If we arrange our control arm angles, from a side view, for antidive, then as the car dives the upper BJ would move to the rear and the bottom BJ would move to the front. These pads are use on dirt for medium and heavy braking, and asphalt for sportsman and Hobby Stock cars. Another gardener is pla, Get Free Seeds & Taste the Delicious Flavor of Estler's Mortgage Lifter with Edweather's Generous Offer, Estler's Mortgage Lifter is an heirloom tomato variety developed by William Estler in the mid-1920s. by RonL Fri Jan 02, 2015 12:36 am, Post SR10 Dirt Oval RTR. If the car feels as if it wants to break loose under throttle in the center or on corner exit, or drive off the right rear wheel (wheel spin), increase the cross weight. It has been found that the misalignment of your tires/wheels presents serious drawbacks to a finely tuned chassis and setup. Wonder how fast it would be if I changed the locations. Make small adjustments, about one half of one percent. Setup Changes For The Metric four-link Even if we can lower the rear RC to around 13 inches, that's still a high rear RC. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Your email address will not be published. The driveshaft alignment is critical from the standpoint of mechanical efficiency. Officials are trained to find sneaky parts. See All - Best Selling. We are only talking about a difference of 0.040- to 0.060-inch, but that is enough to help stabilize our car on exit and provide added bite. I have little experience on dirt but can definetely notice this! Click. Every year, Jack asks drivers for input regarding rules changes for the following year. Truck99August 22, 2005 in Grease Monkey Hangout. Just giving the car more rear traction, period, does not help us if the car becomes too tight in the middle of the turns and we could end up with the reverse of what we need. This force is resisted by the ball joints and control amrs. After you get the cross weight where you want it, adjust the ride heights. Most often, these pivot points are the upper and lower ball joints in your double A-arm style suspension system. I built Couchenours 99 car . I don't really encourage that method. Before you start your season, you need to create your LIT-718 80291 1997 - 2004 Mustang Radiator. A 1/2 inch height change from level can make significant handling changes. Adjust the cross weight for more extreme conditions or different circumstances. As a general rule, most asphalt stock cars run around 3.5 to 4.0 front roll center height, although many run lower roll centers than they would like simply because the stock location is very low . Did not get DQ'd but after the race the promoter told him that too many other cars were complaining and he would not be able to run the car in that class. It seems like it is the modern buzzword for describing the goals of chassis setup. Since mustangs have a similar rear suspension would these same mods work? Keep It Fast and Cheap. as for the powertrain setup, 40 over 350 basically all stock with 882 heads and a 450lift isky oval track cam, brand new factory q-jet, running a 3-speed saginaw factory clutch/PP pulling the track in first gear, 2.54 with a 2.73 ring/pinion, not very big on power for the setup works VERY well together for this track, if you can keep it . Leaf springs are important when towing heavy objects.Bear with me here, this digs a little deeper into how leaf spring suspensions work. For example, if your initial setup is 52 percent cross-weight, and you want 50 percent cross-weight, lowering the right front or left rear corner will decrease cross-weight percentage. Just about all the available setup options that you can adjust on a real WC car can be adjusted in the sim. There's a happy medium between running just the right soft right rear and going too soft. Get it right or don't get it at all. When you enter the corner you are going to slow down. Its important to make even adjustments, meaning you should make the same number of clicks on each spring perch. Disconnect the sway bar and zero (unload) it. Whats the dominant front clip, and what are they doing with these metric rear setups? I drove the #01 ss for two years and tried everything I could think of within the rules and it was a hard job to keep the car in control because of the binding of the rear suspension. We run on street tires and can not move suspension mounts (viasably ) I won the championship last year with a car . One guy said it come up off the ground two feet. 30 day Money Back Guarantee!- If you don't learn something that helps you go faster, email me and I will refund 100% of your money back. What Are Russet Mites? pretty much none of that ++*% matters at stateline, it is mostly driver and survival is the name of the game, get all your angles and roll centers figured out and you will be faster when you make it to the front i have seen dozens of cars that dominate in the stock class at stateline but get squashed at eriez and rw7 however once you get a car fast at either of those tracks then you will be fast everywhere you go. Administrator. If the car feels loose on corner entry, lower the left track bar. I was thinking this setup might help because their are not alot of different way to adjust these cars other then stagger, offset, and maybe shocks. 