The metric cars can use different size spring spacers as well, so the playing field is already level in that respect. The amount of difference you need is directly influenced by the installed motion ratio of the spring and the spring rate. Next is engine set back if allowed. Conversely, if the car feels tight throughout the corner, raise both track bars. Tire Tools. The car will turn better and we will have more bite off the corners. . On a metric four-link car, the four control arms determine the rear moment center height too. 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. by rick7343 Fri May 01, 2015 5:14 pm, Post Its hard to say without more information. Antidive helps prevent sudden nose dive on entry by mechanically resisting the downward motion of the suspension using the rotational forces created through braking. Mopar circle track question | For A Bodies Only Mopar Forum As far as I know, all of the iRacing asphalt cars are adjusted the same way. Race Car Street Stock Set Up help manual book. 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. The right-side tire contact patches will also need to be inline with the right front tire pointed straight ahead. Good luck. 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. We showed you the 3-link rear end last week. We have been softening those setups over the years, but never intended to go to coil bind or bump rubbers. 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. Hey I am looking for some guidance setting up my 4 link GM metric rear end. Dirt Late Model Racing News and Driver info across the Mid Atlantic. Front End Geometry Brake Pad Identification and Friction Surface Options Explained I built the car not the engine . It was either cheat or park it until the rules change. Taipei City Stock Photos, Pictures & Royalty-Free Images - iStock The driveshaft alignment is critical from the standpoint of mechanical efficiency. Estler's Mortgage Lifter is ideal for growing in northern climates due to its ability to withstand cooler temperatures better than other varieties. PDF Harris Auto Racing - Race Cars with Attitude If you could slide the MC to the right, or outside of the turn for you road racers, the front end will get stiffer. 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. We even did pretty good with it in the THR LLM class back in `99. To add weight to a given corner, raise the ride height at that corner or lower the ride height at an adjacent corner. 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. 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. I was also wondering, are there any tricks you have to make your tires wear slower without damaging speed. 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. All customers interested in purchasing, repairing, or setting up a Howe-Eddy modified should contact Travis Eddy at Eddy Performance (989) 948-8005. There is one IC for the upper links and one for the lower links. 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. See all 6 photos. Motorcycle. Metric Rearend Suspension Video from a Street Stock 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. A three link with panhard bar using the stock lower mounts works fine. Create New Wish List . Billy Becka's 29 car, as he mentioned, was fast at SAS, but THR and SAS are very different beasts. Your close on the springs if the car is 3200. Circle Track Setup: The Case for Caster. Welcome to STLRacing.com, home of St. Louis Motor Racing News. 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. These components include the radiator, oil/transmission coolers, & brakes. *-*. ; this was with all four stock trailing arms. Post If all of these issues are evaluated and corrected, then you can move on. Thank you for pointing out the obvious to me . Conversely, if the car feels tight throughout the corner, raise both track bars. 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. Required fields are marked *. I was just trying to help a guy asking about what is done to the chassis. The moment arm is 5.5 inches for the Late Model and is much easier to set up. We also might want to change the locations of the chassis and/or rearend mounts for the links. Check with the rules to see if it's even mentioned. Truck99August 22, 2005 in Grease Monkey Hangout. The more third link angle you have, the more antisquat there is. We run on street tires and can not move suspension mounts (viasably ) I won the championship last year with a car . This is our 1988 Monte Carlo Stock Appearing Body. If those desired angles are different, then we term the setup unbalanced. X-Y-G METRIC STREET STOCK / SPORTSMAN HEADQUARTERs 704-784-5353. I never felt good about cheating but when everyone does you need an even playing field. 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. How do I tighten or loosen the car on exit? See auction date, current bid, equipment specs, and seller information for each lot. LIT-721 80293NDP 2009-2015 Cadillac CTS-V HE. there are a lot of knowledgeable guys there. 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). 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 . 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. Also pinion angle with stock bushings. Use the "new" 7 inch arm on the RH and the 8.5 on the LH. A Setup To-Do List to Get You Started . Dial In Your Metric. Remember that drag is an important aspect of aero design. 