However, that is only one of the three basic geometric ways to move a tire on a race vehicle. 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. A 1/2 inch height change from level can make significant handling changes. LIT-718 80291 1997 - 2004 Mustang Radiator. If the LR tire is too cool, then the RR spring is too stiff. Always try to start with the track bars first. Thats the theory and the science anyway. Since mustangs have a similar rear suspension would these same mods work? 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 . 2.Now set toe out. Also pinion angle with stock bushings. 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. This chassis utilizes our very popular double slotted strut style front clip. SmartPad BP-30 is a race only pad for heavy braking on dirt, and intermediate needs on asphalt. We have continually pressed these issues because of the extreme importance they have. There are some different lower a-arms and front suspension things to make them even better. I would suggest going to www,4m.net to the tech board. Tire Tools. Adding neoprene bushings to all of the connection points will unnecessarily restrict movement and cause the chassis to be stiff in roll. jp. Both of these are necessary components that will be needed to win championships. The driveshaft alignment is critical from the standpoint of mechanical efficiency. Grill tape is nothing more than duct tape. The 1st thing we will need to do is look at the car, where are we with your current setup and how far can we go with that setup. race pictures, racing news and season updates for the Frost Racing Team. 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. First of all, the design is intended to solve several problems. What do you think Nick? I would say 99's priorities worked just fine. . 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. With all the negative BS that tends to permiate these boards these days, I thought maybe we could talk about something real and constructive. How to Lower the Cross Weight in an iRacing Setup. We took all the cross out like Lee and trailed the RR and did not use much stagger. View Profile View Forum Posts Private Message Visit Homepage 02-25-2021, 09:09 AM. Free Download Chapter listings from Street Stock Setup Maual 2.1.pdf (PDF). I also vote for weight jackers in ALL SS or Sportsman level cars simply because they're so cheap and make life so much easier for the teams. If the car feels as if it wants to break loose under throttle in the center or on corner exit, or drive off the right rear wheel (wheel spin), increase the cross weight. The fruits of this plant are large and can weigh over one pound. Do not attempt to open the setup file in Windows. There's a happy medium between running just the right soft right rear and going too soft. 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. Billy Becka's 29 car, as he mentioned, was fast at SAS, but THR and SAS are very different beasts. Current Stock: Quantity: Decrease Quantity: Increase Quantity: Save to Wishlist. Chassis Setup Docs Hyper Racing. 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. 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. 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. I ran a street stock/sportsman from 1995 to 2000 with a metric frame. Is this why Im wearing out the right front? That is the best description of the result of the dynamic force that influences each system. 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. Truck99August 22, 2005 in Grease Monkey Hangout. competition. JEFFREYS Fabrication is coming soon!!! AFCO C2 METRIC PADS $179.99. 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. Conclusion The Metric four-link rear suspension is here to stay for a while. Each suspension system desires to do its own thing when lateral forces are introduced from the car going through the turns. If we can raise the upper front link mounts, we can lower the rear RC by lowering the upper IC. 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. See All - Best Selling. All customers interested in purchasing, repairing, or setting up a Howe-Eddy modified should contact Travis Eddy at Eddy Performance (989) 948-8005. . would be able to run on asphalt with the leaf spring cars. So, we must make due and set up these cars the best we can. Now you have to compensate with spring change. I ran a metric street stock at HMP for a number of years and was definitely not at a disadvantage. 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 . The settings, including the moment center location, really do dictate how all of the other parts and pieces of setup will work. To download a copy of the E-book, simplyclick on the link below. Long gone are the days of saying that the MC is not important. X-Y-G METRIC STREET STOCK / SPORTSMAN HEADQUARTERs 704-784-5353. The metric cars can use different size spring spacers as well, so the playing field is already level in that respect. Hobby Stock - (USRA/IMCA TYPE) Street Stock - (WISSOTA TYPE) Stock Car - (USRA/IMCA TYPE) For many gardeners, it starts with tomatoes. 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. Dirt Modified IMCA, Local Tracks. I don't get too many reports of continual, repeated wins and successes. Click.