9. Manyof the ideas fit into the gray areas and some of them are outright cheating. Port City Racecars Road Race Chassis is a purpose-built racing machine. Most good cars are built on wheel scales. The artistry comes in when you actually do it. Sep 1, 2009. There are ways to do that without changing the handling at other points around the racetrack. there are a lot of knowledgeable guys there. MSRP: $515.99. The more third link angle you have, the more antisquat there is. At some point, we take in enough information to allow us to avoid the mistakes of the past and get ahead of the curve in setting up our asphalt cars. Setup Balance Nick might be a better theory guy but I don't think that just adding a panhard bar will get you there. I'm curious what everyone's thoughts are on what it would take to allow the metric cars to be competitive without giving them too much. No matter which stiffness you decide to go with, the most important aspect of setup is balance, and you achieve that balance with the correct combination of springs, moment centers, sway bars, and load distribution. Oct 12, 2013 #2. Check with the rules to see if it's even mentioned. But just wondering what the heck guys are doing to these metric street stocks to make em so fast. I never felt good about cheating but when everyone does you need an even playing field. LOL. -3 . 03 0@ 34-.=- 2 ++(+'o $ (&%q qqqqqqqqqqqqqqqqqqqq ,&%q qqqqqqqqqqqqqqqqqqq qq (,%q qqqqqqqqqqqqqqqqqqqq ,,%q qqqqqqqqqqqqqqqqqqq qq This develops more crossweight as the car squats on acceleration. . So, in most cases, we need to run a softer spring in the right rear. How about just adding a panhard bar to the stock four-link setup? ; C1 - Designed for medium to low brake temperatures and provides good cold bite while being rotor friendly. 10702FMI FRAME & CAGE - FAB IMPALA MOD. I wondered if a 3 link could be made to work well without them. Less fuel equals faster speeds. I don't know much about spring adjusters hidden or otherwise but I'd say they could be made to work. Save these setup files to C:\Documents\iRacing\setups\dirtstreetstock\. Posts: 72. I think if I had the opportunity I could make the 4-link work on asphalt using a similar set-up that I used on dirt. Caster is best described as a vertical line that runs through the 2 pivot points in your car or trucks suspension. I have had a lot of feedback from teams who did the same with the same results. $1,700. 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
Steering Geometry I will post as I no longer race, the biggest thing is the angle of the upper and lower control arms in the rear, you need to understand roll center and instant center to be able to adjust it correctly. With so many different combinations of possibilities it leaves us with literally thousands of possible chassis combinations to choose from. We even did pretty good with it in the THR LLM class back in `99. Quote. Might go25- 50 pds more on each side and the left side should be more than the right side. So don't try it. Sometimes weather differences will require changes to either tighten or loosen the setup. Most guys that are fast there are fast everywhere. It is a low acid tomato with a unique flavor that has been described as sweet, yet slightly tangy. The steering system in your car must be evaluated and any negative characteristics must be eliminated. METRIC CROW FOOT Other Items Online Auctions at EquipmentFacts.com. It would be nice if we could change the rear suspension, I have done a lot of research on it and have found some info, there is just not a lot legally that can be done with it. I set the car up a particular way last year and won a heat race with my street stock in the late model class at HRP. Lee Christjohn of Antigo, WI knows what it takes to win street stock races. The 1st thing we will need to do is look at the car, where are we with your current setup and how far can we go with that setup. Do not seek aero downforce at the expense of aero drag increase. We can add the stiffer bushings to most of the points, but leave several, one at the top and one at the bottom, as a rubber bushing to absorb the torque created in roll. Thanks g dirt i will try that.im not totaly done with car yet just try to get ideas thanks, you are real close to what guys are running, but g is right, scale the car, i run leaf springs or i would tell you what i was running. JavaScript is disabled. Going way back I remember running a early 70's Nova in the street stock division at the old Nazareth 1/2 mile dirt track in the early 80's. Damn, they were some wild nights up there. So, again this year as in past years, we will present what is admittedly the formula for success related more for the conventional and what we call soft conventional setups mainly because these are the ones that produce more consistency and do win races. View all S3SS. Here are some recommendations. My name is Rodney Arndt, I have an associates degree in automotive technology. I don't get too many reports of continual, repeated wins and successes. It locates the rearend fore and aft, it reduces rear steer when the chassis rolls, it prevents axle