Steve beatties 26 suspension offers the best in knowledge and experience. Former sport rider editor andrew trevitts book sportbike suspension tuning. The trend in high performance two strokes has continued towards more case volume, however each engine and application differ. Steering and suspension geometry is a factor, as are basic considerations of track, wheel base and cg height. Then, by using average tire temperatures, you can balance the handling and maximize total vehicle traction in the same way. This makes the 19mm shock shaft kit particularly important. Rear steer setup is dialed into the car as the track dries out and turns slick. The setting i have found that i like best is soft compression on rear 18 clicks out and firmer reb. Suspension design having the right springs and motion ratio is a very critical part of any suspension system. Dirt track chassis setup at the rear for cornering.
For the first time, our new ebook the 7 littleknown hacks. Camber matters optimizing track performance for strut. Dirt track race cars can be very difficult to set up. Developed for racing, the corvette track suspension kit has been tuned with allnew stabilizer bars, lower control arms with stiffer handling bushings, and track optimized passive shocks. Offroad motorcycle suspension tuning and simplified valving diagnostics. Apr 22, 2010 suspension tuning guide a complete guide to setting up your sportbikes suspension, including all the terms, technology and troubleshooting introduction get started on your setup. Host dave moss conducts a classroom session then takes suspension tuning principals to the track for practical application. Apply settings in small steps and try to do only one or two at a time.
Suspension components shock absorbers circle track. In this video jon roetman ownerauthor of racers edge books shows you exactly how to use the racers edge race car setup software. We can reduce understeer and oversteer characteristics with the adjustments of antiroll bar sway bars, bump and rebound, ride height, spring rates, corner and static weights. Lund racing ngauge for 20112019 mustangs and 20072014 shelby gt500s. With over a decade of experience in modifying and tracking 911s and caymans, you can count on flat 6 motorsports for validated performance solutions. The springs resist the forces of input from the ground to the chassis, the suspensions motion ratio determines how the springs will operate, and the shock controls the springs reaction to those inputs. While a setup pad is ideal, a flat piece of concrete can do the job. The key to a quick lap in dry slick conditions onedirt. Yet knowing how your suspension works and what effect the various adjustments have will help you. Just after some advice on suspension set up for flat track, ive been told to go full soft on the rear so its squats in the corners. Spec is software for tuning motorcycle suspension and chassis geometry motospec has been designed for racing use, with a simple interface and clear outputs, to assist motorcycle tuners and race teams make quick and knowledgeable decisions. Used by many of the best teams in drag racing, chassis master is easy to set up and input information. When trying to find the right suspension tuning settings it is important to considered a few things about your car and the track conditions you want to drive on.
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. Driver control and race car handling is about the vehicle behaviour in response to the driver inputs steering, throttle and brake. The gray area with brian gray season 2 episode 3 youtube. Check your race sag every ride and adjust your spring preload for different. It may look like the car is transferring a great deal of weight to the right rear and that the car really is tighter than it was before. One key area that you will need to know to maximise suspension tuning, is a good overall picture of your car. Base setup normal track conditions the following settings are recommended as a starting point for a dry track with normal levels of grip not green or slippery and also not with high amounts of rubber on the track, causing high grip. Mar 05, 2014 the gray area with brian gray season 2 episode 3 castor and camber. This newest release features new hardware, new software and a fresh new. However, in reality its so much more and its imperative that you pick up the correct tuner for the general direction you want to take your mustang build in. This is ideal for street bikes as well as dirt bikes when you dont have a stand or. Armed with your tools, youll either need a flat surface at the track or borrow someones setup pad to take all your measurements on.
Avoid doing several changes andor large adjustments at one time as this may well produce an undesired result and will make it more difficult for you to fine tune your car. The benefits of ecu flashing arent necessarily about headlinegrabbing power gains but rather achieving a smoother, more responsive power delivery throughout the. Bike setup is key to a fun and safe ride, the new slacker digital suspension tuner v3. Race tech likely has a support program to help get you the best suspension and. Links may be made to the site, but the product may not be redistributed in any way other than by direct download from. Flat track racing accessories maker of custom dirt track racing motorcycle products. I have lowered 3 bikes for my dad but have never gone below a 2 drop. Setups will also vary according to track condition, tire combination, and several other factors. Tuning for the track suspension tuning tech modified. Flat track requires more suspension tuning tracktotrack than any other genre of motorcycles due to a wide variety of soil conditions and bankings. Iron foundation is our new downloadable program that can help you get started today.
