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Aug 24th 2005. Adding neoprene bushings to all of the connection points will unnecessarily restrict movement and cause the chassis to be stiff in roll. 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. We run on a semi flat 1/2 mile asphalt track. 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. Am I correct that you would reattach the sway bar after making the perch adjustments? Add Comment. 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. Understanding Caster and Camber for Suspension Setup - Speedway Motors 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. It is not advantageous to have the rearend steer to the right at any time on asphalt. I built Couchenours 99 car . Do not seek aero downforce at the expense of aero drag increase. Most good cars are built on wheel scales. I understand not wanting to share to much especially if your a racer, but who or where else can I gain info on this? Of the other two, camber is well-recognized, but for all intents and purposes, the least-understood . Hardcore Package - $5,700 (2023 Pricing) *Some components included in the package are not shown in picture below*. You need to locate the moment correctly, and the cambers . 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. 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. LIT-719 80292 C7 Corvette Radiator. var emailHost = "hotmail.com" In order to slow you must lose (kinetic) energy. Moderators:FeliciaMC88, UFo Race Championship. 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. Get any of Steve Smiths street stock books for general knowledge in the essentials of cam/cas, toe out , roll center etc. In an effort to clear up some of the confusion over all the setup options included within NASCAR Racing, I decided to put this guide together to help you better understand what, why, & how adjustments are made in the sim. After you get the cross weight where you want it, adjust the ride heights. Eliminate most of your bumpsteer and Ackermann and install the correct steering ratio for your track that would suite the driver. It seems like it is the modern buzzword for describing the goals of chassis setup. And, some aspects of chassis setup build on other aspects. 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. LIT-A950700016 80275NDP Ford Mustang Cobra HE. It's on a car that I'm helping with. 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. 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. 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. Ackermann is easily checked by using a laser system or strings. By Bob Bolles, Circle Track Magazine . Adjustment Guide - Medieval Chassis. 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. Contact Us. Has gone 1.29 60 ft on spray, has 28 10.5 et street tires on it also. Long gone are the days of saying that the MC is not important. Even when clear rules exist, the track officials are often reluctant to enforce them. JEFFREYS Fabrication is coming soon!!! Divide that in half for the center of the wheel. 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. For me its very hard to be consistent and to adapt to the changing track states! Try to at least get to 53% front and 53% left weight with out adding ballast behind the rear wheels. It is this sliding scale situation that determines the stiffness of your front end. 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 track was a 5/8 mile asphalt and was extremely fast. 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. This will be a brief tutorial that should help iRacers adjust their setups to better suit their driving styles. Taipei City Stock Photos, Pictures & Royalty-Free Images - iStock I'm thinking about building a B Body for dirt track racing. 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. Built to the same high standards of safety, quality and craftsmanship that has made Port City Racecars an industry leader. Modified Chassis - Howe Racing Enterprises, Inc ANYBODY KNOW OF ANY STREET STOCK RACING CHEATS/TIPS. I can agree to use a LR instead RR. But the most useful rear steer will only occur on acceleration and not at mid-turn. Asphalt Street Stocks & Parts Only - Facebook The idea is to steer the car using different height holes for the rear control arm mounts. also get to the scales whenever you can. How to Lower the Cross Weight in an iRacing Setup. Brake Bias Looking forward to the tips for Dirt Oval racing! Pavement Modifieds. That is the best description of the result of the dynamic force that influences each system. 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. 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. It also doe, Fighting Fungal Diseases on Plants - Exploring the Use of Copper, Daconil & Copper Fungicides, The use of copper to fight plant diseases is an intriguing concept that has been around for some time. Lift earlier, and/or drag the brake just a little bit on entry. As these pads get hot, they offer more friction, and still work well at over 1000 degrees. Ive read alot of stuff, some of it usefull some of it crazy. Conclusion The Metric four-link rear suspension is here to stay for a while. 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. 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. A three link with panhard bar using the stock lower mounts works fine. But there is still some changes to be made from track to track. The message I get from those who have worked this trend for a sufficient number of years is one of the following two types: 1) a continuing and constant search for balance in the car and a loss of success on the track, or 2) a returning to the more conventional setups because they have experienced number 1 above. 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. Triangulated 4-Links: Make Your Stock Suspension Car Work Home. The RC height will move with vertical movement of the rear of the car. BBC Truck Header 2 1/4in X 4in Fender Well Schoenfeld 2348 . I drove the #01 ss for two years and tried everything I could think of within the rules and it was a hard job to keep the car in control because of the binding of the rear suspension. And, it must be economically applied. Estler's Mortgage Lifter is ideal for growing in northern climates due to its ability to withstand cooler temperatures better than other varieties. Basically - after you finish the set up routine, the car goes in the hauler. Play the all new "DANNY SIMKINS - 11 STRAIGHT - trivia game." Setup Routine - JOES Racing Products Wheels. Tire Tools. A 1/2 inch height change from level can make significant handling changes. After payment you will be directed to a download page. If the car feels loose on corner exit, lower the right track bar. 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. View all S3SS. Ive raise the center section of the chassis where the the upper mounts attach by 3". Sliding the MC left and to the inside of the turn makes the suspension softer. Most guys that are fast there are fast everywhere. In this article, we explore the possibility of russet mites, thrips, spider mites, and other causes of leaf damage. $1,700. They aren't expensive to buy or install, WB shocks are the same price as stock mount ones and bolts allow for much easier tuning. Each suspension system desires to do its own thing when lateral forces are introduced from the car going through the turns. 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. Metric rear tech - BDLM 70030. 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. After the race I had people come to our pit area and ask how did you get a metric car to lift the left front off the ground?" The surest way to get disqualified is to bolt an illegal part onto your car. . Fox80. 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. 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 Check your PM's. I ran a street stock/sportsman from 1995 to 2000 with a metric frame. One way is to have a rear spring split, where the right rear (RR) spring has less spring rate than the LR spring. The metrics at THR are NOT competitive compared to the leaf cars. These are the general rules unless you are trying to "tie down" a corner. If there is, try to adjust the brake bias to eliminate the adverse condition. 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. 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. Some of the names, most notably in the asphalt Street Stock springs, are different, but the process is the same. Ok im building a new circle track car useing a 1981 Camaro.