Typically for customers using all Team Z parts, Zimmerman can offer a set of adjustments to baseline a car, based on its power output, weight, and the components installed. By designing the bushing as a multi-piece unit, it allowed them to keep the inside portion stiff for great straight-line acceleration and the outside portions soft for bind-free articulation. We asked Zimmerman where hed start baselining this car. The lower control arms are built from the same diameter 4130 chrome-moly as the companys four-link suspension systems. This flex is great for handling, but under straight line acceleration, it contributes to wheelhop and inconsistent launch characteristics. 2022 Power Automedia. He says front struts should be set to the middle setting on compression, starting around 6, and somewhere around 3 for rebound. We design our rear components so that customers can bolt it in, and tune from there. Team Z designs and builds every component in house. The lower the point is, the softer the hit will be. Spherical bearings offer the highest levels of strength and articulation. Simply input your measurements, wheelbase, tire diameter, and height of the center of gravity, and it will give you all the pertinent information. BMRs control arm relocation brackets allow you to correct the lower control arm angle, correcting the rear suspension geometry and allowing you to add anti-squat for increased traction. For our build, we went with the Crusader series. Street oriented cars may not have much they can do in terms of trackside tuning, or moving ballast around. Team Z offers K-members in both chrome-moly and Metal Matrix versions. Dont overthink things, keep things simple, start with a good set of upper and lower control arms, springs, shocks, and struts. Upper Control Arm Effective Length: 9.4 inches; Lower Control Arm Effective Length: 18.25 inches; Rear Upper Control Arm Bolt Mount Height: 20.5 inches; Front Upper Control Arm Mount Height: 20 inches; Rear Lower Control Arm Mount Height: 5 inches; Front Lower Control Arm Mount Height: 6.5 inches; Center Of Gravity: 21.5 inches; Wheelbase: 107 inches; Tire Diameter: 28 inches; Anti Squat Percentage: 61.00; Instant Center Length: 188.58 inches; Instant Center Height: 20.50 inches. He says, (delete ,) the tradeoff for a quieter, and more comfortable ride, is that urethane bushings, while a dramatic improvement over stock, still deflect depending on the load placed on them. We talked with Zimmerman, to find out some of the basics every Mustang owner should keep in mind when planning suspension upgrades, and setting the car up for the track. Adjustable dampers (struts and shocks on a Mustang) allow drag racers to tailor the weight transfer rate to the needs of their car and track conditions. This design gives you a strong control arm that greatly improves performance. In a perfect world, this is the most efficient scenario. This means you need to have the distance from front mount to rear mount on a straight plane. Since big changes (to either setting) directly affect how power is applied to the tire and the chassis, it may take some trial-and-error to figure out what will work best for your combination. There are some fundamental things that Zimmerman recommends enthusiasts do as their first modifications for better strip performance. BMRs upper control arm mount is a direct replacement for the OE mount and requires no drilling or welding to install. Similar to BMRs lower control arm relocation brackets, its adjustable upper control arm mount features three positions to further increase the level of adjustability in the rear suspension. Whether your Mustang is a street going car, or you have big aspirations of knocking down low ETs at the drag strip, understanding the rear suspension and what goes into it will get you down the track faster. Urethane bushings are generally what wed recommend for a car that the owner is primarily using a street car or daily driver, says Zimmerman. It is important to know that if you have the correct parts, you have the ability to tune the chassis launch characteristicsso it performs the way you want it to. This allows for more body roll control, which equals more traction and consistent launches. He also says that Team Z doesnt recommend using the ARB for preload, We dont like to use the ARB for preload, if your car needs 100s of pounds of preload, something else is likely wrong like thrust angle, alignment, or weight distribution.. This is effective for correcting rear suspension geometry on lowered cars when the LCA mount of the body becomes lower than the rearend side. It will also make a huge difference in the performance of the car. This configuration will not be very aggressive and is great for a basic daily