After scaling the car and moving the lead around as much as I could before the last race, we were at 54.2% LS, 51% Rear weight and 125# of LR Bite. It is a static measurement and you are throwing it in a dynamic world. Weight distribution and cross weight (a.k.a. The Barr family #23 . For example, let’s assume your car weighs 2,500 pounds race-ready but without any ballast. Guess they really would not be in the same catagory as the other Dual Sport Bikes. You can weigh with out the driver as long as you consider the variables that will change. In most cases, it can […] Blind Barney Dirt Maniac Total posts: 120 posted March 28, 2005 04:37 PM ... You guys put way to much stock in percentages. Dirt Front Spring Asphalt Front Spring: RF: LR: Dirt Front Spring Asphalt Front Spring: Dirt Front Spring Asphalt Front Spring: RR: 3200 - 3400 Lb. ... Why would you add 100 lbs help you i dont get the idea behing add weight to go faster. such as springs, shocks, swaybars etc. c. Stock appearing fiberglass/plastic roof is permitted. Track conditions can range from wet and sloppy, to very moist, black slick, dry and dry slick. We’ll also assume you have a 200-pound driver, your minimum weight allowed is 2,900 pounds, your recommended rear weight is 50 percent, and your maximum left side is 56 percent–a common scenario for circle track competition. : “Dirt Grand National” series and Street Stock Monte Carlo. b. Valences added to the front fascia (nose), plastic rocker skirts or quarter panel extensions will not be permitted. that are cheap and appear stock. Place ballast wherever convenient as long as the desired weight percentages are attained. The last two articles in this series focused on the balance of left side weight and wedge and how they work together to get the car to turn smoothly through the corner. Street Stock 72-77 GM/Ford full size; LF: 900 1000: 1000 1200: RF: LR: 250 250: 200 200: RR 3200 - 3400 Lb. They are the cause of too many debris cautions. a.) chassis and suspension - street stock racing cheats/tips? The following kitchen science example demonstrates how chassis weights and preload work. 8. for 78-88 gm metric cars. As long as you factor ride height changes and the weight differential scaling with out the driver can work fine. I would estimate they are within +/- 1/8 inch. The track is a 1/2 mile clay egg-shaped oval...one turn is noticeably tighter than the other. Well here are the dry weights of my three favorite street legal D/S bikes, or should I say dirt bikes. Ideally, you should keep ballast between the tires and as centralized as possible when setting your weight percentages. Dirt stock car right front spring. are helpful tools for tuning your suspension. Sadly, many racers misunderstand these properties. If you start with these staggers on the rear (and on the front is recommended) you may find the car to be extremely loose on exit and possibly in the middle of the corner. preload, bite, etc.) - anybody know of any street stock racing cheats/tips. Bite and Wedge Delta are important for oval racers, especially on dirt ovals. It is really a matter of personal choice. Cross Weight = Right Front + Left Rear. Driver weight tends to vary a bit so having the driver in the car insures the most repeatable results. I race a nova Imca stock car. 2012 KTM350EXCF 241.1 lbs 2012 Beta RS350 247 lbs 2012 Husky TE310 247 lbs Now we’re going to look at how the right front spring rate works to help maintain a balance while the car turns through the corner. True b.) The setup for wet and sloppy versus dry slick is on two polar opposite ends of the spectrum. When we bought this car, I was told to run 54% LS and 52% Rear weight percentages with 125# of LR Bite. Since oval racers only turn left we can balance the car for better grip in … Cross Weight % = (Right Front + Left Rear) / (Left Front + Right Rear) When balanced the Cross Weight % will be 50%. The tire staggers on this page are fairly accurate. False c.) Not Sure. Weight placement and moment of center also affect weight transfer on a car with rear steer setup.

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