Dirt modified 4 bar setup. If you use Index Plates make sure they are properly calibrated to Unlock the *secrets of 4-link suspensions* for drag racing! 🚗💨 In this video, I break down everything you need to know about *4-link setups, including tuni We highly recommend that you build a full-scale working model of your 4-link, or use the design parameters mentioned in this article, to help you to better understand the 4-link suspension. 102. And several other well meaning but very dangerous pieces of advice. This will eliminate one variable and make it more consistent when you scale. If not use your race tire with the proper offsets, stagger, and air pressure. By clicking on the contents you will be taken directly to the info your looking for To adjust RR drop link Prior to Competition the following is needed – A Lever Surface, Driver in the Seat, Complete Set-up, Set Tire Pressures, Proper Fuel Load, Remove bolt through Drop link Heim and Dri-Bar, Adjust Link to allow bolt to be replaced WITHOUT any load on Dri-Bar, and Tighten. MODIFIED SET – UP MANUAL Modified Set-up Manual Technical Information Available at 515-432-6972: 8:30am-4:30pm Monday thru Thursday 8:30am-3:30pm Friday At Harris Auto Racing we manufacture our own chassis designs for the Modified divisions. Learn step-by-step how to set ride heights, alignment, and scale your car for more speed. 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. Set Up Procedure 1. iRacing is the leading online racing simulation. I’m new to the modified world as I’m coming from FWD 4 cylinders. I like to say that “there a thousand ways to bake a cake, you simply need to find the recipe that you like. Here's some general reminders to remember during set up!. If you're willing to try the asymmetrical 4 link set-up, please report your results back to us. There Well intentioned people were trying to give someone 4 link advice by telling them which exact holes in the brackets to move the bottom and the top bars to for adjustments. Eldora hosts the biggest events in short-track racing including the Dirt Late Model Dream, Kings Royal and World 100. 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. *TP Designed pull bar with 2 yellows, 1 red and 1⁄4” pre-load *Should check biscuits every 3-4 nights for height changes and for durometer change *Replace every 6-7 nights *Grease biscuits regularly- inside of canister outside of biscuits!!!! Grease everything, it will help the biscuits last longer and also improve the This is my take on tuning a four-link chassis as we find on dirt late models and dirt modifieds. This is commonly referred to as J-Bar rake. I've heard different procedures. Dri-Bar Parts List for the Dirt Modified Division Dri-Bar Installation Instructions for Dirt Modifieds Remove bolts and adjustable arm from end of torsion bar Remove bolts and caps from chassis clamps attached to torsion bar Remove caps that hold chassis mount to torsion bar – grease both halves Re-install caps and tighten bolts Insert bar across and on top of frame in front of fuel tank Re Joes 25337 - Wide 5 Cast Accelerator Hub Kit - Bare PFC 900. 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. 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. My instant center is located behind my center of gravity. com With help from legendary suspension expert Jerry Bickel, this article explains how to properly set up your drag race car's 4-link suspension. *TP Designed pull bar with 2 yellows, 1 red and 1⁄4” pre-load *Should check biscuits every 3-4 nights for height changes and for durometer change *Replace every 6-7 nights *Grease biscuits regularly- inside of canister outside of biscuits!!!! Grease everything, it will help the biscuits last longer and also improve the Dirt modified setup basics for interested fans and new racers. *Please help us out - DO NOT STEAL OUR HARD WORK and only Link to our pages instead of our files. Update: Lets start at center of pinion with a 6" to 7" split on mounting points and tune the split to the speed of the track. It’s 4 bar with z-link. A place for racers to share and help with modified setups and adjustments The parallel four-link rear suspension is common to Dirt Late Model, Dirt Modified stock cars, and Sprint Cars. Greenbrier, AR 72058 Ɣ Phone: 501. Do not add any pre-load into the bars. Install scale tires, with proper wheel offsets. How 4-bars work, what each change does and tips for car handling. TeamGRT. 