driver. The higher you get above the neutral line, the more the axle will separate from the body. These are the perfect upgrade for the enthusiast looking to greatly improve performance without NVH levels being a concern. BMR Suspension offers a no-compromise solution with it's dual-durometer five-piece polyurethane replacement bushing. Their lower control arms are built in a slightly smaller diameter than what most of us are accustomed to finding. As power is applied to the chassis, the body and tires should not separate, and the body should not squat on the tire; all of the power should be applied to moving the car forward. The Warrior series is designed for vehicles mainly street driven with some occasional track use. For accuracy, we recommend measuring and plotting out your suspension system. These illustrations are designed to give you an approximate idea of where the instant center and anti-squat percentages would be in other S197s with similar configurations. Combine this with soft bushings that have massive amounts of deflection and youre left with poor performance. This is especially true for 79-04 cars. The combination of parts is designed to truly transform the car into a track monster. Three link suspensions place excessive loads on the upper link bushings. Once you have this line plotted out, it is easy to figure out the anti-squat percentage based on the instant center location. Whether you simply want more traction for your daily driver, or the ultimate drag strip car, rely on BMR Suspension! The machined, forged aluminum body is lightweight and stronger than billet. Anti-squat is measured using the instant center location and the neutral line. When the highest levels of performance are required, BMR uses heavy-duty Teflon-lines Viking Performance spherical bearings. In the shock department, Zimmerman says Team Z always recommends adjustable shocks. From there, its a matter of testing the car to see how it does. Many factors are at play when power is applied to the chassis, but for the sake of this discussion, we are going to focus on rear suspension geometry. This allows for further tuning of the rear suspension geometry. Discussion in 'Drag Racing Tech Discussion & Timeslips' started by 09bbbkgt, Jan 27, 2011. BMRs heavy-duty rod ends are designed to solidly link the rearend to the body, eliminate deflection and wasted power. Team Z Motorsports builds some of the fastest 60 footing Mustangs on the planet. Support Us - Become A Supporting Member Today! Zimmerman explains that setting up a properly installed ARB isnt difficult at all either, and he has a simple video on to explain how easy it is. While the article does feature BMR products, we felt that the value of the information outweighed any negatives from this relationship. So we focus on tuning the suspension. According to Zimmerman, anti-squat effects how violently the suspension hits the rear tires on launch. To begin setting up any car for the track, you must first have a solid foundation to build upon. The Heim joints used in the Strip and Grip series arms are also a heavy duty design that Team Z specifies. BMRs spherical bearing offers tons of articulation for great handling, whiles remaining strong enough to stand up to high loads of any performance environment. ***
This special recipe, gives the bushings in the rear control arms a higher durometer rating (stiffness). A lot of people talk about anti-squat, but once you install your parts, and set your ride height, theres typically nothing you can do to change it. The center adjuster is CNC-machined from chrome-moly steel with rolled threads for the ultimate in strength and durability. The design gets the car within a window for anti-squat, etc, and weve found if we can get you in that window, the rest can be tuned with spring and shock adjustments.. While slower cars can also benefit from an anti-roll bar, Zimmerman usually starts recommending these once a customer has eclipsed the 10.99 barrier. Coyote-Powered And Gunnin For 9s: Bondo Bird Is A Purists Nightmare, SEMA 2021: Turbosmarts Straight-Gate50 Is Redefining Wastegates, A New Pro Stock On The Horizon? Viking offers two different series, Warrior or Crusader. Whether your S197 is primarily a racer or simply a fun daily driver, understanding the rear suspension geometry can be extremely beneficial. Controlling power and weight depends on how advanced the car is. The negative side of more anti-squat is that the car will need rear shocks with the ability to control the aggressive axle movement. You will also need to measure the center of gravity. Plotting your instant center can be a lengthy and tedious process. Team Z has worked for over a decade at designing and perfecting its rear suspension components.
