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/. Stretch Film Division. 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. Street Stock Setups. Also pinion angle with stock bushings. We also discuss how to identify the cause and the best treatments for each type of pest. However, tie down shocks are becoming less and less desirable. As for stock arms they worked just fine ,and didn't cost anything. *-*. Street Stock Chassis Technology - Amazon.com THAT ARE CHEAP AND APPEAR STOCK. The car may or may not be neutral in handling, but the handling will not be consistent. Contact Us. 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. Circle Track FAQs - QA1 A three link with panhard bar using the stock lower mounts works fine. A complete body comes with the fiberglass hood and roof, plastic MD3 nose and tail, a set of skirts, trunk, a box of rivets. 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. The steering system in your car must be evaluated and any negative characteristics must be eliminated. Circle Track Wheels. 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. LIT-719 80292 C7 Corvette Radiator. I never felt good about cheating but when everyone does you need an even playing field. If the car feels loose on corner entry, lower the left track bar. 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. This chassis utilizes our very popular double slotted strut style front clip. This 7 shock kit includes shocks for every track condition with tips to help fine tune your racecar. The problem on dirt is the high rear roll center. PDF Asphalt Modified Setup Guide - Hldm4.lambdageneration.com document.write("" + contact + "" + "") We have continually pressed these issues because of the extreme importance they have. 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. Click. SR10 Dirt Oval RTR | Associated Electrics . . 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. Alignment 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. 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. Its hard to say without more information. Oct 12, 2013 #2. 7. Street stock spring ? | STLRacing.com So, there is a limit to how much you can get away with and still have a decent corner entry. Johnny likes a softer feeling car, front and back. Posted August 22, 2005. Modified Chassis - Howe Racing Enterprises, Inc That extra effort is what separates the front runners from the rest of the field. 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. Customer is to bring a clean non-sandblasted frame when picking up the chassis. Add Comment. 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. Every year, Jack asks drivers for input regarding rules changes for the following year. Street Stock Setup Manual Last couple of years I ran the car we just used tubular ones with rod ends because it was legal and easier. Basically - after you finish the set up routine, the car goes in the hauler. Its not necessary unless your own a road course. Got protested and is now in limbo! Then all you have to do is maintain that balance throughout the season and that means resisting making changes that take you outside that envelope. BBC Truck Header 2 1/4in X 4in Fender Well Schoenfeld 2348 . We also discuss where we want the roll cente. Subtle changes often go unnoticed, especially when they're hard to see without jacking the car up and crawling underneath. S3 - Street Stock - USA $4.00; S3 - Street Stock - Lanier $4.00; S3 - Street Stock . Lee Christjohn of Antigo, WI knows what it takes to win street stock races. Verndale, MN. 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. I would run either the pure stock or street stock class. Greetings guys, Im new to the site. It is not advantageous to have the rearend steer to the right at any time on asphalt. I don't know much about spring adjusters hidden or otherwise but I'd say they could be made to work. 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. did desi arnaz jr have a stroke; moose tracks vs cow tracks ice cream When we recently set up our Project Modified for our first race, we followed a simple list of to-do items that are the same for every race car I ever set up. This is very "old school" but when applied with a balanced setup, very effective. 35809 FABRICATED IMPALA FRAME. Afco Racing Products. Chassis - Port City Race Cars 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. If the LR tire is too cool, then the RR spring is too stiff. Adjust all four spring perch offsets to change the cross weight. Sometimes the handling of the car might not be to your liking. We had no idea how popular and successful this line of chassis would be. There are some different lower a-arms and front suspension things to make them even better. "One bad person can ruin it for everyone and that is just disrespectful", The Thank You, DreamRacing.com offers a chance to go racing . Whats the dominant front clip, and what are they doing with these metric rear setups? Welcome, Guest. The Metric four-link Roll Center The metric roll center is quite high compared to other rear suspension systems, such as the three-link with Panhard bar, the leaf spring system, and the Watts link. Adding neoprene bushings to all of the connection points will unnecessarily restrict movement and cause the chassis to be stiff in roll. If your vehicle of choice utilizes a McPherson strut style front suspension, then your 2 pivot points would be . Metric Street Stocks - Lone Star Speedzone Forums 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. Would it be too much of an advantage to let these guys run a 3-link rear with solid links and panhard bar? With so many different combinations of possibilities it leaves us with literally thousands of possible chassis combinations to choose from. How do I tighten or loosen the car on exit? 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. That's just a thought, i don't know that for sure. Circle Track Chassis Choice | NastyZ28.com Over the years, most of the things that I have learned about racing, I've learned the hard way. As you will gather from this book, setting up your car right and properly maintaining it is a lot of work. If those desired angles are different, then we term the setup unbalanced. My truck has weight jacks and a stock 4 link. Good luck. SR10 Dirt Oval RTR. by rick7343 Fri May 01, 2015 5:14 pm, Post Too low a ride height could cause the car to bottom out. 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'm not saying this is not important to some degree, but on short tracks I would stress that aero downforce is over-rated in most cases. I'm a former NASCAR short track driver and league administrator for SASCAR. Also has a anti roll bar added to it. Designed and built with one thing in mind, WIN RACES. This configuration is common in General Motors cars built in and around . As the car is lowered, the rear RC will generally move down. 