Dirt modified spring setup

Dirt modified spring setup

dirt modified spring setup AFCO Racing claims their leaf spring is The advancement is shock technology and the advancement of drivers knowledge with shocks has brought about another swing of coil cars . This package provides more forward bite and side bite than a standard 250 lb. . Broadview St. The double spring right rear uses a 10 x 100 lbs. 3 39 s top guys are running 22. 4561 South State Road 19 Mentone IN 46539 866 703 3154 Contact Us Using Spring Smashers isn t just for the Late Model Racers In this video one of the leaders in Iowa racing know how Jason Fitzpatrick of S amp J shows us how to test Pull Bars and Rear Springs on an IMCA style Modified with a Wehrs Smash Machine. with spring rubbers. Posts 982. The car has been pushing so you keep dropping front spring rate. 83 S. Raise the Rear Panhard Bar both sides . 27. Check us Set Up You can start out with your normal spring rate. . Smooth continuous and consistent arch 2. 600 2000 Progressive Baseline B. The following spring shock combinations are recommendations only. Get sphereical bearings for the rears of the trailing arms so when it rolls it won 39 t bind up. Install scale tires with proper wheel offsets. Set Up Tools and Parts MODIFIED SPRING COVER 5 x 9. 0 22. Raise left side frame mounted panhard bar on chassis. look at the wheels and adjust camber so the contact patch is flat on the table. Dirt late models will typically add a 4 x 400 in. Back to top. 0 inches in the front and 1. Jack the right rear up to ride height. Greenbrier AR 72058 Phone 501. Lower rods a. To top it all off Tru Coil Racing Springs rear coil springs are affordably priced and are sure to meet the racer 39 s Market price 19. Basic Dirt Setup AK1043 AK1043 LF RF LR RR AK1044 AK1044 Rough Dirt Setup AK5555F AK6565F LF RF LR RR AK5030R AK5030R Slick Dirt Momentum . LEGENDS DIRT SETUP T IPS Springs The spring weights used are generally softer in a dirt setup than for asphalt. Center all 4 link rods in brackets on frame 4. rr under rail cars Making Good use of the Current Trends. Extra light cars such as Sprint Cars Modifieds or Late Models under 2000 generally use lighter rate spring 650 Tracks with good bite medium to heavy cars all asphalt applications use heavy springs 900 to 1050 Dirt and 1200 1600 or 2000 Asphalt Dirt track race cars can be very difficult to set up. 15 from axle tube to ride height tab base line Please Remember At Integra Racing Shocks and Springs we bring years of racing knowledge to the products we sell. Decrease RR Tire Pressure Tightens car throughout turn. Dirt Modified Chassis Dial Your Modified Setup. Modified Shock Setup Recommendations Mini Sprint winged and non winged shock setup recommendations Micro shock setup recommendations When the four link setup was run under Tremont s care he won the 1999 Super Dirt Week race with it as well as others around the region. Then add a second spring. Re reverse spring split. Add Ballast in front of RR Spring up high Index into RR Spring 2 rounds top and Bottom 2 Problem 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. Depending on the condition of the track and your driving style there can be two very different approaches to your chassis tuning. erick rudolph mike mahaney aj . second spring for left rear applications. they have been successful previously especially on smooth slicker surfaces guys that have spent the time and done their homework on shocks with coils usually run pretty good . 2017 team grt race cars setup sheet all numbers should be set with driver in car or simulated driver weight ride heights g 60 tires. 5 7M 4 2S1 Heavy Tacky Track 2. Here is just a little hint of what is inside Why softening the right front spring will add side bite as well as forward bite to your car. Adjust the dual lock nuts to just contact the slider spring spacer after It has been my life long search to understand all that I can about dirt track chassis setup. TeamGRT. I was asked this week by a racer in a different type of dirt car if the information in my books would benefit him. What to look for in a quality leaf spring 1. I thought it would. lr will be set by the amount of wedge . More cross more vulnerable tighter car. . It was in Germany in the 1980 s when Wilfried Eibach engineered the first designs of today s legendary Eibach Race Springs. A softer right front