there are a lot of knowledgeable guys there. In situations where the exit portion of the track provides less traction and/or the corner is more flat, we might need to develop more rear traction upon acceleration. 35809 FABRICATED IMPALA FRAME. Most of the ideas in this book are perfectly legal for any rule book. A slight amount of rear steer to the left has been shown to help provide more traction at the rear and bite off the corners where it is needed. One guy said it come up off the ground two feet. state doesn't have. Thank you for pointing out the obvious to me . Take a look at a metric street stock rear suspension video. JP, are you saying that you were allowed to run it in that form - stock lowers with an aftermarket upper link? Free . There are a lot of things you can do to improve handling. Forum Actions: Forum Statistics: Threads: 1; Swap Option: Medieval will build the chassis using one of our sandblasted frames. Your close on the springs if the car is 3200. We also discuss how to identify the cause and the best treatments for each type of pest. We also need to establish a ride height that will both be appropriate for our type of racing and also help to establish the best roll center height. The steering system in your car must be evaluated and any negative characteristics must be eliminated. Dec 24, 2005 at 5:33am. So, we either lower the rear RC or soften the springs, especially the right rear spring, or preferably do both. I ran a metric street stock at HMP for a number of years and was definitely not at a disadvantage. Truck99August 22, 2005 in Grease Monkey Hangout. So, in most cases, we need to run a softer spring in the right rear. They should also be able to run any panhard bar. I'm thinking about building a B Body for dirt track racing. "ULTIMATE" Racing Car Chassis Setup Guide and Tutorial. I know enough about suspension geometry and how to achieve it, but what i have been playing with now is CG and where it works best. Loss of efficiency can rob power from the drivetrain due to the generation of vibrations and harmonics that are also damaging to the bearings. Pavement Modifieds. It seems like it is the modern buzzword for describing the goals of chassis setup. 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. The effect is huge. Hobby Stock - (USRA/IMCA TYPE) Street Stock - (WISSOTA TYPE) Stock Car - (USRA/IMCA TYPE) jp. And, it must be economically applied. The more third link angle you have, the more antisquat there is. Cars that don't turn well are very likely to have poor MC designs. The upper IC is to the rear of the rearend and the IC for the lower links is well in front of the rearend. Not sure if there is a standard for metric cars but I havent found any specs on it. Roughly 8-10 degrees of third link angle is sufficient to promote antisquat and not hurt your corner entry. Home. Also the rear springs on that car Dave 24, are either Landrum 200-175 or Afco 194-166can't remember, Only if you are racing anywhere except Bonneville.lol Chad. Thats the theory and the science anyway. Understanding the relationship between the rear roll center on these cars and the setup will help us find a more balanced setup. The Metric four-link suspension design is a bit different than most other rear suspensions. Every year, Jack asks drivers for input regarding rules changes for the following year. Even when clear rules exist, the track officials are often reluctant to enforce them. lowers are stock location on frame. . View Profile View Forum Posts Private Message Visit Homepage 02-25-2021, 09:09 AM. This is because of the construction using angled, from a top view, arms that converge to points called instant centers. Moving the pull-bar or just the third link to the left increases the loading on the LR tire during acceleration. lol Stocks are turning the same times as emods at most tracks these days, maybe not the top 3 emods, but pretty much the same wich is crazy. CRA street stock. By 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. Still, teams want the most they can get out of their cars and if all of the above nine items are in order, by all means, go ahead with aero tweaking. We make it with either steel panels, or aluminium panels. We do not want to try to solve turn entry problems with the brake bias, we only need to make sure the car stays neutral in handling when the brakes are applied. Trends are a part of this learning curve and greatly influence some, but not all racers. Whats the dominant front clip, and what are they doing with these metric rear setups? The components that locate the rear end must be evaluated and set correctly. I feel the metrics should definitely be allowed panhard bars and rear weight jacks. That extra effort is what separates the front runners from the rest of the field. Off-centered adjusters can be very inconsistent. It depends on your rule book and it's enforcement. 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. See auction date, current bid, equipment specs, and seller information for each lot. For warmer track temperatures, you are going to need to tighten the car. The number one reason a car will be tight and not want to turn is because the front end is not designed properly. 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. When the LF is too cold, the RR spring is too soft. Some people add preload to the sway bar to make cross weight adjustments. 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. #1. I can only speak for THR, but we are not allowed to use adjustable shackles, or I should say we are not allowed to have shackles of different lengths. As far as I know, all of the iRacing asphalt cars are adjusted the same way. A three link with panhard bar using the stock lower mounts works fine. Prices listed are with a frame swap option. It also doe, Fighting Fungal Diseases on Plants - Exploring the Use of Copper, Daconil & Copper Fungicides, The use of copper to fight plant diseases is an intriguing concept that has been around for some time. by RonL Fri Jan 02, 2015 12:36 am, Post I would run either the pure stock or street stock class. I never got to the experimenting stage on asphalt. Setup Tips for Metric on asphalt racecheep. The bottom line is that at mid-turn, each end will want to roll to its own degree of angle. My truck has weight jacks and a stock 4 link. There are some different lower a-arms and front suspension things to make them even better. This configuration is common in General Motors cars built in and around . We can lower the rear RC by making changes to the mounting points. Get any of Steve Smiths street stock books for general knowledge in the essentials of cam/cas, toe out , roll center etc. Full of fuel, everything done, full of oil, lead bolted down. Built to the same high standards of safety, quality and craftsmanship that has made Port City Racecars an industry leader. This force is resisted by the ball joints and control amrs. Wheels. The car will turn better and we will have more bite off the corners. 