Drag shock tuning 90 - Start the compression 18 clicks from full stiff. Aug 20, 2008 · I re-read your first post and I missed that that car has only single adjustable shocks on the rear. 10, 29. You also begin to notice that the fast cars […] adjustable shocks for drag racing applications. When the PR is raised, the energy is directed towards pushing the front end up instead of forward. Let’s take a look at both. com! Apr 24, 2013 · Bingo! You really need a DA so you can stiffen the compression to hold the tire on the track but I'd try a $15 set of shock extensions first. Note: You need at least 45% of the car's weight on the rear wheels to make a 4 link suspension work properly. Softer shock settings can help the tires maintain better contact with the track. 5’s, and true 10. I like the idea of having a bracket on the axle that would have multiple mounting points. Mar 9, 2018 · "As far as tuning goes—I set the bars at zero pre-load and set the shocks in the middle. WHAT IS SHOCK VALVING? First of all, let’s go over shock valving as a whole. However, a current trend is to focus on the importance of the effects of shocks on the performance of a race car. SHOP SPRINGS. That compression is total opposite end of the spectrum for the manufacturer recommended setting Other have said they had success with just 4 compression and 12 rebound. 30 i have no idea what gear you are using think of this as a high hp stick drag car the higher the gear like 3. When you have your tranny set perfect you have to look other places for more speed. There are high-speed and low-speed adjustments available that provide a high level of adjustability and fine-tuning that can really dial in the operation. “Simply guessing is not a tuning strategy,” said our source at QA1. stop, as doing so will damage the shock. From blistering 60′ times to top-end traction and control, we can develop, test, analyze and execute the right setup for you. For example, you tighten compression, you also tighten rebound and vice versa. Discussion in 'General Discussion' started by derpfleet55, May 5, 2016. I wouldn't change any of the 4-link bars just yet. Joined: Feb 6, 2014 Jan 13, 2015 · Later, 90/10 drag racing shocks were invented, which did much the same thing, in that neither the worn out shocks nor the 90/10 drag shocks had much if any rebound. O. Expand Collapse. 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. QA1 offers high-quality performance parts for circle track racing, drag racing, classic muscle cars, trucks, and industrial applications. Leverage our collective knowledge and experience to jump start the suspension tuning process. 2320 www. A drag race car should run the lightest front spring rate possible, without letting the shocks bottom out when making a pass. May 9, 2014 · Tuning Front Suspension with Spring Rate. Is there any advice as it relates to setting up coilovers for optimizing grip, spring choice based on corner weights and also adjusting dampening based on the Aug 9, 2016 · (Right) The Drag-Race Eliminator II 4-link rear suspension featured double-sheer, adjustable lower shock mounts designed to allow fine-tuning of the rear ride height. What is Suspension Tuning? Suspension tuning is the final piece of the puzzle when setting up your car or motorcycle. This was many years ago on my Nova, since then we've switched to Santhuff shocks, an anti-roll bar and many other changes. Pingback: RC Suspension Tuning Guide – Body Position - RC Cars News. Dec 6, 2021 · Single-adjustable shocks are an excellent option for streetcars but provide a limited tuning window, and drag applications need a larger tuning window or multiple adjustments to dial in performance. Nov 29, 2022 · To finish this quick crash course in drag racing shock basics, Saffell provides a short summary of how the right shocks will help a vehicle perform better at the track. NEXT STEP: Connect With a Shock Specialist. racing/forums/resources/Find Fourm Herehttps://2fast. com/KevinWilsonS Nov 7, 2016 · - 5-lug suspension both front and rear Autobello Stambecco - 3. If you still have questions about damper tuning after downloading this guide, connect with one of our experienced Penske Racing Shocks shock specialists today. This occurs when you hit a bump in the road. These types of compounds usually make maximum grip when the temperature on the inner third of the tire’s contact patch is about 10 to 20 degrees Fahrenheit hotter than the middle and outer third, and, in general, these kinds of tires make maximum grip at Dec 17, 2014 · What’s a drag shock supposed to be doing? “At base, the shocks in a drag car are controlling how hard the car is “hitting” the tire and how weight transfer is being achieved. Any suggestions on rear shock settings? Jan 20, 2022 · Deep dive on gen 1 and 2 A Body suspension and chassis setup for drag