spring will actually cause less weight to transfer to the right front tire. So we can manipulate the spring rates on the four Dirt Modified Setup Log Book. Upper rods a. TIGHTEN CAR ON CORNER ENTRY. E for dirt track racing. What happened was the weld that held the right rear leaf spring in place on the axle housing broke and the right rear axle housing was rotating when they got into the throttle says This options best captures a bit of axle wrap Forward Bite with the thinner overall axle diameters amp throttle turn the tire stagger effect that comes with different left to right axle diameters. Spring Truth 4 Cross weight is a measurement of the car s vulnerability to centripetal forces. S. Softening the right front spring helps the racecar to turn when on the gas because the softer spring causes extra chassis roll that increases the load and traction of the right front tire. Established in 2003 Integra strives to stay on the leading edge of technology to give customers the inside track on what it takes to improve their racing program. 679. Reply 7 10 13 06 at 7 51am. . Directions Install the slider with the pre loader on the left rear back mount with the left rear at full droop. setup more so than a fast setup. This will help your steering tremendously. Knowing What to Adjust Most racing chassis come with a standard _ or Kit _ setup. com TUNING THE CAR WITH SPRINGS REMEMBER quot STIFF SPRING GETS THE WEIGHT quot Recommended Basic Setups. Here are some tips First do not measure the sag Basic Line Setup 4 2S 8 3COB LF RF LR RR 1. An easy up shock is a common term used to describe a shock with stiff compression and soft rebound. Use a point on the frame under the front lower a arm and the rear axle housing. Dirt Modifieds Are A Great Entry Level Class For Many Racers. 12 tube b. These photos show them installed in the Nova rear spring shackle. We still have saved a Typenliste just one sheet of paper from the year 1986 which pictures the first 50 ERS part numbers all metric 60 mm ID inner diameter. 5 1S Stock Mount Stock Car IMCA Hobby Stock. LOOSEN CAR ON CORNER ENTRY. Discussion Starter 6 Sep 24 2008. However technology has changed since then and Maresca believes that dirt modified racing is taking cues from late models for its current technological successes. Set ride heights with the dual lock nuts not touching the slider spring spacer. 5th hole from bottom d. 90 10 shock on top of housing and a long lower link on the right side. Add to cart. This unit will provide the same entry rate as a single spring but will have a softer exit rate. 00. As long as the tires have near quot 1 to 1 traction quot with the ground you should set up your race car like an asphalt car see the Chassis Set up At The Rear For R. It must be installed this way in order to fit the car. DRP LOW DRAG HUB PARTS KIT MUSTANG amp PINTO FRONT INCLUDES BEARING SPACER REM TIMKEN BEARING KIT amp ULTRA LOW DRAG SEALS. Reply 6 03 03 12 at 5 24pm. 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 The quot ULTIMATE quot Racing Car Chassis Setup Guide and Tutorial. SKU DRP 007 10531K. Dec 17 2020 On Dec 17 2020 Last updated Dec 17 2020. Setting sag is the one thing that every rider thinks he can do but normally does wrong. 14 tube b. It is our most commonly used axle combination. This term is widely used when describing a 4 link dirt modified left rear or left front shock. Make sure that the preload ring is turning with the spring and that you are tightening it making the spring length shorter. 5 inches eye to eye and have a true arch of 6 3 8 inches this is very close to the stock arch . Setting should be as follows Left Front 4 7 8 . There are some things in there that do pertain to the type of 2011 DMR Modified Setup Guide Maintaining Your Preparing your race car during the week is just as important as what goes on at the track during a normal night of racing. New Racing Parts and Equipment Dirt and Asphalt Racing A symptom of this problem shows up on torque arm equipped cars as very little 5th coil shock movement. The following is a good place to start Spring Weight Left Front 225 Right Front 250 Left Rear 180 Right Rear 200 Tire Pressure Tire pressures used on dirt are much softer than those used on asphalt and the rear tire pressures are 21 keep in mind the wider rim will take out spring rate in the tire a knower rim will put spring rate in the tire 22 most