Circle Track Magazine - Longacre Racing 6 pt roll cage setup for easy in and out street use. Its hard to say without more information. Setup Tips for Metric on asphalt racecheep. One way is to have a rear spring split, where the right rear (RR) spring has less spring rate than the LR spring. So, it might be the best for asphalt racing to run as low as possible or as much as the rules allow to create a lower center of gravity. 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. Looking forward to the tips for Dirt Oval racing! If the car is tight under throttle, or driving off the left rear, invert the spring perch offset adjustment procedure above. Adjustment Guide - Medieval Chassis. 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. The artistry comes in when you actually do it. How to Open the Setups. 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. Camber was -2 deg on RH and +2 deg on LH at ride height. A 1/2 inch height change from level can make significant handling changes. 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. The dynamics of the moment center and the effects of camber change have been explained before. There are two main ways to tighten or loosen the car. Thank you for pointing out the obvious to me . Dial In Your Metric. In 2010 we made a good car better by a design change with the introduction of the Chevelle front clip. by RonL Fri Jan 02, 2015 12:36 am, Post STREET STOCK RACING CHEATS/TIPS? - Racingjunk Forums 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. These desires are directly influenced by the spring stiffness, location, and spring split, the sprung weight the system has to support, along with the moment center locations and other settings. Street stock, pure stock, sportsman, factory stock. Over the years I have had lots of feedback that most . Some people add preload to the sway bar to make cross weight adjustments. SR10 Dirt Oval RTR | Associated Electrics Most good cars are built on wheel scales. Since mustangs have a similar rear suspension would these same mods work? LIT-719 80292 C7 Corvette Radiator. Add to Cart. Your email address will not be published. The steering system in your car must be evaluated and any negative characteristics must be eliminated. How do I tighten or loosen the car on exit? 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 back. Estler's Mortgage Lifter is ideal for growing in northern climates due to its ability to withstand cooler temperatures better than other varieties. First of all, the design is intended to solve several problems. Off-centered adjusters can be very inconsistent. The set-up really planted the RR tire. Nick and I agree on something! The cross weight adjustments should work on all dirt cars except the Sprint Cars. In Stock. Im lifting early and using zero brake. Bite Off The Corners Good luck and keep the rubber side down!!! 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. Sliding the MC left and to the inside of the turn makes the suspension softer. SUCH AS SPRINGS, SHOCKS, SWAYBARS ETC. would be able to run on asphalt with the leaf spring cars. SmartPad BP-30 is a race only pad for heavy braking on dirt, and intermediate needs on asphalt. Location:Austin, Tx. also get to the scales whenever you can. The surest way to get disqualified is to bolt an illegal part onto your car. The cars with the stock metric 4 link all seem to go into a four wheel drift and are always loose on exit. 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. 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. 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. Chassis Setup Docs Hyper Racing. Hardcore Package - $5,700 (2023 Pricing) *Some components included in the package are not shown in picture below*. #1. You can try bigger adjustments if you cant tell much difference in the handling after you make smaller adjustments. There are a lot of things you can do to improve handling. On a metric four-link car, the four control arms determine the rear moment center height too. I think everyone agrees that the old leaf spring cars (Camaros and Novas) are becoming harder and harder to find. A set up plan will help you to build a race winning effort. We can lower the rear RC by making changes to the mounting points. . ; C1 - Designed for medium to low brake temperatures and provides good cold bite while being rotor friendly. I would say 99's priorities worked just fine. Quick view. ford 9' rear end w/disc brakes, stocks, springs, gauges just add motor and transmission and go racing. We are at a crossroads at this point in time with setup technology in asphalt racing. When thisbook was originally published in 2001 it was specifically for GM Metricchassis (78 or newer Malibu, Monte Carlo, Regal and Cutlass cars) racing on asphalt. I can understand not allowing alot of stuff from a cost perspective but weight jacks seem to be one of those things that are cheap to begin with and you end up spending 3 times as much money and alot more time trying to get the same result while complying with rules that don't allow them. If there is, try to adjust the brake bias to eliminate the adverse condition. The fruits of this plant are large and can weigh over one pound. When you enter the corner you are going to slow down. Happy New Year. Most guys that are fast there are fast everywhere. I'm thinking about building a B Body for dirt track racing. Car went anywhere he wanted and was quick time, won the trophy dash, heat race and main. LIT-722 C7 Z06 Corvette Heat Exchanger 80294NDP. there are a lot of knowledgeable guys there. I see the times at CCMS are identical, THR the truck .5 sec quicker. 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. 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. Add to Cart. Hey I am looking for some guidance setting up my 4 link GM metric rear end. Ill also answer a couple of common questions: These changes are applicable to all asphalt oval cars. Metric Street Stocks - Lone Star Speedzone Forums If those desired angles are different, then we term the setup unbalanced. They arent usually as good at spotting little modifications to every single part of the suspension. The setup we choose needs to be arranged so that the dynamics are balanced between the front and the rear suspensions. Before you start your season, you need to create your If you use no brakes you can wear the right front.