Dirt late model 4 bar angles. This might be a little different than you are used to. You can take all you know about chassis tuning toss it out the window when you deal with these cars today. These systems employ sensors strategically placed throughout the vehicle to collect real-time data on various parameters, including speed, acceleration, braking forces, suspension travel, and steering angles. While it has the same function, its name depends on its shape, which depends on where the bar is mounted to the pinion. This Playlist has videos on how to tune rear 4-link dirt late model suspension. Chassis and Suspension - Dirt Late Model Tuning Help - If you are racing a dirt late model and are struggling getting car handling every time you go race. In this video Dave Hammond talks about why now and how it works compared to a lift bar. what is the max angle I can run on my upper triangulated 4 link bars the lowers are strait with the frame and level at ride height going to start to if my four link program gives me a number for pecentage of anti squat lets say 100% and i can obtain it thru several diffrent bar positions is the car going to act any diffrent or is 100% antisquat the same no matter where the bars are set? For info on adjusting 4 link suspension see my Detailed Track , Adjustment Guide (32 pages long) for dirt late models and applies to 4 link MODS follow link below. Not anymore. This video will give insight to common dirt late model left rear 4-link suspension. 2311 Ɣ www. com is an educational website that focuses on teaching and showing racers and race car enthusiasts how to work on and how to improve their cars and racing program. There 4 Link Angle and Bar Lengths I'm building a 23 T Bucket with a 650hp 427 Side Oiler. TeamGRT. Now you can be as soft as possible, as long as possible, without bottoming out on the cross member. A complete guide to setting up and adjusting the Dirt Late Model and 4-link suspension. Industry professionals, top companies, and racing legends pass their knowledge onto you with instructional informative videos and tech columns. The frontends are wedges that scoop the oncoming air up and over the car. This was first tried by Billy Moyer at my urging on a Rayburn car in 1997 at the Hav-A-Tampa Dixie Shootout, the final race of the top Dirt Late Model touring series held at Dixie Speedway in Woodstock, Georgia. This upload begins the process of replacing the old four bar brackets circa 2008. It takes major know-how to keep up with the suspension trends in Dirt Racing today. Check out Circle Track as they review dirt racing and the importance of shock tuning. From what I gather I assume it'd be best to set the top rear link bars at an angle of 6 to 8 degrees upward from the axle to the frame. 4) RaceKnowHow. (see illus. He goes over lengths, Angle, Finding Angle, Indexing, and more! This guide of dirt car suspension setup is designed to help improve handling and performance using the technology of professional dirt racing teams - Circle Track Magazine Setting the Panhard Bar J-bar: Start with the J-bar located even to 1” below the center of the pinion of both 9” and quick change. DIRT LATE MODEL SETUP SHEETS 1999-2000 & Earlier Warrior 4-Bar - Page 1 2001 Warrior 4-Bar / Z-Link - Page 1 - Page 2 - Page 3 - Page 4 - Page 5 2002 Warrior Overrail 4-Bar - Page 1 - Page 2 - Page 3 - Page 4 - Page 5 2003 Warrior Underrail 4-Bar - Page 1 - Page 2 - Page 3 2004 Warrior Underrail - Page 1 - Page 2 - Page 3 - Page 4 2004 Warrior The progress on the dirt late model update of the Mastersbilt has been moving right along. Discover essential tips, configurations, and optimization techniques to dominate the track! Double Bump Spring for Right Front of Dirt Late Model The double bump spring allows you to have a dual stage bump spring rate, to keep the front end down. In this video Tader Masters talks about the left Rear 4 Link. com covers Dirt Late Model racing like no other publication, magazine or website with massive amounts of original content including videos, photos, stories, columns, blogs and more. Aug 15, 2018 · 4 LINK DIRT SUSPENSION TIGHTEN CAR ON CORNER ENTRY • Raise left side frame mounted panhard bar on chassis • Lower panhard bar on pinion mount • Stiffen left front spring • Raise left side ride heights (rock up) • Soften 6th coil spring LOOSEN CAR ON CORNER ENTRY • Raise panhard bar on pinion mount • Soften left front spring • Stiffen left rear spring • Increase left side In this video Mike covers a question on 4 Bar angle left to right or 4 Bar Toe. GRT B-Mod Set-Up Sheet Modified Brake Line Diagram SHOCKS & SPRINGS SET-UP'S Tuning with Shocks (LR Behind Late Model Set-Up) Tuning with Shocks (Standard Late Model Set-Up) Tuning the Car with Springs GRT Race Cars Adjustment Guide * 2000 and older Late Model chassis numbers are close, but could be plus or minus one year J-Bars or Panhard Bars? In a dirt Late Model race car, this bar controls the car’s roll center. Re: any dirt late model guys? help road race car. Topics include safety, suspension, brakes, engines, fuel systems, driving 9” Rear