chassis manufactures will be close on set up percentages front 43 45 left side 54 56 cross 54 62 23 seat setting up higher will transfer weight faster on rf tire Jun 26 2017 What if you are already too soft For example lets say you typically would run 400 39 s in the front of a coil over car or 900 39 s in the front of a big spring car. 15 1 2 on center c. 5 8M1 3. Maintenance Tips The focus is mainly the dirt late model and dirt modified race cars but the general principles I illustrate can be easily supplied to any type of dirt race car or any race car in general. Rates start at 125 and increase up to 300 and are marked on the spring for easy identification. Most companies spend countless hours in 4 LINK DIRT SUSPENSION. After jacking the machine up Nordin was able to spin the shock spring by hand. Right Front 5 . Made a new group page for this so everyone can get a notification when someone post so go like it and share to help it get off the ground. Jet Mod owners can request a printed setup book by calling 888 290 9696. Decrease Right Upper Trailing Arm Will loosen car on exit. 1 Race sag. Failure to properly maintain your chassis or engine will not only cost your team valuable finishes but increase the operating cost for your racing program. No lengthwise twist 3. I still want to play with it some more Essential Part of the Pro Plus amp Pro System Plus. You should have a set of tires and wheels with correct offsets that you use for scaling purposes. Lower panhard bar on pinion mount. LR drop limit by chain clamped to the center of the axle tube use part 84175 kit in cludes chain frame mount and rear end mount. Raise left side ride heights rock up Soften 6th coil spring. Besides offering a complete line of service to our chassis we service all major chassis brands Aug 30 2009. Currently I have toe set at 1 2 and it seems to be doing ok. Not until after reading tons of books talking to hundreds of racers thinking obsessively about it meditating on it collecting analyzing gobs of data and racing for 34 years that I think I may have a big T. spring or 225 lb. 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. Now as an exaggeration you are down to 250 39 s in the front of the coil over car and 400 39 s in the front of the big Set all shock coil kits to 2 from the bottom of the adjustment nut to the bottom of the sleeve. 889 Posts. False c. Pull Bar Spring A. The chassis was designed to be strong safer and easier to drive and setup than traditional chassis. 6 Comments 5 Shares. not much roll steer and easy to drive. Before you start your season you need to create your own list so that you don t miss p Project Description. A fast setup may yield that one lightning fast lap but a balanced setup will be easier to driver for 4 minutes often yielding in a faster overall run. These springs are available with several different rates the most common being 153 pounds or 176 pounds. 5 2. Decrease soft RR Spring Split. True b. For the most accurate Setup and Tech Support download our Scale amp Setup Sheet fill it out with as much information as you can and then fax it to us at 402 228 4796. This leaf spring pro stock had leafs on it. Stiffen left front spring. lf 7 7 8 to 8 from ground to center line of lower a frame bolt . Set the slider nut with 1 8 of gap between nut and pre loader. 2 link with a progressive spring on the torque arm spring all the way forward arm as long as possible light 50 50 shock on arm 73 i think . etc. . Competition Suspension and Bob Harris Enterprises collaborative effort equals the most potent suspension combination in the IMCA Dirt Modified ranks. The eyes are standard GM sizes 2. Mar 03 2008 To adjust for this set the chassis on a flat surface turn the wheels left the amount you use on the track and apply slight pressure on the left side of the chassis pushing to the outside . barrel outer spring. I was working a 10 inch fast boy spring on the lr and standard spring on the right with a 10 inch arch. It may be an affront to most dirt racers to say that technological changes that have The pre loader also allows you to greatly reduce the compression valving in the left rear front shock. The front of the spring is fitted with a solid billet spring eye bushing. Dirt car setup is undergoing a change and has been for about five years now. Increase RR Spring Rate May loosen car on exit. Increase Ballast Forward Decrease Rear Weight May loosen car on exit. Obviously this basic approach was spot on as Jun 10 2017 Walker Evans Racing shocks use a single preload ring no lock ring with holes around the circumference to insert a tool in. Try 1000 r f 1050 l f get 7 to 8 degrees pinion angle. rods on outside of birdcage with 3 4 spacer 3. 