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. *A 90/10 shock should be used with all pull bar applications. 62" Dirt Defender - Vented Wheel Cover - Dark Blue QA1 - 53 Series Stock Mount Shock - 4/4 Valving Aeroquip - Aluminum Tank Weld-On Bung | -16AN AP Racing - Stainless Steel Pistons Howe H3007 - Replacement Muffler Packing Hyper Racing drivers made a strong showing at the KKM Challenge Series stop at US-24 Speedway, with James Roselli earning his first national tour win on Friday and Christian Bruno and Steven Snyder Jr. 679. The tips and tricks are mt own personal go to chang Chassis Setup Birdcage Timing page27 page28 page29 Brake Balance Bar Setup page31 page32 page33 page34 page35 Calculating Weights and Percentages page18 page21 Front End Setup page23 page24 Radius Rod Locations page36 Rear End Setup page25 page26 Scaling Procedures page20 Torque Arm Slider Setup page30 Torsion Bar Pre-Load Instructions page19 Currently, my bars are set up with the lower bar level and the upper bar located to give 69 % rise on a 137" wheelbase car. Industry professionals, top companies, and racing legends pass their knowledge onto you with instructional informative videos and tech columns. This information applies only to 4-link rear suspensions having links floated on the rear axle with all links running forward. A tech article on stock car handling dynamics and suspension setups. This basic tech tip guide gives basic knowledge on left rear tuning, thin /how-to/chassis-suspension/ctrp-1006-dirt-chassis-setup In this highly requested video topic we take a look at 4-Link Bar angles with one of most respected men in modified racing. 03 - Piston Cap Kit - 1. 2,960 likes. both landing on the Saturday night podium. The original purpose for using the four-link suspension was to have a suspension 83 S. The knowledge we provide takes the mysteries out of chassis set-up and tuning and eliminates guesswork and misunderstandings that are so common for most racers. Pinion angle is 3 degrees up. This article explains the workings of the 4-link suspension and the tuning methods used to maximize its performance under various track conditions. This video will give insight to common dirt late model left rear 4-link suspension. 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 Scaling a modified. 21K subscribers Subscribe In this tech article CIRCLE TRACK provides a dirt chassis setup guide which delves into the critical elements of a well designed dirt tack race car to help you get prepared for the new season A standard setting for most J-bars would be 8-9 inches from the bottom of the frame to the center of the J-bar heim. Open A mod 4 bar car. I am not an expert on suspensions Specific Car Setup Adjustments: Detailed checklist of adjustments for different car handling scenarios, with specific component changes. 4 link bar angles, setting up 4 link suspension, anti roll bars, coil over shocks. The 4-Link Difference Dirt Modified Setup Guide - Based on the IMCA style Mods Dirt Modified racing is one of the more inexpensive ways to get into full scale circle track racing The class seems like it has been around forever and it s What’s everyone’s go to adjustments when track slicks off 4 bar Imca mod looking for little tighter in and middle not much as cars pretty good. I've tried to make this guide simple to use & easy to understand. REAREND LOCATION 3-LINK: LOWER TRAILING ARMS 15 ́ CENTER TO CENTER 4-BAR: LOWER 4-BAR LENGTH 13 1/2 ́, TOP 4-BAR LENGTH 16 ́ 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 DirtonDirt. Dirt Late Model and Dirt Modified Panhard Bars Part 2; How Panhard Bars Actually Work Hogan Technologies 3. 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. You can take all you know about chassis tuning toss it out the window when you deal with these cars today. Your power level and low torque output on limited traction tires might be the perfect combination to assess his approach. A complete guide to setting up and adjusting the Dirt Late Model and 4-link suspension. Topics include safety, suspension, brakes, engines, fuel systems, driving techniques, body work/aerodynamics, new products, and everything in-between. Thank You! The "ULTIMATE" Racing Car Chassis Setup Guide and Tutorial How to Use this Guide The information in this guide may change without notice. Find all the details inside Circle Track Magazine Dirt modified/limited mod setup and adjustment help. 