End - measure and set at 16 1⁄4 (for 1 1⁄2 “ under rail), or 16 3/8 “ (for 1 1⁄4 “ under rail)” from the inside of the lower right frame to the lower center bolt of the 9” center section. Mike Nuchols talks about adjusting angles, length, and more! 83 S. J-Bar talk with Billy Moyer Jr. Jul 1, 2011 · The parallel four-link rear suspension is common to Dirt Late Model, Dirt Modified stock cars, and Sprint Cars. 4-Link Late Model guys are taking a new look into running a Pull Bar instead of a lift bar. Further: Lower J-Bar (both ends) = more chassis roll = tighter Higher J-Bar (both ends) = less chassis roll = looser More J-Bar angle (lower on the axle and/or higher on the chassis) pushes the left rear harder into the track surface and reduces the sliding action of the rear tires. To get a copy of my book on Am In this highly requested video topic we take a look at 4 -Link Bar angles with one of most respected men in modified racing. The original purpose for using the four-link suspension was to have a suspension A four-bar dirt Late Model rear suspension is designed to have a large range of rear steer. 4 link rear suspension is some of most complex geometries in motor sport. He covers rod lengths, angles, indexing, double stack configuration, plates, and more in this in-depth video on how the changes in the left rear 4 link effect your race car. Dirt modifieds are also using better hoods and roofs that will make use of any aero downforce. Master your dirt late model performance with our expert setup guide. On asphalt and even the dirt Late Model cars, a 10- or 15-pound split does what is needed. 679. If you like this video and you are interested Welcome back to the channel! In this episode we cover making a new 4 bar bracket for the left side birdcage on the Black Diamond dirt latemodel. This is commonly referred to as J-Bar rake. Lol. I am available for hire if not booked up so feel The J-bars commonly used on dirt race cars are generally mounted to the right of the axle’s centerline and inclined upward toward their left chassis mount. Discover setup secrets, tuning tips, and performance hacks to dominate every race. If you haven This video addresses two main problems that teams deal with on a regular basis in dirt late model racing. How 4-bars work, what each change does and tips for car handling. This is my take on tuning a four-link chassis as we find on dirt late models and dirt modifieds. Eldora Speedway's World 100 and Dream, the Dirt Track World Championship, Lucas Oil Late Model Knoxville Nationals and all the major races are covered along with the major tours, including the World of Unlock speed in your dirt car with our guide to J-bar tuning. The two most critical factors to the performance of a 4 link suspension are the link lengths designed into the suspension and the angles to which the links are adjusted. Follow along as we set up the suspension in our Dirt Late Model project car including the front, rear, and driveline geometry as well as the spring setup in preparation for our first shakedown /how-to/chassis-suspension/ctrp-1006-dirt-chassis-setup On tracks where there is plenty of moisture and the grip level is high, we can set up the dirt Late Model more like an asphalt car with even spring rates in the rear and a higher average J-bar. It is the latest voodoo from last season. I was just plain dumb about dirt cars back then, but I knew that moving the bar to the right side chassis would be more consistent. In this video Mike Nuchols from Warrior Race Cars gives us an advanced look and update on Left Side 4-Link Adjustments. A well designed 4-link provides good forward bite and the proper amount of roll steer. Stock Car Racing, NASCAR, Late Model, Sooner Speedway, Frost Racing Team, Race Links, Chevy Monte Carlo #47, Information, race pictures, racing news and season updates for the Frost Racing Team. Don Adams of Lightening Chassis uses a visual display to explain the effects of bar angles, lengths, and more in this highly in depth part 1 of this 2 part video. In this highly requested video topic we take a look at 4-Link Bar angles with one of most respected men in modified racing. Broadview St. The frame mount should start 5-6” from the bottom of the 1 3⁄4” main rail to the center of the rod end on the frame side of the j-bar. With it we can set the side-to-side measurement, which allows us to define the placement of the rear-end from one side or the other. A short, straight bar mounted to the left side of the driveshaft is a Panhard bar. The wheel wells are shaped to route air out and away from the front tires creating downforce. A Z link or Swing arm, both names for a watts linkage based suspension, are very capable of rear steer. We feel the YouTube Racing Community is strong with years of experience and we embrace . Rear shock dampening control is needed after making any extreme bar angle changes to that style of suspension. I help teams across the country in person and online via consulting and videos on set up, tire grooving and so on. That sends more downward vertical load to the right rear as the car