racing without doing a back half so we keep our Chevelles for more stock type!! Part 2 will be out soon on Front end suspension setup and to tie it all together! Thanks! Drag Racing Shocks Tuning Guide AFCO Brake Tech 3. The shock will be easy to compress, causing the car to droop at the back. Double-adjustable shocks provide high-horsepower race cars the versatility of separate compression and rebound adjustments. The adjustment mechanism is both precise and effective. Download Now. I don't even know where to go to after trying those settings. Our hosts Brian Petty and Brian Wagner ask a panel of sh Jun 13, 2022 · When you explore shock tuning, you’re essentially trying to control the rate at which your wheels move up and down. 0. 632. Jun 17, 2018 · The engines on drag cars are as big as the car itself, but On most maps doing this will cause you to loose control if the ground is even slightly un even. Drag Racing Front End Suspension Tuning with a downloadable tuning chart! Street to Radial Prep!Subscribe: https://www. 525 3. 275 radial pro on a 12" wheel. Bought the extensions and it has hooked like crazy ever since. So what are the ins and outs of tuning your suspension for drag racing. com/channel/UCzdAF4S0 Ep. Jul 3, 2020 · These AFCO Coil-Over Shocks are a great example of an AFCO drag racing shock, a single adjustable shock with adjustable rebound in a five-inch stroke. Cal tracs ,split mono leaf springs,sgl. 73s the more tire speed . Tuning your front shocks at the drag strip is crucial to achieving the best possible launch. 0L inline 6 race engine + tuning options - 4. Make a pass in first and second gears in order to determine Jun 6, 2010 · TUNING TIPS Shocks are just one of many suspension variables on a race car. Rebound is the opposite…when the wheel/tire/suspension assembly falls into a pothole, or simply “rebounds” from being compressed. Our hosts Brian Petty and Brian Wagner ask a panel of shock exp These two attributes affect everything from body roll and bumps in the road, to the way a drag car leaves the starting line. 2. Jan 10, 2020 · The type of track and tire will also play into how you adjust shock settings, based on how much separation you see. 8975 Manual (Drag) Adjustable Shock Manual - 8760 / 8100; Compression is when the suspension compresses. shocks running on 275 MT drag radials,I could sure use some help to get this pointed in the right direction or a good starting point anyway. Check out our Spring Rate Tech Guide to get your spring rate right. Simply put, valving determines how much force it takes to compress or extend a shock. Sep 18, 2020 · Shock Tuning Is A Matter Of Regulating Suspension Movement. adj. In drag racing, the rebound adjustment is the most critical in tuning. Note that in session two we ran that 1. May 1, 2022 · Suspension experts consistently stress the importance of having a baseline shock setting, and to fine-tune adjustments in basic, definable steps. control tire speed. This adjustment allows the tuner to dial in the "unloading action" of the chassis and keep the tires planted during the Jan 7, 2022 · Custom shocks built to driver style and preferences that are highly adjustable provide the return from a performance standpoint. adjustable shocks for drag racing applications. When embarking on the setup of your QA1 shocks, it's highly recommended to begin with the shocks set at full zero, also known as the full counterclockwise position. A softer spring rate will May 21, 2021 · Like many components on a drag racing vehicle, getting the shock settings “just right” for a given set of conditions encompasses compromise. Apr 19, 2016 · stock suspension has a shorter upper arm than it does lower, meaning they move differently than a true 4 link. NG Drive. derpfleet55. Mar 26, 2021 · QA1 Mod Series shocks use a valve pack that allows you to change the valving of a shock without taking it apart or removing it from the vehicle. Ladder Bar Drag Race rear suspension setup! Slicks or Radials! Drag racing suspension tuning with ladder bars. Aug 15, 2012 · 2007 SBN/A Drag Week Winner & First only SBN/A Car in the 9's Till 2012 First to run in the . 