RAceman. 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. And, it must be economically applied. 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. Both of these are necessary components that will be needed to win championships. Excessive front toe in will make a car turn into a corner quicker, & may create a loose condition. Bite Off The Corners It was either cheat or park it until the rules change. 70030. After you get the cross weight where you want it, adjust the ride heights. 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. Every year, Jack asks drivers for input regarding rules changes for the following year. For the lower links, lowering the chassis mounts at the front of the link lowers the rear RC. We ran the stock lowers but boxed them and put in better bushings if I recall correctly. Its hard to say without more information. Camber was -2 deg on RH and +2 deg on LH at ride height. Location:Austin, Tx. The moment arm is 5.5 inches for the Late Model and is much easier to set up. 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. 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. However, tie down shocks are becoming less and less desirable. 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. Prices listed are with a frame swap option. If you find that the left rear is the coolest tire on the car, then you have a setup balance problem where the rear is too stiff. The surest way to get disqualified is to bolt an illegal part onto your car. It just won't work. There are ways to do that without changing the handling at other points around the racetrack. This would mean we could align the driveshaft from a side view inline with the tranny shaft and the pinion shaft with no angular deflection. As far as I know, all of the iRacing asphalt cars are adjusted the same way. I'd think that without them you'd at the very least need to allow some sort of spring adjuster. Add to Cart. Not sure if there is a standard for metric cars but I havent found any specs on it. 8. The very last thing you need to worry about is your aero package. set the tone for how the parts and setup will work. The effect is huge. Street Stocks Dur-A-Flex Racing. 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. . Brian Wise. Anderson , IN. Maybe not on little tires either. Antidive helps prevent sudden nose dive on entry by mechanically resisting the downward motion of the suspension using the rotational forces created through braking. Adjust the cross weight for more extreme conditions or different circumstances. 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. Setup Tips for Metric on asphalt. Setup Balance Next is engine set back if allowed. If the car feels loose on corner entry, lower the left track bar. Play the all new "DANNY SIMKINS - 11 STRAIGHT - trivia game." 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. Each suspension system desires to do its own thing when lateral forces are introduced from the car going through the turns. Motorcycle. This 7 shock kit includes shocks for every track condition with tips to help fine tune your racecar. 358091 FAB IMPALA, NO UPPER MOUNTS. 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. Polyethylene Film / PE Sheet View all S3SS. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Your email address will not be published. I never felt good about cheating but when everyone does you need an even playing field. Manyof the ideas fit into the gray areas and some of them are outright cheating. 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. -3 . 03 0@ 34-.=- 2 ++(+'o $ (&%q qqqqqqqqqqqqqqqqqqqq ,&%q qqqqqqqqqqqqqqqqqqq qq (,%q qqqqqqqqqqqqqqqqqqqq ,,%q qqqqqqqqqqqqqqqqqqq qq 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. Its important to make even adjustments, meaning you should make the same number of clicks on each spring perch. Balance is spoken of in all types of motorsports these days, even F1. 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. Might go25- 50 pds more on each side and the left side should be more than the right side. 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. Cra bomber, turbo ,etc. The settings, including the moment center location, really do dictate how all of the other parts and pieces of setup will work. A three link with panhard bar using the stock lower mounts works fine. That was it. Before you start your season, you need to create your 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. 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. Street Stock. 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. 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. Get any of Steve Smiths street stock books for general knowledge in the essentials of cam/cas, toe out , roll center etc. This guide was awesome! JP is that the car you wadded up and broke your leg? by RonL Fri Jul 17, 2015 12:02 am, Powered by phpBB Forum Software phpBB Limited, Shocks, Springs, Brakes, Frame, Body Work, etc. Symptoms include bronzing on stems and petioles, curling and drying up of leave, This website uses cookies for functionality, analytics and advertising purposes as described in our. Customer is to bring a clean non-sandblasted frame when picking up the chassis. Of the other two, camber is well-recognized, but for all intents and purposes, the least-understood . On a metric four-link car, the four control arms determine the rear moment center height too. Hobby Stock - (USRA/IMCA TYPE) Street Stock - (WISSOTA TYPE) Stock Car - (USRA/IMCA TYPE) 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. by RonL Fri Jan 02, 2015 12:36 am, Post This force is resisted by the ball joints and control amrs. In situations where the exit portion of the track provides less traction and/or the corner is more flat, we might need to develop more rear traction upon acceleration. Bilstein Stock Car Shock Package Fits the popular metric chassis (4) Front shocks (3) Rear Shocks Stock Mount front and rear Additional Features Nitrogen Gas . 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. AFCO C1 METRIC PADS. 2,224. 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. Check your PM's. View Profile View Forum Posts Private Message Visit Homepage 02-25-2021, 09:09 AM. Strictly asphalt street stocks and parts. The front moment center (MC) location plays a huge role in how the front end wants to work. I'm thinking that a panhard bar would eliminate side to side motion but little else. 1980 Camaro bomber class street stock crate motor ford 9inch. For example, if your initial setup is 52 percent cross-weight, and you want 50 percent cross-weight, lowering the right front or left rear corner will decrease cross-weight percentage. Estler's Mortgage Lifter is ideal for growing in northern climates due to its ability to withstand cooler temperatures better than other varieties. by doing this and the use of lowering blocks the rear roll center can be changed, I know it's not a quick adjustment but it is an adjustment the the metric car in the stock. Its a whole lot more driver and a whole lot less setup on dirt. Car has stock location rear links and stock links , different bushings . Welcome, Guest. We also discuss where we want the roll cente. Splash = 2-3 gallons, 1/2 can = 5-6 gallons, 1 can = 11-12 gallons, 1 1/2 cans = 17-18 gallons, 2 cans = full tank. Aug 24th 2005. SAS I seem to remember being faster than the sportsmans. Raising the rear of the lower links also lowers the rear RC, although in reality this is very hard to do because the links are already mounted close to the rearend axle housing. 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. And, of course, Terry chose to park it. See all 6 photos. Afco Racing Products. Ok im building a new circle track car useing a 1981 Camaro. I think everyone agrees that the old leaf spring cars (Camaros and Novas) are becoming harder and harder to find. I'm thinking about building a B Body for dirt track racing. . Jul 25, 2011. Moving the pull-bar or just the third link to the left increases the loading on the LR tire during acceleration. 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. 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. That's just a thought, i don't know that for sure. Most of the ideas in this book are perfectly legal for any rule book. I don't know much about spring adjusters hidden or otherwise but I'd say they could be made to work. The bottom line is that at mid-turn, each end will want to roll to its own degree of angle. I have had a lot of feedback from teams who did the same with the same results. The MC should always be somewhere close to the centerline (i.e., midway between the tire contact patches). Is this why Im wearing out the right front? 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. Unfortunately, most rule books that I have dealt with are very vague.