turns. Master the track with our expert dirt late model adjustment guide. In 5 Myths About Racing Shocks: Busted, we highlighted that horsepower is important, but an ill-handling car will not efficiently use it by not allowing the power to put down or stay stable at high speeds. I did a video a while ago about panhard bars, but I keep getting questions. For info on adjusting 4 li In the 2nd part of our 4 Link Adjustments Overview 2021 edition, we look at the right side adjustments. Quick Change Rear End - measure and set at 12 3⁄4” between the flat lip on the bell and inside of the right frame rail. My top bar is 18" and the bottom bar is 20". Don Adams of Lightening Chassis uses a visual display to explain the effects of bar angles, lengths, and more in this highly in depth part 1 of this 2 part video See all these and over 180 racing know-how videos Setting Up Your Racing Suspension for Dirt: What NOT to Do Horsepower and muscle used to rule dirt racing. Learn how adjusting height and angle impacts chassis roll, side bite, and handling. com Modern dirt late model racing heavily relies on data acquisition systems to optimize car setup and enhance performance. The adjustability allows the racer to make adjustments for the changing conditions that occur on dirt surfaces. The key to correctly designing and tuning a 4 link is to understand the significance of these two factors. The tips and tricks are mt own personal go to chang Now you could also make a way to change the forward and/or rear lower bar mounting position and in essence end up with a factory but modified adjustable 4 link. The bottom bars are Downward bar angle in a car that works off of separation wont add bite but it sure will in Pro Mod car Upward bar angle will add a ton of bite in slower race car With largely unencumbered rule sets in top tier series, suspension tuning has become a focal point for many dirt late model teams’ programs, encouraging experimentation and innovation in the pursuit of quicker lap times. each rear tire is affected in proportion to each tire's distance from the panhard's axle mount points. by Bubstr » Sat Aug 04, 2012 4:10 pm Seems to be a little, misinformation somewhere. This basic tech tip guide gives basic knowledge on left rear tuning, things to look for and how to adjust, set Master the dirt late model setup with our expert guide! Learn tuning tips, suspension adjustments, and more to dominate the track. This Video explains forces generated by these rear ends. The four-link dirt Late Model cars sometimes have the springs installed at high angles, with the top of the coilover positioned well inside the framerails. The placement of the rear-end directly affects how and where your shocks and 4-bar rods are attached. DirtonDirt. With help from legendary suspension expert Jerry Bickel, this article explains how to properly set up your drag race car's 4-link suspension. The outer spring starts compressing the last 1” of travel of the right front. So, I decided to do another video. Greenbrier, AR 72058 Ɣ Phone: 501. As you can already see the J-bar can have a major impact on how well or how poorly the car handles. INDEX: Chapter 1 - Introduction to Dirt Oval Chassis Setup Chapter 2 - Tires Chapter 3 - Springs, Shocks, and Chassis Height Chapter 4 - Toe, Camber, Caster, and Wheel Spacing Chapter 5 - Droop Chapter 6 - Camber Links and Roll Centers Chapter 7 - Wheelbase, Kickup, and Squat Chapter 8 - Sway Bars Chapter 9 - Transmissions and Drive Train Become part of the team by following Sam and Drew as they prepare for the 2021 dirt late model racing season. Nov 26, 2018 · The panhard bar is a critical tuning aid in a modern dirt late model running a four bar rear suspension. He goes through each bar on both sides and discusses the effects and what angles have yielded the best results during his testing and application. Keith Masters of MasterSbilt Race Car Chassis said, "The reason chassis builders build 4-bar cars is because of rear steer. Just look at the dirt late model cars and how they have evolved. Includes: Front suspension and steering Rear suspension: adjusting the 4-link for all conditions, panhard bar adjustment, using a dummy shock, clamp brackets, right rear double spring setup, swing arm suspension Tuning with 5th and 6th coils Tires - selecting and grooving DLM handling dynamics Chassis According to Bickel, a ladder-bar suspension normally requires degree of pinion angle, a four-link requires 1-2 degrees, and a leaf-spring suspension requires up to 6 to 7 degrees. 4-BARS (STANDARD) Left Lower: 3rd Hole up (6 to 7 Degrees) Left Upper: 7th Hole up (23 to 25 Degrees) Right Lower: 4th Hole up (Level) Right Upper: 5th Hole up (18 to 20 Degrees) *IMPORTANT 4-Bar Note: NOTE: the effects of angle are the same for panhard bars mounted to left or right side of the chassis. Some say they are a little easier to dial in rear steer than a 4 link. This video is all about maintaining the preload on the right rear when extending or making changes to the left rear suspension. qhxus1, hg0o, b7hro, bxjqn, ui99, wftmi, usfh, xq5dob, tb3mz, 8z2y,