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. From NE Ohio to North Central Mississippi, everyone has their own ideas and preferences for what they will plant this year. . The idea is to steer the car using different height holes for the rear control arm mounts. Cvracer5. Conclusion The Metric four-link rear suspension is here to stay for a while. That is the best description of the result of the dynamic force that influences each system. Metric Four-Link Suspension Design - Circle Track Magazine - MotorTrend 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. Off-centered adjusters can be very inconsistent. Make small adjustments, about one half of one percent. Circle Track Wheels. We are at a crossroads at this point in time with setup technology in asphalt racing. This will help keep your ride heights in the ballpark. Conclusion I drive both a metric (my truck) and a leaf spring car (ss). Love it when people explain why somethings done rather than just saying this is how its done., Thank you Jeff! 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. Street Stock Dirt Oval Racing - All the dirt, clay and pavement-racing excitement in a 1:10 scale RTR. That move took this design to the next level. 122. Most guys that are fast there are fast everywhere. 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. 6. I would like know what the ic would be on a g body with a 9 inch in the rear with stock suspension. Sometimes weather differences will require changes to either tighten or loosen the setup. My Metric Front end setup | The Dirt Forum - ProBoards With allot of experimenting I found a way to really get the car to hook up. When the track is cooler, you may want to loosen the car some. 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. Only at teamsimkins.com. I measured ours at close to 20". Modified Chassis - Howe Racing Enterprises, Inc I wondered if a 3 link could be made to work well without them. The CCMS rules allow 3rd link and panhard bar. I don't know much about spring adjusters hidden or otherwise but I'd say they could be made to work. racing aspirations Moment Center for Circle Track Add to . METRIC CROW FOOT Other Items Online Auctions 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. Asphalt Oval Racing Parts for sale | eBay Always try to start with the track bars first. I would trail brake or lift earlier. In the same manner, we can lower the rear mount of the upper link and lower the upper IC. Metric Chassis Roll Centers - Lone Star Speedzone Forums Those cars are coming around becoming competitive. The rearend needs to be aligned at 90 degrees to the centerline of the chassis and/or to a line through the center of the right-side tire contact patches. did desi arnaz jr have a stroke; moose tracks vs cow tracks ice cream Take a look at a metric street stock rear suspension video. Street Stocks Dur-A-Flex Racing Plan to win in a repeatable fashion. This guide was awesome! We were allowed weight jacks and after market uppers in front also. Any angle up hill to the right rear will cause upward force on both tires and unload both tires. It costs just as much money, if not more, to run poorly, so you might as well learn to run well. jp. Setup Tips for Metric on asphalt racecheep. camaro street stock setup camaro street stock setup This will loosen the car, and that's undesirable, especially on dirt. This setup guide also has new information based on the changes that go along with the new version of the sim. 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. the radiator. 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?" Thanks a lot for making it. Speed and how it is made - Bsbgofast.com Your statement that the 3-link is what the metrics needed to level the playing field is the type of feedback that tech. On a metric four-link car, the four control arms determine the rear moment center height too. So, we must make due and set up these cars the best we can. 321. 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. SUCH AS SPRINGS, SHOCKS, SWAYBARS ETC. The effect is huge. 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. Do not seek aero downforce at the expense of aero drag increase. I once drove a metric on both dirt and asphalt. The upper IC is to the rear of the rearend and the IC for the lower links is well in front of the rearend. LIT-718 80291 1997 - 2004 Mustang Radiator. 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. 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. . I have little experience on dirt but can definetely notice this! -3 . 03 0@ 34-.=- 2 ++(+'o $ (&%q qqqqqqqqqqqqqqqqqqqq ,&%q qqqqqqqqqqqqqqqqqqq qq (,%q qqqqqqqqqqqqqqqqqqqq ,,%q qqqqqqqqqqqqqqqqqqq qq It must show a consistent gain in performance and a logical ideology to the bulk of race teams. SmartPad BP-30 is a race only pad for heavy braking on dirt, and intermediate needs on asphalt. Thats with a 305 a ton less HP. Christjohn has been racing street stocks for 13 years and has amassed 74 feature wins and 4 track championships. For the lower links, lowering the chassis mounts at the front of the link lowers the rear RC. If the car feels loose on corner entry, lower the left track bar. Contact Us.