5 slicks (all custom valved small tire) shock settings will be from full stiff: notation will be as follows 10 c = 10 from full tight on compression 15 r = 15 from full tight on rebound (extension) Feb 17, 2015 · Shocks and Springs: 2013 Cobra Jet Drag Spring Kit front and rear Strange single adjustable shocks in the front Viking double adjustable shocks in the rear, AJ valving Rear Suspension: Adjustable Lower Control Arms BMR Lower Control Arm Drop Brackets (bottom hole) BMR Adjustable Upper Control Arm w adjustable mount (bottom hole) Tires: Penske Racing Shocks offers a comprehensive array of shock absorber products, dyno testing services and products, custom-manufactured components, and rebuild service and support for any application to specific customer requirements. The goal of Menscer Motorsports is to provide custom shock and suspension tuning solutions and performance racing parts to customers based on their specific needs. Let's start with our coil-over shocks. Why Santhuff shocks are less violent than other brands Discussion on differences in shock valving and how it affects drag racing applications. On this episode of Tech Inspection, we focus on shocks for a radial tire application in drag racing. My car is setup for the 26x8. Begin with the manufacturer's recommended settings for your specific RC drag car. 0L inline 6 diesel engine + tuning options - CJD race ECU - CJD performance intake, exhaust and Long Block - CJD race/drag Performance radiator - CJD drift brakes front and rear - CJD dry sump oil pan Guide on how to tune/setup your suspension in No Limit Drag Racing 2. On a drag car, you generally want your front springs compressed 30-35% when the car is at ride height. Find Mods Herehttps://2fast. Ride Height: Jan 21, 2025 · Tire tuning—adjusting variables such as tire pressure, compound, and suspension interactions—plays a pivotal role in this process. I've been told the upper hole in the Cal tracs makes for a harder hit on the tires and the lower one a softer hit,well thats the start of the prob. If you have a factory four-link suspension system, pinion angle can be changed with adjustable upper control arms. Computer Program to Simulate and Analyze Rear Suspension 4-Link Setups for Instant Center, Pinion Angle and Driveshaft Angle Change, Anti-Squat %, and More for Drag Racing. Penske; Roll Race Shocks; Street/Road Shocks. I recently put some Moroso trick springs up Front pn:47180 with CE front drag shocks set at 90/10. Depending upon the style of damper — single-, double-, or four-way — it comes down to the driver tuning the damper to work best in the situations where grip is worst. Compression dampening helps make the shock data look better, but the entire back of the car simply goes up with the rebound of the tire, and the driveshaft data looks exactly the same. 42 60' 2013 SSBN/A Drag Week, Lets quit sand bagging, and let it rip! Jan 13, 2024 · This is for drag radials. 52% front 48% rear. Figure Four: A Guide to Tuning Your Four-Link Suspension System – OnAllCylinders […] Dec 29, 2014 · When the shock ran out of travel so fast, it upset the tire and it would spin. Faster cars should start 14 clicks from full stiff. Not good for what we’re trying to do. BECOME A CHANNEL MEMBER FOR EXCLUSIVE PERKS: https://www. Drag Race Baseline: 40-percent Bump, 60-percent Rebound Drag race vehicles generally require more extension (rebound) travel to help weight transfer, and because the Dec 11, 2019 · The rebound adjuster on the AFCO drag shock is typically located in the eyelet at the base of the main shaft (AFCO uses a black ring on the rod end of the shaft or, in the case of front shocks, a black knob on the stud). We look forward to servicing and tuning your current dampers and making sure they can meet your needs from Daytona Champions to World Record Drag Race holders we got you covered. Increasing caster will allows the suspension to act more parallel to the forced the car experiences under braking. Any adjustment affects the other discipline of the shock the same way. Pingback: RC Suspension Tuning Guide – Shock Mounting Positions - RC Cars News. High load variation means the tire is cycling between low and very high loads, which is very bad for mechanical grip because the tire is constantly working with different loads. Feb 5, 2019 · My setup is: 3800 Twin turbo 6. Voyager™: Only double adjustable shock on the market designed solely for maximized comfort and overall ride quality; Berserker™: High Performance shocks valved based on the vehicle and specific use suitable for street/track use; Crusader™: Competition only valved specifically based on the vehicle and the use (drag, pro-touring/time attack) Jun 7, 2019 · So converted to a radial (trying to) from a 28X10. You say you've tried all kinda of adjustments on them and nothing changes, well that's a big red flag there's an issue with them. 915 stop, as doing so will damage the shock. Our hosts Brian Petty and Brian Wagner ask a panel of sh On this episode of Tech Inspection, we focus on shocks for a radial tire application in drag racing. The MCAT (Medical College Admission Test) is offered by the AAMC and is a required exam for admission to medical schools in the USA and Canada. /r/MCAT is a place for MCAT practice, questions, discussion, advice, social networking, news, study tips and more. Remember, suspension tuning is an ongoing process that requires patience and experimentation. You can’t cut corners when it comes to components such as shocks and springs, and