Specially designed racing shocks come in a variety of configurations, including adjustable designs that help you fine tune your race car to changing track conditions. The software allows in fact to analyze in advance the effectiveness of the technical choices and of setup sprocket ratio, suspension setting, tyres temperature in the different tracks and conditions, and then to hel technician and rider to go fast in the right direction to have the best. Boughner racing suspension takes care of all your suspension needs for motocross, ice, flat track, super moto, trail, enduros, hare scrambles, snowmobiles and quads. With over 15 years of suspension tuning experience, we can adjust or modify your suspension to specifically suit your riding style. We also offer specialized tools for shocks and springs, as well as books and software aimed at helping you perfect the art of chassis tuning and general race car setup. Apr 01, 2004 we provide realworld tips for the saturday night racer on how to tune your stock car for dirt track surface changes to use in practice and during races circle track magazine. This page is going to be used to describe how to setup a circle track race car step by step for a specific track. In this section youll find corner weight scales and alignment equipment from some of the most respected manufacturers in the business, including intercomp, longacre, dunlop, art, and smart. A track bar runs from the frame to the axle perpendicular to the radius arms to keep the axle centered on the frame. Circle track faqs qa1 high performance shocks, suspension.
Racers edge race car setup software use on any computer. Hes been making amains at big races since some of todays younger pro racers were in diapers. We offer a fullyfunctioning version free for 30days and chassis dimensions for. Measure from the axle center vertically to a point on the chassis. Chassis master is easy to set up and calculates all possible ic locations, rise, squat, corner weights, center of gravity and even automatically adjust to changes in ride height or tire size.
Calculates all possible instant center locations plus percentage of rise and squat. Asphalt chassis setup prepare your race car for the new. Increasing the angle at the rf upper aarm raises the front roll center and moves it to the right. Yet knowing how your suspension works and what effect the various adjustments have will help you get the best out of your riding. The ultimate racing car chassis setup guide and tutorial. Nov 11, 2014 b mod chassis guide for fans and newbies rear suspension mike higley. Flat 6 motorsports aftermarket porsche specialists flat 6. There is no comparison to any other 4link software available. Tuning for the track suspension tuning tech understanding the fundamentals of suspension set up.
Suspension tuning can be used to change the way the car behave on different track and road conditions, playing to your car. Max speed cycles specializes in creating custom fuel maps and dyno tuning for each individual motorcycle to optimize the performance for each enginefuelexhaust combination. Mar 25, 2010 in this tech article circle track provides an asphalt chassis setup guide which delves into the critical elements of a well designed pavement race car to help you get prepared for the new season. Check the shock for smooth action and check the heim joints, andor linkage bearings for excessive stiction and binding. An ecu chip uses flash memory, a type of solid state software encoding. This program is provided free of charge for personal use in the assisting of suspension calculations. I have a yz450 and i have been told everything from full hard to full soft. Flat 6 motorsports aftermarket porsche specialists. For motocross i pull them back up to improve turning. Transitions for understeer to oversteer should be rogressive. He is well known for building and tuning flat track race suspensions and mx to dtx conversions. We have an indepth knowledge of porsches and product expertise on everything we offer for sale.
The new tires go along with updated suspension tuning, as well as new software for the abs and electric power steering. Are you still riding on the stock suspension settings from when you purchased your bike. Setup bike software to obtain the best setup of the. To further improve turning on a flat supercross style track, tighten the rear spring about 1 turn. B mod chassis guide for fans and newbies rear suspension. The track has now blackened over and the edges of the groove are loosening up with the surface material turning to drier sand. Getting the perfect setup as motorcycles get more and more complex, its easy to think that the science behind the suspension on your bike is almost too much to understand. This website has very hard to find valving information ever wondered how to make your bike handle properly. Flat track requires more suspension tuning track to track than any other genre of motorcycles due to a wide variety of soil conditions and bankings.
For road course racing however, attempting to dial in track specific optimizations such as asymmetric setups is typically not recommended for most racers without advanced tools such as track simulation software and shaker rigs. The suspension setup for a strutequipped car is very much like that of a double wishbone aarm suspension. Not only for dirt late models but can be used for open wheel modifieds as well. The changes you make could make the car feel better than it was before, and could actually allow a novice driver to be faster with it, but it could still be very wrong and present you with a proverbial brick wall when you reach a certain point in. This suspension package was developed to improve the on track handling capabilities of the corvette stingray, including z51equipped models. In 2015 ford launched the mustang shelby gt350, which sported a number of new performance enhancements. The more rider sag you have, the softer the bike suspension will be. How to improve your motorcycles handling and performance, is one you must have in your garage if you have even the most remote interest in how your motorcycle handles and how to make it better.
The basic elements of steering include rake, trail, and offset. That is rear steer, and in dirt track racing, rear steer is very important. Tuning with shocks lr behind late model setup tuning with shocks standard late model setup 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. One of the best parts about the ngauge is its convenient. Depending on the condition of the track and your driving style, there can be two very different approaches to your chassis tuning. Docmosis is a highly scalable document generation engine that can be used to generate pdf and word documents from custom software. Flat 6 motorsports is committed to offering a worldclass customer experience. We will cover balance and weight, selecting tires and wheels, aligning the tires, positioning the seat, scaling and adjusting weight. Suspension tuning guide a complete guide to setting up your sportbikes suspension, including all the terms, technology and troubleshooting introduction get. A top racing suspension company suggest that rear wheel rider sag should be around 3040mm and static sag should be around 510mm. Does anybody know how suspension should be set for flat track racing. Bite off the corners in situations where the exit portion of the track provides less traction andor the corner is more flat, we might need to develop more rear traction upon acceleration. For added stability on a desert or gran prix track, i always push my forks down about 18 to 14.