wrap-up when braking or accelerating, and it provides a relatively stable roll center location. Wheels. With several wins and a championship under our belt after the first year . I would suggest going to www,4m.net to the tech board. Love it when people explain why somethings done rather than just saying this is how its done., Thank you Jeff! The amount of difference you need is directly influenced by the installed motion ratio of the spring and the spring rate. Lowering the rear RC and softening the RR spring will help solve the problem. I noticed the camaros can arch or de arch springs. Since the braking forces are in the opposite direction, there is a serious resistant force created which helps prevent the front suspension from moving in compression too quickly while braking. The engine should always be aligned perpendicular to the rearend and/or parallel to the centerline of the car. Posted 5 weeks ago. That troubles me. I have always believed in priorities because you can make gains faster when you solve the high priorities problems first. We also might want to change the locations of the chassis and/or rearend mounts for the links. Long exposure, Nikon D810. Quick view. Add Comment. Adjust the cross weight for more extreme conditions or different circumstances. This variety grows best when grown alone and can reach up to 12 feet tall. I got a 1000 on ebay 150897831883 at like $5.00 I would do 1100 RF, 1000 LF, 225 LR and, 175 RR but that was on big chevelle or impala chassis. More has to be done to help the rear roll to match the front. The metrics at THR are NOT competitive compared to the leaf cars. 1980 Camaro bomber class street stock crate motor ford 9inch. Required fields are marked *. If your vehicle of choice utilizes a McPherson strut style front suspension, then your 2 pivot points would be . One way is to have a rear spring split, where the right rear (RR) spring has less spring rate than the LR spring. Billy Becka's 29 car, as he mentioned, was fast at SAS, but THR and SAS are very different beasts. Can a 3-link be used effectively without weight jacks? Adjust all four spring perch offsets to change the cross weight. I talk to lots of racers representing every form of circle track racing in every region of the country and beyond. Ill provide a couple of tips that will help you get your car tighter or looser, whichever you need. It costs just as much money, if not more, to run poorly, so you might as well learn to run well. Aug 24th 2005. X-Y-G METRIC STREET STOCK / SPORTSMAN HEADQUARTERs 704-784-5353. Then should I use brakes more? Thanks a lot for making it. Im using a 9" floater, locker, 60" w/centered pinion. Great advice! I would trail brake or lift earlier. Always try to start with the track bars first. Divide that in half for the center of the wheel. The influence of the location of the front MC can be compared to a sliding scale. Grill tape is nothing more than duct tape. Conclusion The front geometry on a metric car isnt as good as a Camaro though. That move took this design to the next level. Adding neoprene bushings to all of the connection points will unnecessarily restrict movement and cause the chassis to be stiff in roll. Your statement that the 3-link is what the metrics needed to level the playing field is the type of feedback that tech. rolling chassis. ANYBODY KNOW OF ANY STREET STOCK RACING CHEATS/TIPS. Forum Actions: Forum Statistics: Threads: 1; Johnny likes a softer feeling car, front and back. Once the setup has been balanced and the shocks are decided upon, we need to evaluate the turn-entry characteristics and the fact that brake bias is a very important influence at this segment of the track. The last time I drove that car I put a short third link (11 inches long) and a long panhard bar after that any adjustment I did to the car it did what it was supposed to do. Am I correct that you would reattach the sway bar after making the perch adjustments? Did you see anything interesting? It may take a few test sessions to help you determine your balance, but if you observe the indicators correctly, then tuning the car for dynamic balance can be done. My old car had a stock frame front to back with just the suspension pick-up points changed, it took a lot of trial and error over three years to get a good baseline for most tracks. Shocks affect the motion of the corners of the car and therefore the placement of loads during transitional periods. Has gone 1.29 60 ft on spray, has 28 10.5 et street tires on it also. The setup we choose needs to be arranged so that the dynamics are balanced between the front and the rear suspensions. To sort of act as a pull bar? Track Tools. 266. If those desired angles are different, then we term the setup unbalanced. SUCH AS SPRINGS, SHOCKS, SWAYBARS ETC. Some of the names, most notably in the asphalt Street Stock springs, are different, but the process is the same. Join OSR Voice/Text Chat. Car has stock location rear links and stock links , different bushings . Cra bomber, turbo ,etc. Here is a synopsis of how camber effects the handling of the chassis: Here are the diameter choices of the bar: The grill tape option is located under the drivetrain/aero tab within the garage menu. Antidive helps prevent sudden nose dive on entry by mechanically resisting the downward motion of the suspension using the rotational forces created through braking. competition. They should be matched up within a couple of degrees of average temperature across the tread. 