The setup includes slick roller bearing thrust washers that make ride height adjustments easier. Although this illustration can be a bit confusing, it is just thatan illustration. BMR Suspension designed the TCA020 to excel in street performance, drag race, and road race applications. It is also important to correctly measure the center of gravity height for accurate anti-squat percentages. 2022 Power Automedia. Thus, it is universally applicable, no matter what suspension you choose.]. Their struts and shocks are "double adjustable," which means the damping force in compression and rebound (extension) can be tuned independently via knobs on the bottom of the shock and strut bodies. Tires are an important area as well. For our purpose-built drag racer, we needed a no-compromise wheel and tire package. -Dave Zimmerman, Team Z Motorsports. Additionally it has dual control arm mounting points for changing instant center. This design gives you a strong control arm that greatly improves performance. The solution for those cars was to weld reinforcement plates onto the frame. Running the upper control arm in the upper position and the lower control arms in the middle positions, you extend the instant center well beyond the nose of the car, while keeping the position relatively low in relation to the neutral line. Anti-squat is the suspensions mechanical resistance to compression due to forces from the engine. For most power-adder applications, we normally recommend measuring from the top edge of the water pump pulley. The stock control arm with soft rubber bushings deflects under load and absorbs power instead of transferring it to the tires. All rights reserved. 2010
Spring and shock selection play a crucial enough role that Zimmerman has worked with Strange as well as a spring manufacturer to develop custom valved shocks and specialized springs. BMRs bolt-on relocation brackets for S197 Mustangs are the ultimate in strength and adjustability. Zimmerman prefers this simple approach to altering the pickup points in extreme fashion on the vehicle. There are a few different ways to measure center of gravitybut for naturally aspirated carswe normally go by the center of the water pump pulley on Mod-motor and Coyote cars. As you might expect, control arm relocation brackets allow you to change the rear lower control arm mounting location. The instant center is in a position that isnt overly aggressive, and the anti-squat percentage is just under 100 percent. For the sake of this example, we plotted all of the possible IC locations on BMRs 2011 Mustang GT with stock-style wheels and tires. Countless hours of design, engineering, and track testing gives you the best combination of parts for remarkable traction and launch consistency on the street and track. If you can swing having a dedicated set of wheels just for the track, even if its for the rear only, thats even better. The company builds performance suspension components that are designed to give customers the strength and adjustability to achieve nearly any level of performance without having to use full race-style parts that arent designed for street use. Zimmermans personal car has run a 1.15 60-foot time. They are setup for a 1/2-inch bolt to handle greater loads over the smaller factory 12 mm bolt. Tire pressure, along with adjustable shocks, will also need to be changed to optimize any setup. Upper Control Arm Effective Length: 9.4 inches; Lower Control Arm Effective Length: 18.25 inches; Rear Upper Control Arm Bolt Mount Height: 20.5 inches; Front Upper Control Arm Mount Height: 20.0 inches; Rear Lower Control Arm Mount Height: 4 inches; Front Lower Control Arm Mount Height: 6.5 inches; Center Of Gravity: 21.5 inches; Wheelbase: 107 inches; Tire Diameter: 28 inches; Anti-Squat Percentage: 95.50 percent; Instant-Center Length: 120.45 inches; Instant-Center Height: 20.50 inches. BMR Suspension designed the UTCA020 to work well in street performance, drag race, and road race applications. Finding the right location can be a long and tedious process that involves a lot of testing; but the end result can be extremely rewarding, if you are willing to put in the time and effort. Weld's Alpha-1 and V-Series wheels fit that bill perfectly. Hey guys im lookin to upgrade my suspension on my car. This causes the rear tires to separate from the body instead of the body squatting over the tires. The stock control arms flex under cornering loads giving you inconsistent handling characteristics. The Crusader struts and shocks provide for 19 positions of compression damping adjustments and 22 positions of rebound damping adjustments. The entire system is 100-percent bolt-in and require zero cutting, welding, or modification to the chassis or suspension. Combine this with soft bushings that have massive amounts of deflection and youre left with poor performance. Being told to use the search function in 3..2..1. Many first timers, and even some pros, may not realize if the rear end was installed not centered and squared. ). Depending on your setup, engine combo, power output, tire, etc., some instant center locations will work well, and some not so well. Whats The Reason Enthusiasts Cant Get, What Tony Stewarts Involvement Could Mean For The, High-Performance Racing Fasteners: How ARP Fasteners Are, Brotherhood Built: Behind The Scenes At Firepunk, Engine Spotlight: Butler Performances 535ci Blown, Dobbins Clocks First 3-Second Mountain Motor Pro Stock, BirdDoc: The Six-Speed GT500 Record Holder And Its High Flying, Video: Installation Time-Lapse Of The Fresh New 3M Wrap On, Baseline Suspensions General IC Calculator, Summit Motorsports Parks Transformation Into A Pulling Paradise, NHRA Adds A/Fuel Program To Top Alcohol Funny Car Class For 2023, The Dragzine Podcast Episode 142: Joe Zolper. A 5/8 centerless ground, hard chrome piston rod provides increased durability and eliminates piston rod flex. This decreases the anti-squat percentage, which will allow the body to squat over the rear tires. The Crusader series is designed for use-specific competition vehicles. The bushing material is exclusive to Viking shocks and all mounting hardware is either zinc or chrome plated for durability and professional appearance. NHRA Reveals A/FX Exhibition Class. 
BMR Suspensions DRP002 Level 2 Drag Race Package is available in black hammertone and red powdercoat for long-lasting good looks. This new Mustang platform only has one upper control arm and the mount is only bolted into place. Our Alpha-1 wheels are aimed squarely at customers like us: sportsman racers competing in the radial and small tires classes. The stock control arm mounting position is fine for stock height vehicles, but once you lower your car, the control arms change and need to be corrected.
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