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. We showed you the 3-link rear end last week. And, of course, Terry chose to park it. 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. Metric Chassis Roll Centers - Lone Star Speedzone Forums 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. The bottom line is that at mid-turn, each end will want to roll to its own degree of angle. My name is Rodney Arndt, I have an associates degree in automotive technology. There are two main ways to tighten or loosen the car. I ran a street stock/sportsman from 1995 to 2000 with a metric frame. Wheels. A level panhard bar ( same mounting height on both sides) means force is vectored laterally to the tires. Most Metric cars I've evaluated have rear RC's up around 14.5 inches off the ground. Mopar circle track question | For A Bodies Only Mopar Forum STREET STOCK RACING CHEATS/TIPS? - Racingjunk Forums Racing Aspirations refers to this point as the roll center (RC), but it can also referred to as the moment center. The less angle the better. If this component on your car is not right, then the whole car will suffer, no matter what else you do. so I ran a .185 valving. 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. However, that is only one of the three basic geometric ways to move a tire on a race vehicle. 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. Basically, if the suspension mounting points must remain stock, the leaf spring cars will dominate (at least on ashpalt.). 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. Forum Actions: Forum Statistics: Threads: 1; As the front brakes are applied, the caliper grabs the rotor and the motion of the wheel/rotor tries to rotate the spindle. METRIC CROW FOOT Other Items Online Auctions And as for you Modified and Stocker class teams, don't even think about it. var contact = "Contact Us" As a general rule, most asphalt stock cars run around 3.5 to 4.0 front roll center height, although many run lower roll centers than they would like simply because the stock location is very low . This will loosen the car, and that's undesirable, especially on dirt. Car went anywhere he wanted and was quick time, won the trophy dash, heat . camaro street stock setup camaro street stock setup The metrics at THR are NOT competitive compared to the leaf cars. Setup & Tech Info - Jet Racing Inc The "ULTIMATE" Racing Car Chassis Setup Guide and Tutorial I think I'll make a proposal along these lines. Can a 3-link be used effectively without weight jacks? Off-centered adjusters can be very inconsistent. Camber was -2 deg on RH and +2 deg on LH at ride height. If you use no brakes you can wear the right front. I followed the progress of the THR #01 SS very closely and when Terry says he tried everything legally possible to get that rear end to quit binding up during body roll, he's not exagerating. Dirt Late Model Racing News and Driver info across the Mid Atlantic. Asphalt circle track metric GM 4-link questions - Speed-Talk.com 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. Hardcore Package - $5,700 (2023 Pricing) *Some components included in the package are not shown in picture below*. In 2005 Victory Circle entered the world of dirt racing. 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. "ULTIMATE" Racing Car Chassis Setup Guide and Tutorial. It may not display this or other websites correctly. Saturday Night Racer - street stock set up - LATEMODELRACER.COM 5. My Metric front end setup. Taipei City Stock Photos, Pictures & Royalty-Free Images - iStock Order Wilwood part number 150-9442K. LIT-718 80291 1997 - 2004 Mustang Radiator. 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. Why Lower The Rear RC? I have had a lot of feedback from teams who did the same with the same results. It was either cheat or park it until the rules change. We even did pretty good with it in the THR LLM class back in `99. Thats with a 305 a ton less HP. With several wins and a championship under our belt after the first year . This guide was awesome! 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. Bush i agree with your Eriez/ 7 comment. Posts: 72. We are at a crossroads at this point in time with setup technology in asphalt racing. For the lower links, lowering the chassis mounts at the front of the link lowers the rear RC. 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. Each end has its own moment arm length and resistance to roll as well as other factors. The number one reason a car will be tight and not want to turn is because the front end is not designed properly. Estler's Mortgage Lifter is ideal for growing in northern climates due to its ability to withstand cooler temperatures better than other varieties. 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 he was at the track and saw the car run he would know that it worked ( by the way it also worked at Eriez ). Here are what we consider to be the 10 most important areas of chassis setup with No. See All - Best Selling. Full of fuel, everything done, full of oil, lead bolted down. To download a copy of the E-book, simplyclick on the link below. Before you start your season, you need to create your 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 driveshaft alignment is critical from the standpoint of mechanical efficiency. Oversteer help - 1978-1988 General Motors A/G-Body Community 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. But there is still some changes to be made from track to track. 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. The set-up really planted the RR tire. 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. From NE Ohio to North Central Mississippi, everyone has their own ideas and preferences for what they will plant this year. Hey I am looking for some guidance setting up my 4 link GM metric rear end. 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. 358101 FAB . 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. When the track is cooler, you may want to loosen the car some. We can lower the rear RC by making changes to the mounting points. If all of these issues are evaluated and corrected, then you can move on. Tire Tools. It has been found that the misalignment of your tires/wheels presents serious drawbacks to a finely tuned chassis and setup. Each setup has a life cycle or a time frame in which it will work before we run into a stopping point with it. 10702FMC FRAME & CAGE - FAB CHEVELLE MOD.