you’ll need race-specific shocks that offer excellent handling but also maintain Dec 27, 2021 · Shocks. “Since shocks control when the weight gets transferred like timing devices, the correct shock for the application provides proper force values to manipulate the suspension as Apr 15, 2007 · it spins the tires so hard that it hooks 30 ft out add 100 lbs to the nose and gear it up 4. Look at the other details we noticed - we also found A) Shock Bracket almost hitting the shock B) Upper mount is flexing. Turning the knob Sep 19, 2013 · To set the rear shock compression baseline, turn the adjuster to the full soft (full counterclockwise) position. Heavy door cars slower than 9. Subscribe: https://www. Pingback: RC Suspension Tuning Guide – Arm Sweep - RC Caster is how much your suspension is angled towards or away from the center of the car. Kind of confusing. Drag Racing Shock Tuning Guide - What Happens During Launch You give it some gas the front of the car comes up as weight is transferred to the rear tires to aid traction That s tied to suspension The speed at which the front end rises is largely controlled by the spring rate and front shock force Sep 7, 2011 · This might be an area pushed aside by the casual gt5'r but when it comes to drag racing every little thing helps or hurts you in a straight line. The key to any successful acceleration contest is traction. Double-adjustable shocks. 3 on teaching people drag tuning in Beam. SHOP QA1 ADJUSTABLE SHOCKS. It's a good read and certainly useful for our trucks. Raising the PR can also slow down the 60' if it needs to be raised too far to get traction. TIP: When choosing rear springs, it is suggested to err to the softer option. Conversely, a poorly tuned suspension The Drag Slash’s front and rear camber can be precisely set via the turnbuckle camber links. Aug 10, 2018 · The wide range of adjustment makes tuning a car to different tracks a breeze. Using a Penske Shock Tuning Guide to Optimize Your Performance. Air Shocks; Drag Shocks. For more information, visit us on the web at afcoracing. It helps to draw out what we are doing here so you can measure and be able to set up your 4 link the easy way. With so many parts and pieces available to tweak, it can be intimidating to know where to start. Jul 22, 2019 · Need a quick easy way to tune your shocks at the drag strip? Bill Foley is here to show you how to get it done and get back on the track! ----- We would like to show you a description here but the site won’t allow us. Instead of asking what it is, a better question is what is the goal of suspension tuning? With a finely-tuned suspension, your tires will stay in contact with the road in any situation. For the money, Strange makes a good dbl adjustable shock. menscer motorsports rear shock starting settings and tuning information for drag radial (275/315), 8. 5s, so I'm hoping I can put down a lot more power and get more aggressive with the timing ramps. The front shocks also rely on correct shock valving, but for the exact opposite purpose as the rears. Suspension geometry or track conditions may require the travel percentages to be shifted to prevent topping- or bottoming-out the shock. Be sure to guard against shocks bottoming out. Unless these are brand new shocks on it, you should thing seriously about sending them in to get checked out, or replace them. If you still want to try it out you would make the suspension stiff as possible, so instead of moving the back of the car down, it forces the front up. Virtually every car will separate at the launch. FRONT SHOCKS: TUNING IS KEY. Spohn ARB 150lb springs Afco doubles R- 8 of 32 C- 18 of At ANZE Suspension – We offer some of the best damper service in the country. Every track and car setup can behave differently, so it's essential to invest time in heres the setup,S-10 w. Turning the knob clockwise tightens the valving, making the shock stiffer to compress (right hand threads). Things like the rate of rise (wheelies), down track traction, and sixty foot times are all tied into the performance of the shocks on any drag car,” Saffell told us. No sway bar Viking doubles 275lb springs R- 3 of 19 C- 17 of 19 Rear- Solid joint control arms. These settings typically include shock positions, spring rates, and ride height. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. AFCOracing. That would be cool. when a stock suspension car separates they both change more to think about Apr 3, 2019 · What u are describing is what happens to front shocks , extending on the launch and controlling the compression on the way back down , on the rear it compresses first and tightening the rate of rebound holds the tires to the ground after the rear shock compresses at the hit , U guys seem to be getting confused between front and rear settings , the only way the rear rebounds first and Brake stop challenges offer a completely different set of shock tuning requirements that fit right into the tuning opportunities offered by the MOD Shock breadth of force changes. Our shocks do not come pre-set from the factory. May 15, 2019 · Watch as Eric Saffell explains how to adjust your AFCO Shocks. 