4. If the car feels loose on corner exit, lower the right track bar. The set-up really planted the RR tire. If the camaros are allowed adjustable rear shackles and are allowed to use different lowering blocks then they already have weight jacks and are allowed to adjusted rear roll center. Maybe if Billy would be more specific about how he made his stock setup work we could learn even more. Brian Wise. That is the best description of the result of the dynamic force that influences each system. If the car feels tight on corner exit, raise the right track bar. In order to slow you must lose (kinetic) energy. Pavement Modifieds. What do I do if the car is loose or tight throughout the corner? Moderators:FeliciaMC88, UFo Race Championship. For many gardeners, it starts with tomatoes. I was also wondering, are there any tricks you have to make your tires wear slower without damaging speed. 6 pt roll cage setup for easy in and out street use. Refer to the images below. Hey I am looking for some guidance setting up my 4 link GM metric rear end. I also vote for weight jackers in ALL SS or Sportsman level cars simply because they're so cheap and make life so much easier for the teams. We are at a crossroads at this point in time with setup technology in asphalt racing. I'm a former NASCAR short track driver and league administrator for SASCAR. Don't get me wrong, I like our leaf car for obvious reasons, but it would be cool to see a bunch of metrics out there running well also. These components include the radiator, oil/transmission coolers, & brakes. *-*. Most of the time when some ask the question they are at that point and just don't know it. by RonL Fri Jul 17, 2015 12:02 am, Powered by phpBB Forum Software phpBB Limited, Shocks, Springs, Brakes, Frame, Body Work, etc. . Download the Jet Mod Scale & Setup Sheet Here! Street stock, pure stock, sportsman, factory stock. I dont really recommend it. by . (Uncheck the box beside Attach left side and use the arrows beside Left bar end clearance to zero the preload). Most Metric cars I've evaluated have rear RC's up around 14.5 inches off the ground. Happy New Year. Antisquat results from the third link trying to straighten out, or become more horizontal as the car accelerates and the rear end desires to rotate. If the LR tire is too cool, then the RR spring is too stiff. Just trying to help someone. Estler's Mortgage Lifter is ideal for growing in northern climates due to its ability to withstand cooler temperatures better than other varieties. Over the years, most of the things that I have learned about racing, I've learned the hard way. Your close on the springs if the car is 3200. From NE Ohio to North Central Mississippi, everyone has their own ideas and preferences for what they will plant this year. The car will turn better and we will have more bite off the corners. And as for you Modified and Stocker class teams, don't even think about it. As each season comes along, our knowledge of what we need and desire grows. Welcome, Guest. The images used are taken from the iRacing Super Late Model setup screen. Vintage/Classic/Historical Engine Tech, 3V Performance Engine & Valve train Development, Race Cars & Parts - For Sale or Wanted, Asphalt circle track metric GM 4-link questions, Re: Asphalt circle track metric GM 4-link questions, https://www.physicsforums.com/threads/r ss.326355/. how to adjust iRacing Sprint Car cross weight, go here. Not that you can't get the same handling results with shims, etc., but it's a whole lot easier to adjust the handling of the car with weigh jackers. If we have a top view difference in alignment between the transmission output shaft and the pinion shaft and they are parallel, then the angle to the driveshaft created by that misalignment might be sufficient to provide the needed angular differential needed for loading the U-joint bearings and reducing negative harmonics. PREMIER. After payment you will be directed to a download page. I would like know what the ic would be on a g body with a 9 inch in the rear with stock suspension. For warmer track temperatures, you are going to need to tighten the car. Bilstein Stock Car Shock Package Fits the popular metric chassis (4) Front shocks (3) Rear Shocks Stock Mount front and rear Additional Features Nitrogen Gas . Location. I ran a metric street stock at HMP for a number of years and was definitely not at a disadvantage. Create New Wish List . Its not necessary unless your own a road course. I haven't plotted it all out but four links, none of which are at the axis of rotation, would tend to fight each other as body rolls. The CCMS rules allow 3rd link and panhard bar. I measured ours at close to 20". View Profile View Forum Posts Private Message Visit Homepage 02-25-2021, 09:09 AM. Here are what we consider to be the 10 most important areas of chassis setup with No. Because these cars are being used in great numbers in the Stock classes of racing here in the U.S., we need to have a better understanding of the design and how it relates to the setups. Those cars are coming around becoming competitive. It may not display this or other websites correctly. Has boxed lowers, adjustable uppers , stock springs and shock. We took all the cross out like Lee and trailed the RR and did not use much stagger. The components that locate the rear end must be evaluated and set correctly. There is no one big trick to make your care handle better, rather its all the little things done right that will make you consistently fast. The track was a 5/8 mile asphalt and was extremely fast. The only component were worried about is