5S 12 2COB LF RF LR RR 3 6M 3 3S Dry Slick Track 3 3S1 7 2. Adjust Cross Weight as changes are made to keep the car neutral. Set Up Procedure 1. Move the Front Roll Center to the left. Standard holes on birdcage 1 shorter rod optional e. Here the front Cal Trac bar segment has been pre installed on the spring. The information in my books is general enough that I think they span several types of dirt track oval racing cars. The increase in right front iRacing Dirt UMP Modified Setup Matrix. The design of the car is different than a lot of cars out there and we hope to bring a new perspective to dirt modified racing. inner spring with a 12 x 150 lbs. Springs are one of the primary components we use to set up our car. Chapter 23 page 84 Chassis Setup . 5 inches in the rear. 5th hole from top d. Add to wish list. 5th Coil 93 5 shock with 250 spring center hole V. Circle Track Provides Some Advice For Nailing The Setup On Your Dirt Mod To Help You Soften RF Spring 1 Raise RR Upper Link on Chassis 2 Lower RR Lower Link on Chassis Lower J bar on both sides 1 2 in. Using new computer technology the guess work has been taken out of the front and rear suspensions. It is the purchaser s responsibility to order the correct products through their personal racing experience. Varying spring rates will allow the racer a greater range in their chasiss setup. November 22 2014 . a coil is much easier to keep This term is widely used when describing a 4 link dirt modified right front shock or asphalt cars front shocks. If not use your race tires with the proper offsets stagger and air pressure. a. 2311 www. IV. Slider A Setup To Do List to Get You Started By Bob Bolles Circle Track Magazine . Our setup manual is always free to download. I have had some good times 22. 1200 Slick VI. Maybe try a 100 16 quot spring for the l r it should give you foward bite. 55. O. center hole on bridcage 5. . Aug 11 2014 Spring Truth 3 Front weight is a measurement of the car s momentum in a straight line. Re modified suspension. Not Sure. Increase Left Upper Trailing Arm Will loosen car on exit. Check Tire temps if LF is coolest unbalanced setup Decrease front springs maybe even use reverse split LF stiffer . More front weight more momentum push feeling into out of turns. They measure 53. 5K LF RF LR RR 1. 3 but I 39 m not consistently running those times. 17 1 2 on center c. to 600 in. Track is a tight 3 8 mile oval flat track. Spring Truth 5 Left side weight is a Dirt modified limited mod setup and adjustment help. 32. rf 7 7 8 to 8 from ground to center line of lower a frame bolt . Some Illinois racers noticed the difference figured out why the broken suspension worked better and the results now frequently annoy the heck out of drivers who use expensive sophisticated 3 and 4 bar suspensions. Raise panhard bar on pinion mount. Increase RR Spring Rate on banked track. The distance between the bottom of the axle tube and the top of the leaf should not exceed 4 1 2 quot . Best Suited Track Type Starts heavy or tacky and gets more dry slick through the night. Landrum Performance Springs. Like Comment Share. This will eliminate one variable and make it more consistent when you scale. We are fortunate in circle track racing that we only turn left. The Most Complete Racing Car Chassis Setup Tutorial Guide Available presented by Shown above is a gaming expo fair in Europe that held a contest for the best gamer team in a newly released 1st shooter game competition. Sep 24 2008 Joined Jun 17 2008. These springs are also ground flat on both ends. Use a level surface to set the frame heights WITH DRIVER in car. . In turn the spring has been installed in the OEM Chevy front spring hanger. What used to be standard setups are a thing of the past for the top teams competing in dirt late models modified and even the stock classes. A broken weld made a dirt modified with leaf spring suspension mysteriously faster. LANDRUM PERFORMANCE SPRINGS makes no guarantees that these charts will be suitable for each racer s needs. 99 Save 10 . dirt modified spring setup