60's/ 9. AFCO recommends making 2 (TWO) clicks per adjustment to fi ne tune the chassis. Mar 15, 2015 · Bolt-on ladder bars added to the stock suspension definitely get rid of wheel hop, but does so by binding up the rear suspension. By mastering suspension tuning, you can control your feel. therefore less compression travel is required. With the power you have, a set of dbl adjustable shocks will give you a wider tuning window than what you currently have. 25-second through the addition of double adjustable shocks, a taller rear tire, and a rear anti-roll bar. 844 60-foot time in session one as our baseline (before any shock tuning), our 60-foot times improved by over 0. even with steeper gears it will recover from the inital spin quicker. Yesterday at Milan Nov 15, 2021 · Digging Deeper Into Race Suspension Tuning You’ve researched the various ways to adjust your suspension; now it’s time to think about where you’re sourcing your parts from. With this in mind, we have included a few tuning tips and observations about our series shocks. youtube. 0” 5. 5x9 et drags (Randy's used set), homemade cal trac type bars, stock multi leaf springs, stock front springs, and ce drag shocks. Lower rear moved 1" down. Very hard to make the car work with those. With the baseline set for all four shocks, you can fine-tune and track test shock settings using the suggestions in the story text. Click here for new Plus Version's features. Their approach is data driven and based on information obtained through extensive on-track testing with some of the most demanding applications in drag racing. Stiffer shock rates slow spring movements, while a softer shock rate allows the spring to move faster. Sometimes, we need to make a suspension change and adjust the ladder bars, pinion angle, or four-link, and then go back to the shocks through the assessment process,” Saffell explains. I fought the same problem for years. Pingback: RC Suspension Tuning Guide – Track Width - RC Cars News. Recommended baseline points for adjusting your shocks are outlined below: Warrior TM Double Adjustable Comfort Handling AutoX Drag <600 HP Drag 600-900 HP Drag >900 HP T "C" knob 1 -4 8 10 14 12 18 Welcome to KevinWilsonSBC, the ultimate channel for drag racing suspension tuning to help you launch harder and go fast, go straight and be safe! Whether you're into prep, no prep, or street Here is a snap shot of the shock and driveshaft data: No amount of extension dampening seems to remedy it. Make sure to watch this entire video hosted by Steve Smith from QA1 so you can learn more about tuning the separation of the suspension by adjusting the compression and rebound of the shocks. com Jan 23, 2023 · Notes for Shock Setting in Drag Racing Application By Jeff Smith – Photography by the Author At some point trips to the dragstrip became more about improving the car’s 60-foot and overall elapsed time and less about going heads-up against that guy in the other lane. It's easy as one, two, three! Here are some helpful tips to improve you Feb 9, 2023 · suspension: Front: fast bump 2100 bump 2100 fast rebound 500 rebound 15000 (max) (more would be good for even stronger spring and bigger jumps, same for rear) Apr 6, 2017 · Drag racing shock and suspension technology has changed drastically over the last five years, so we have invited world renowned suspension and tuning expert, Jul 30, 2020 · If we use the 1. Videos focused on drag racing suspension tuning for launch control and going straight with the strongest 60 foot times possible! Safety is top priority, gett Related posts: Shock Series: 02 – Shock Pressure Management Shock Series: 03 – Shock Dyno Sheets Shock Series: 04 – Shock Tuning Basics Wheelie Bar Settings & Adjustments Nov 29, 2021 · Drag Racing Suspension Performance Issues. For anyone other than the professionals, the significant expense of 4-way shocks might be better spent making other parts of the car better and safer. Jul 15, 2019 · That said, here are some overall lessons I’ve learned about extreme performance summer tires and DOT track tires or semi-slicks. Jul 16, 2018 · If you can't, there's a problem with the shocks that needs addressed. If you enjoyed this long-form video, pleas May 13, 2018 · Also, last year I had qa1 singles up front. wrote:My feelings on hooking a leaf spring car (most applies to about any car) is to get the car low, plenty of front end travel, soften the rear springs enough to let the shock do its job, get the car close to 50/50 front to rear and move it backwards