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 Industry professionals, top companies, and racing legends pass their knowledge onto you with instructional informative videos and tech columns. Remember that these setups are only starting recommendations according to your track surface and degree of banking. 2311 Ɣ www. com The purpose of this tuning is to help you enjoy racing dirt oval, and help you understand the many chassis adjustments available to you to change your car to suit both track conditions and your driving capabilities. This video series is done as a thank you to Mike Kraft and KC CheeseWorks for all the videos Modified Standard Car Set-up Sheet For 2011 & previous year cars *APPLIES TO ALL CHEVELLE 4-BAR CARS* RIDE HEIGHTS: Baltes chose to sell the legendary high-banked clay oval to motorsports entrepreneur and NASCAR, IndyCar and USAC champion Tony Stewart in 2004. 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 Nov 16, 2010 · In this chassis tech article CIRCLE TRACK provides some advice and insights for nailing the suspension setup on your Dirt Modified race car to help you find success early - Circle Track Magazine 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 Please select one of the following pages to get setup notes for your Warrior Race Car. ” Not all Even though real dirt cars don’t have sway bars, the ones in the game must have them (because we are using an asphalt game to run on dirt). 83 S. You should have a set of tires and wheels (with correct offsets) that you use for scaling purposes. Broadview St. 6H8K; , 6H AH8K;L ! ( , Rear suspension view of a Larry Shaw Modified rear 4-link on UMP tires. I don’t know much but willing to learn as much as I can as I go… the car itself isn’t getting up on the bars as it should but has the power and potential to. Adjusting the sway bars will vary with the springs you run as well. This video addresses two main problems that teams deal with on a regular basis in dirt late model racing. Our mission at the RaceWise Dirt Track Chassis School is simple: help racers of late model, modified, and street stock-type dirt racecars improve their racing program. The standard setting on the J-bar would be the center of the pinion. Setup Info for 4-bar Modifieds: Provides detailed setup information specific to 4-bar modified race cars, including shocks and spring settings. 75"/1. If your running a long LR spring you take it out and use a scaling spring. Master your dirt modified with this complete 2026 chassis setup guide. It’s tight on corner entry/center of corner but snaps loose on exit. Center of gravity ends up at the converter @ cam height (28" from the ground on this particular setup). The advice was ranging from, put the top bar in the 4th hole down and move the bottom bar in the end hole. Please note that there are many ways to setup a car. The panhard bar is a critical tuning aid in a modern dirt late model running a four bar rear suspension. Use setup rods set to ride heights. 900. This Playlist has videos on how to tune rear 4-link dirt late model suspension. This might be a little different than you are used to. In order to be competitive and win, it's important to find the right set up that works for you and your car. Great Mike!!! I wanna bet on the Bill's Theory!! I think its possible! APPLIES TO 2012 AND NEWER GRT B-MODS WILL ALSO WORK FOR OLDER CHEVELLE CLIP CARS By lowering left bottom 4 link rod on chassis, you hold spring load longer in the left rear behind during chassis “hike up”. Pull an axle With 'Tires Designed for Champions', Hoosier Racing Tire is the largest race tire manufacturer in the world. Although this will create traction, the adverse effect is often a mid-corner throttle push because roll steer is reduced. REAREND LOCATION 3-LINK: LOWER TRAILING ARMS 15 ́ CENTER TO CENTER 4-BAR: LOWER 4-BAR LENGTH 13 1/2 ́, TOP 4-BAR LENGTH 16 ́ Master the dirt late model setup with our expert guide! Learn tuning tips, suspension adjustments, and more to dominate the track. We cover how to setup your 4 link suspension for radial racing (or for se *A 90/10 shock should be used with all pull bar applications. In the fast-paced world of eSports, iRacing is a one-stop shop for sim racing. ydpu1, rezv, hlvye, nqkn, azunm, kklb8, g2mu, grjz, bqcq, sw1x,