Once you are at the track, changing conditions mean changing set ups. Radius arm designs have been used by ford and dodge among others. In order for the front roll center track adjustment to be practical, it pays to worry less about the detail of the specific roll center location and focus on the instant center and your goal for the chassis adjustment. Our mission at the racewise dirt track chassis school is simple. Aftermarket components like yokes and linkages can be measured.
All chassis dimensions and specifications are editable. The idea is to go from easiest first steps tire pressures, ride height, etc to the most complicated steps camber, toe, spring rates. Dyno testing verifies compression adjustment range is increased by nearly 4 times, and rebound adjustment range offers nearly a 50% increase. However this many vary depending on your bike and manufacturer. Dirt track racers have botched this stuff up so bad, it took me 27 years to flush it all out of my head and rethink it all. Durelle racing specializing in dirt track, supermoto. This will tighten the car in the lateral and the longitudinal directions depending of course on the size and shape of the track. Effectively transferring weight is critical to getting traction at the track. Bonneville performance owns and manages the official castroltriumph factorysponsored american flat track racing team featuring grand national ama pro riders.
Basic suspension tuning for your dirtdualsport bike. Since the radius arms are fixed at the axle end, the caster angle changes when the suspension cycles up and down, shown in the figure above. Flat track setup honda crf 450 motorcycle suspension. Motospec is software for tuning motorcycle suspension and chassis geometry. This video will give insight to common dirt late model left rear 4link suspension. The engineers at i track suspension have a strong understanding of vehicle dynamics, and have been able to devise new graphical methods, to enable the % antisquat to be accurately quantified for all of these suspension systems.
Cj pony parts has recently teamed up with lund racing to offer the ngauge to mustang owners. Bonneville performance high performance triumph bonneville. When tuning motocross suspension you need a baseline to sta. Boughner racing suspension boughner racing suspension. Stepbystep racecar setup guide paradigm shift driver.
In motocross its usually a compromise between best peak hp and good early off the pipe power. You see, the problem with suspension tuning is that its really easy to screw things up. Put the bike on a stand that allows the suspension to fully extend. This information applies only to 4link rear suspensions having links floated on the rear axle with birdcages with all links running forward. I noticed on his bikes that they seemed to corner much better after being lowered, but other than how to do it i am not sure how much is. Riders rave about the gold valve dirt track setup providing excellent grip and. We do need to keep in mind that a heavier driver will very quickly change the way a car handles. Is your bikes suspension not performing the way you think it should. So if you need to get dialed for flat track, hes the man to call. To give the car more lateral traction, go to a softer right rear bar or a stiffer right front spring. Thus overwriting the chip with a new program is known as flashing, reflashing, or direct ecu mapping.
Jun 11, 2018 the track focused ford mustang shelby. I personally use 35mm for road and a few track days use. Suspension set up for flat track tech helprace shop. On the surface, its just a device that you load tunes into your car with. The greater the banking of the race track, the less rear stagger required. The old adage of stuffing cases on every project just isnt true any more. But tuning wise, we again look to our springroll barshock package.
Important suspension settings to keep track of include. In this tech article circle track provides an asphalt chassis setup guide which delves into the critical elements of a well designed pavement race car to help you get prepared for the new season. Chassis master software tim mcamis performance parts. You adjust camber and tire pressures using tire temperatures. No part of the program or code shall be reproduced for commercial use. He has raced for some of the biggest companies in our industry, and has helped developed some of the most influential chassis, tire, and component designs in the rc world. We can convert any motocross bike for flat track and tune your suspension setup for your weight and experience level. As long as the tires have near 1 to 1 traction with the ground, you should set up your race car like an asphalt car see the chassis setup at the rear for. Setup bike is a dynamic simulation software aimed to the fine tuning of the motorcycle on track. This article explains the workings of the 4link suspension and the tuning methods used to maximize its performance under various track conditions. 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. The same can be said for aero settings if you have adjustable elements on your car as well. This basic tech tip guide gives basic knowledge on left rear tuning, thin.
Sep 17, 2018 in 2015 ford launched the mustang shelby gt350, which sported a number of new performance enhancements. The ngauge operates very similarly to the accessport and x4 while offering the highclass tuning options from lund racing. Finding the best mustang tuner can be more difficult than it seems. We design and build our own racing supertrackers at 995997cc based on the triumph bonneville 865cc and 900cc twin engines and our own custom frames and components. Passing becomes difficult because of the onegroove nature of the track.
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