and forwards to see what works, make sure the suspension isn't binding anywhere, good cage to control the chassis, get the converter Softer rear suspension can help transfer weight to the rear tires, improving traction during launch. I now have DA shocks up front and it’s night and day. That was with the aluminum headed 460, Tremec TKO with centerforce clutch leaving at 4000rpm with my foot, and the car with a fully dressed interior and underhood. Turns out the DA shock was slightly shorter than the rancho. Setting your shocks and keeping track of tuneups o normally you want to run an auto with 2-4 speeds with a transbrake, for gear ratios it depends on the car and powerplant but you want to make sure 1st is pretty long like 100mph for a 8-7 second car which will make it so the car gets grip right at the end of the gear with the right tire set up then 2nd and 3rd gear are just for staying in the power curve while maintaining grip. 90s . Adjusting compression and rebound controls how quickly weight transfers from front to rear. Also, get some graph paper. com Sam's Alignment offering suspension tuning, double adjustable shock tuning and chassis setup for your drag car and street car. 10 to 4. May 16, 2015 · Double adjustables shocks in the rear are a must have for effective and repeatable 60 foots in an IRS equiped vehicle. Turning the knob See full list on penskeshocks. Positive caster will angle the suspension backwards so that the wheels are located further forward than the top of the suspension. One or more of the items in your cart is a recurring or deferred purchase. Adjusting Single Adjustable Shocks; Fine-Tuning Double Adjustable Shocks; Striking a Front and Rear Balance; Final Thoughts; STARTING WITH A CLEAN SLATE. Be sure to check Sep 23, 2012 · the bar angle is down in the front 1/4 inch more than rear if car is level ground tried first kit all over the board had best luck 30% for 1 sec but only 3 times the front shocks are set tight on compression about 15 clicks of 24 and rebound is 3 when trans brake is let go at 3400 the car sends the wheels in the air which i have about 4 inches of travel and carries them about 15 to 20 feet Adjusting and tuning a race car to optimize overall performance is equal parts art and science. Honda CBR1000RR; Honda CBR600RR; Kawasaki Concours 14; Kawasaki ZX-10R; Kawasaki ZX-12R; Kawasaki ZX-14R; Kawasaki ZX-6R; Suzuki GSXR1000; Suzuki GSXR600; Suzuki GSXR750; Suzuki Hayabusa Rex talks about fine-tuning your race car program with shocks and how shock technology has evolved over the years. 80s and . There is no magic formula for achieving a proper shock adjustment while the car is sitting still. Non-adjustable shocks put you in a box and limit what you can do, while adjustable shocks let you decide if your vehicle is going to dead hook, or give you the ability to generate wheel speed through controlled tire slip. Have replotted the rear 4 link (169% anti squat) afco big gun DA shocks all around. 70's in SBN/A 2012 SSBN/A Drag Week Winner First in the 9. com/KevinWilsonSBC?sub_confirmation=1How t Aug 13, 2020 · Car is pretty much stock 1979 Trans Am with a 496 BBC and weld-in frame connectors and SSM lift bars. Oct 4, 2018 · The instructions that came with my afco DA BG rear shocks came with a base line suggested setting of: On the rear, compression needs to be 18 from full tight and rebound needs to be 10 from full tight if the track is good or 15 if it is junk. 0L LS Lowered about 2" Front- Tubular control arms w/low friction ball joints. 57 with 4. Call on PRS for your suspension tuning needs. com/KevinWilsonSBC?sub_confirm Most people do not know this, and it can create frustration you don't even understand youre dealing with. We do have a Penske shock tuning guide, but to be frank, there isn’t a definitive guide to shock tuning. Box 548, Boonville, IN 47601 800. 5W that would stick on gravel. Sep 23, 2012 · the bar angle is down in the front 1/4 inch more than rear if car is level ground tried first kit all over the board had best luck 30% for 1 sec but only 3 times the front shocks are set tight on compression about 15 clicks of 24 and rebound is 3 when trans brake is let go at 3400 the car sends the wheels in the air which i have about 4 inches of travel and carries them about 15 to 20 feet Adjusting and tuning a race car to optimize overall performance is equal parts art and science. 