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 . Always try to start with the track bars first. Antisquat is detrimental to corner entry. Stretch Film Division. These components include the radiator, oil/transmission coolers, & brakes. The upper BJ is trying to be forced in a forward direction and the lower BJ is trying to be forced in a rearward direction. Divide that in half for the center of the wheel. If the car feels tight on corner entry, raise the left track bar. We run on a semi flat 1/2 mile asphalt track. where can i get info on the set ups for a metric chassis short track dirt car, Do Not Sell or Share My Personal Information. Everything you need to know to build, set-up and race a Street Stock competitively. Although Im sure youre backing up your corner and lifting early, it can still wear the right front because the tendency is to lift as late as possible which can cause a faster corner entry than you might realize, causing the RF to heat up. We must develop ways to create more rear traction on acceleration only. That's why I asked about weight jacks in the original post. A 1/2 inch height change from level can make significant handling changes. You must log in or register to reply here. How do I adjust the cross weight in an iRacing setup? I wondered if a 3 link could be made to work well without them. But there is still some changes to be made from track to track. 35810 FABRICATED CHEVELLE FRAME. A high rear roll center causes a short moment arm in the rear suspension and will stiffen the rear suspension similar to installing very stiff springs. Caster. I talk to lots of racers representing every form of circle track racing in every region of the country and beyond. Symptoms include bronzing on stems and petioles, curling and drying up of leave, This website uses cookies for functionality, analytics and advertising purposes as described in our. Your email address will not be published. Ill provide a couple of tips that will help you get your car tighter or looser, whichever you need. The cross weight adjustments should work on all dirt cars except the Sprint Cars. Rear Geometry Ive read alot of stuff, some of it usefull some of it crazy. is applied to the front bumper & air dam of the car covering the openings for air flow to the various components that are cooled through Posted August 22, 2005. It costs just as much money, if not more, to run poorly, so you might as well learn to run well. Of the other two, camber is well-recognized, but for all intents and purposes, the least-understood . Competitions are held on oval tracks . Only at teamsimkins.com. I don't know much about spring adjusters hidden or otherwise but I'd say they could be made to work. Add to . Unfortunately, most rule books that I have dealt with are very vague. Just about all the available setup options that you can adjust on a real WC car can be adjusted in the sim. Wheel Covers. Has gone 1.29 60 ft on spray, has 28 10.5 et street tires on it also. Filter by. The preferred way to adjust the cross weight is by moving weight around. Since mustangs have a similar rear suspension would these same mods work? I was wondering if anyone out there had any experience circle track racing a mopar unibody. To add weight to a given corner, raise the ride height at that corner or lower the ride height at an adjacent corner. In Stock. Splash = 2-3 gallons, 1/2 can = 5-6 gallons, 1 can = 11-12 gallons, 1 1/2 cans = 17-18 gallons, 2 cans = full tank. LIT-A950700016 80275NDP Ford Mustang Cobra HE. We were allowed weight jacks and after market uppers in front also. The car is loose mid to exit with not foward drive. Nick and I agree on something! Metrics can be competitive IF they are permitted to address their four-point rear suspension problems. Bush i agree with your Eriez/ 7 comment. 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. Disconnect the sway bar and zero (unload) it. Nick might be a better theory guy but I don't think that just adding a panhard bar will get you there. 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. After payment you will be directed to a download page. Letting the metric cars run Camaro spindles would be a step in the right direction. This guide is very similar to the NASCAR Racing setup guide. $1,700. Location. Less fuel equals faster speeds. SAS I seem to remember being faster than the sportsmans. Taipei, Taiwan. The driveshaft alignment is critical from the standpoint of mechanical efficiency. Most of the time when some ask the question they are at that point and just don't know it. For the novice sim racer, all these setup options can seem overwhelming & confusing without the knowledge of what all these adjustments are or do.By understanding the basics of what each component is & how it directly effects the car, you'll quickly discover what direction you should head when trying to adjust for that looseness exiting the corner under acceleration. Over the years I have had lots of feedback that most these concepts and ideas work great on dirt, on front wheel drive mini stocks, on almost any street stock, production typerace car. When thisbook was originally published in 2001 it was specifically for GM Metricchassis (78 or newer Malibu, Monte Carlo, Regal and Cutlass cars) racing on asphalt. These cars were meant to ride down the road nice not be fast on dirt, so you have to redo all of the mounts, change the length of the trailing arms, use hiems and/or rubber bushings or even spring loaded trailing arms to build traction. Did they allow weight jacks? 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. If the car feels loose on corner exit, lower the right track bar. Do not seek aero downforce at the expense of aero drag increase. 358101 FAB . Thats with a 305 a ton less HP. I would say 99's priorities worked just fine. A spring split of 250-lb/in spring in the left rear and 200-lb/in spring in the right rear is common. Alignment issues are defined as: A. rearend alignment, B. contact patch alignment, C. driveshaft to pinion/transmission alignment, and D. engine alignment. It might help to leave it unattached on ovals. 10. 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. Then should I use brakes more? My name is Rodney Arndt, I have an associates degree in automotive technology. Its important to make even adjustments, meaning you should make the same number of clicks on each spring perch. 10702FMI FRAME & CAGE - FAB IMPALA MOD. ! Page 1 of 1. Stock Car Racing, NASCAR, Late Model, Sooner Speedway, Frost Racing Team, Race Links, Chevy Monte Carlo . Some of the names, most notably in the asphalt Street Stock springs, are different, but the process is the same. In an effort to clear up some of the confusion over all the setup options included within NASCAR Racing, I decided to put this guide together to help you better understand what, why, & how adjustments are made in the sim. 1980 Camaro bomber class street stock crate motor ford 9inch.
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