If all of these issues are evaluated and corrected, then you can move on. Looking forward to the tips for Dirt Oval racing! The car is loose mid to exit with not foward drive. 30 day Money Back Guarantee!- If you don't learn something that helps you go faster, email me and I will refund 100% of your money backAfter payment you will be directed to a download page. Location:Austin, Tx. 6. This will help keep your ride heights in the ballpark. Also has a anti roll bar added to it. The lateral location of the third link can affect the distribution of load among the two rear tires that results from acceleration and antisquat. Basically, if the suspension mounting points must remain stock, the leaf spring cars will dominate (at least on ashpalt.). The less fuel in the tank the tighter the chassis will become. March 27, 2015. I'm thinking that a panhard bar would eliminate side to side motion but little else. A very soft spring would need more compression rate and less rebound rate, whereas a stiff spring would need a lot of rebound rate and much less compression rate. The number one reason a car will be tight and not want to turn is because the front end is not designed properly. 10. When this book was originally published in 2001 it was specifically for GM Metric chassis (78 or newer Malibu, Monte Carlo, Regal and Cutlass cars) racing on asphalt. the force of air. Thats with a 305 a ton less HP. For the Big Bar, Soft Spring setups, teams often introduce Pro-dive into the left front suspension to encourage rapid dive on entry to get the left front down quickly. The upper IC is to the rear of the rearend and the IC for the lower links is well in front of the rearend. Conversely, if the car feels tight throughout the corner, raise both track bars. SR32 - Developed for the right fronts of dirt cars where low grip is needed to help build bias in the front brake system and help the car turn better when you have to use 4 wheel brakes. Christjohn likes to get to the track early and get his car set up so he can watch the races. JP, are you saying that you were allowed to run it in that form - stock lowers with an aftermarket upper link? Letting the metric cars run Camaro spindles would be a step in the right direction. This guide was awesome! Your email address will not be published. How do I tighten or loosen the car on exit? Pavement Late Models Stock Cars. You can then make fine adjustments with the sway bar preload if desired. They aren't expensive to buy or install, WB shocks are the same price as stock mount ones and bolts allow for much easier tuning. It's on a car that I'm helping with. Greetings guys, Im new to the site. To download a copy of the E-book, simplyclick on the link below. In short, you'll get more rear grip by lowering the rear RC. So, it might be the best for asphalt racing to run as low as possible or as much as the rules allow to create a lower center of gravity. Coreless Stretch Film; Pre-Stretch Film; Hand Roll; Machine Roll; Jumbo Roll; Industrial Plastic Division. .220 to .235 would be fine without a quickner. Posted August 22, 2005. 358091 FAB IMPALA, NO UPPER MOUNTS. You might try a little trail braking. If it is too far to one side, then changes to the brake master cylinder sizes and/or the pad compounds might need to be made in order to maintain a centered-bias adjuster. Fox80. I ran a street stock/sportsman from 1995 to 2000 with a metric frame. men need when considering these types of changes. I see the times at CCMS are identical, THR the truck .5 sec quicker. Poorboy, I think you're exactly right. Off-centered adjusters can be very inconsistent. Other competitors will offer you tips, but what works on their car may not work on yours and often they cant explain why something works for them, it just does. A three link with panhard bar using the stock lower mounts works fine. For the lower links, lowering the chassis mounts at the front of the link lowers the rear RC. Hardcore Package - $5,700 (2023 Pricing) *Some components included in the package are not shown in picture below*. Conversion to Race Car When we convert a Metric four-link suspension to a racing application, we need to be aware of several important factors. S3 - Street Stock - USA $4.00; S3 - Street Stock - Lanier $4.00; S3 - Street Stock . If the same stiffly shocked corner is in rebound, less of the overall load will be retained by that corner, and its diagonal corner as well, during the rebound cycle only.
Is Dennis Haskins Still Alive,
Fivem Weapon Wheel Script,
Property For Sale East Lothian,
Articles A