5 135o 90o 45o 180o 0o 180o 135o 90o 45 0 8760 Series Damper Specifications SH-76___ BD-76___ Part Overall Shaft Metering Body Suffix Length Length Rod Length Length 100 10. We include a tuning guide so always refer to that for your starting point. Brake Fluid Tech Brake Caliper and Pad Recommended setups Aug 30, 2007 · race9899 wrote: Many cars will hook better with a stiffer shock setting because what cant be seen by the naked eye is the tire being mashed into the ground (this is when the rim gets real close to the ground because the tires are all wadded up) then it rebounds upwards and spins the tire, so a person thinks there is not enough hit when in actuality it is hitting the tire to hard. 576 with the shorter tires but were never able to duplicate that time. Double Adjustable Rear Shock Adjustment Procedure (Aluminum Body) Baseline adjustment procedures for aluminum body rear shocks. HOW IT BEGAN: John Calvert tried all kinds of racing before deciding to concentrate on drag racing because it focused on the skill and reflexes of the driver and the performance of the car. Voyager™: Only double adjustable shock on the market designed solely for maximized comfort and overall ride quality; Berserker™: High Performance shocks valved based on the vehicle and specific use suitable for street/track use; Crusader™: Competition only valved specifically based on the vehicle and the use (drag, pro-touring/time attack) Suggested Adjustment Procedure for Drag Racing STEP 1: Prior to testing make certain that the wheelie bars are raised as high as possible while maintaining control and eliminating their influence as much as possible on damper settings. Penske Racing Shocks provide quality, American-made custom shocks and play an active role in the setup of your suspension, as well as providing continued support as you make adjustments. Shock Tuning: Fine-tune shock absorber settings to optimize weight transfer and tire contact. Bought a DA shock and it got worse. The QA1 MOD shock lends itself to literally all different types of motorsports and street applications, although initially it will likely be embraced by the Pro Suspension kits, coilovers, shocks, driveshafts, and more. He bought his first stock race car, a 1957 Shock and Strut Technical Information. The #1 social media platform for MCAT advice. Our front and rear now have purpose-built drag struts and shocks so we can tailor the weight transfer on our 2011 Oct 6, 2009 · Craig W. Maximize the results of your shock adjustments with our free damper tuning guide download. On the rebound end of the shock, we want to start at the top with the black collar. You're at the drag strip and need to make adjustments to the rear shocks on your car. People also tend to over tighten the This week on TECH INSPECTION we focus on shocks for a radial tire application in drag racing. Jul 11, 2019 · A common question we get is "How do I adjust my AFCO shocks". com The compression adjustment is made on the body end of the shock. How to setup double adjustable shocks and coilover springs for drag race suspension. On a leaf spring/cal trac type car you want the majority of your shock travel available in extension, so at rest only about an inch or so of the shock rod should be showing. Shock adjustments need to be viewed and approached from a fine-tuning point of view. The goal of the team at Menscer Motorsports is to provide custom shock and suspension tuning solutions and performance racing parts to customers based on their specific needs. What they both had was plenty of bump resistance, which kept the car aimed skywards and contributed to making some cars a real handful to drive on the track. Feb 6, 2014 · Suspension Tuning Discussion/Tips Thread. Jan 13, 2015 · Later, 90/10 drag racing shocks were invented, which did much the same thing, in that neither the worn out shocks nor the 90/10 drag shocks had much if any rebound. These components allow for fine-tuning to achieve that perfect suspension balance. Feb 16, 2024 · With 4-way shocks, the door is wide open to very precise drag racing suspension tuning changes that are usually only beneficial to the most experienced drivers and crews. STEP 2: Place all damping controls on minimum. However, too soft shocks will make the body of your car bounce after hitting a bump or rut. As we explore issues you might face with drag racing suspension setups, keep in mind that every application will require a different setting, depending on vehicle weight, suspension geometry, available traction, and horsepower, to name a few. Nov 30, 2013 · No problem, I know nothing about drag racing suspension tuning. In this blog, we’ll dive into tire tuning for traditional drag racing and explore the specific adjustments needed for the unique challenges of no prep racing. What have other users of these shocks come across as far as the settings for a '70 Chevelle? Jun 14, 2006 · My 69 had a sixty foot of 1. If the car pulls left, then put more pre-load in the left bar. Our Suspension Tuning Guide explains what camber is and how it affects handling for cars that need cornering traction to win, but a drag car’s priorities are different. Nov 23, 2022 · You need to repeat the assessment process against the baseline. . when a true parallel 4 link suspension separates the IC length stays the same and and the AS goes up. Recommended baseline points for adjusting your shocks are outlined below: Crusader TM Double Adjustable Front Rear Off Track Handling Drag (Front Tie-Down) Drag (Weight Transfer) Off Track Handling Drag (Rear Separation) Drag (Weight Transfer) "AD" Valving - (Front) "AJ" Valving (Rear) end of the shock. racing/forums/aud-feeds Since 1991 Calvert Racing has been helping racers across the world tune in their leafspring suspension vehicles. talk to the truck pullers!i think a trany break would make it worse Consult Experts:Join online RC drag racing communities or forums to learn from experienced racers who can provide valuable insights and tips for suspension tuning. 4 days ago · Pingback: RC Suspension Tuning Guide – Bumpsteer - RC Cars News. Understand the Basics:Familiarize yourself with the key suspension components: Shocks: Adjust shock positions to control the car's weight transfer during acceleration and launch. 250 2. Whether you're equipped May 6, 2015 · The key factors here are that any shock or strut for a drag racing application should be adjustable, and feature drag race-oriented valving. You can tune for a stiffer shock rate, slowing spring movements to avoid bottoming out, or softer shock rates, allowing faster movement and improving traction. The goal with the front shocks is to control the rate of extension. Alignments, Brakes and all suspension needs. Rear Shocks . As a general guideline, lighter springs allow the car to easily transfer weight, and settle faster down track. The major consideration with shock tuning is Load Variation, or the cyclical change in load at the tire contact patch. Skip to the content (910)-491-2798 // Sales@MenscerMotorsports. Part 6 in our series of tutorial videos that explain how to set up your rear suspension takes a look at basic 4-link set up and adjustments. Jan 23, 2015 · Tech Tips: AFCO’s Drag Race Shock Tuning Guide Provides The Basic Road Map To Making Your Car Hook And Book. We work directly with teams to optimize their setups. Sep 14, 2023 · Adjustable shocks will really open up a racer’s tuning playbook when it comes to suspension changes. This adjustment is also commonly referred to as the “Bump”. If the car wads the tires up excessively, go 3 Oct 24, 2018 · We drag strip test Viking Crusader Double-Adjustable shocks on a 1969 Dodge Dart Northeat Sportsman Nationals at Numidia Dragway. They do not allow the suspension to move freely, and this is not ideal for the best-possible traction. I am currently doing your suspension tuning optimization coarse in seeking info on suspension setup for FWD drag racing. Apparently the coarse speaks mainly to road racing and circuit. The bump forces the wheel/tire/suspension assembly to “compress” or move upwards into the car. Jan 31, 2022 · In this article, we’ll explore basic shock tuning and the results you can expect, as well as what to expect if you invest in proper shocks with the correct setup and support. P. May 12, 2005 · I picked up some 275/60-15 Hoosier drag radials to play around with and was wondering if anyone had any good rules of thumb for suspension changes that I'll need to do. If a shock is too stiff, it can cause the tire contact patch to bounce off the road surface over bumps, making your car feel less predictable. Overview: The 4-Link Calculator lets you input, view, save, analyze and compare your 4-Link rear suspension geometry. Cars that need to make cornering grip may use up to three degrees of negative May 8, 2006 · The thing is if the rear is jacked up some it's going to reduce the amount of travel your rear shocks have unless you've put extensions on the shocks (stock type shock mounts). 67 @ 139 1. And like the compression adjuster, it only acts as a tuning device for one side of the shock valving – in this case, rebound. Tuning the front shock rebound and compression is a practice of observation first and then making adjustments based on how the car reacts. If the installed height of the shock is too short, and the piston (on the end of the shock shaft) hits the base valve (at the bottom of the shock), damage will result. Fine tuning the front shocks, either stiffer of softer, can get the best launch. Full 4 Link plotting and scaling of your drag car! Fine tune from there. The sheet with the settings in the box said something like 8 and 14, a lot higher then what Kelly at BMR said. Pulling a bunch of power on the brake to get it moving. Jan 23, 2015 Brian Lohnes 1320 Drivetrain Tech, 1320 Tech Story, BangShift 1320 Comments Off on Tech Tips: AFCO’s Drag Race Shock Tuning Guide Provides The Basic Road Map To Making Your Car Hook And Book Apr 23, 2015 · Four link tuning A drag racing friend of mine showed me this article. xxeldfhzdrggkujdsxfydpkayuktfepdcdqslrgrntqvrcoinv