With so many different combinations of possibilities it leaves us with literally thousands of possible chassis combinations to choose from. I would trail brake or lift earlier. set the tone for how the parts and setup will work. We got away from running thatmuch cross as the car was pushy. 35810 FABRICATED CHEVELLE FRAME. A spring split of 250-lb/in spring in the left rear and 200-lb/in spring in the right rear is common. LIT-718 80291 1997 - 2004 Mustang Radiator. sj_valley_dave wrote on 05/01/09 at 12:12pm: I spoke with Dave24 after last weekend, he dropped the fronts down to 700 LF and 800 RF and got the cross down to 45.8%, pulled the bolt out and floated the RR spring. Ackermann is easily checked by using a laser system or strings. Location. Ive made the brackets on the rear housing (lowers) longer with trailing arm mounts that have 3 . Car went anywhere he wanted and was quick time, won the trophy dash, heat race and main. Less fuel equals faster speeds. We had no idea how popular and successful this line of chassis would be. Both of these ICs act like hard points of resistance to lateral movement of the chassis. This setup guide also has new information based on the changes that go along with the new version of the sim. I'm thinking that a panhard bar would eliminate side to side motion but little else. Antidive helps prevent sudden nose dive on entry by mechanically resisting the downward motion of the suspension using the rotational forces created through braking. I guess the leaf cars could be allowed adjustable shackles in the rear to even that one out, sort-of. A tight condition is the number one complaint from drivers. Once you've made the entry to the corner balanced, check to see if the adjuster is centered. A three link with panhard bar using the stock lower mounts works fine. This configuration is common in General Motors cars built in and around . Free . 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. The car will turn better and we will have more bite off the corners. #1. 35809 FABRICATED IMPALA FRAME. We also discuss where we want the roll cente. Stock Car Racing, NASCAR, Late Model, Sooner Speedway, Frost Racing Team, Race Links, Chevy Monte Carlo . Im using a 9" floater, locker, 60" w/centered pinion. But the most useful rear steer will only occur on acceleration and not at mid-turn. For warmer track temperatures, you are going to need to tighten the car. The preferred way to adjust the cross weight is by moving weight around. "ULTIMATE" Racing Car Chassis Setup Guide and Tutorial. Be careful not to overdue that. 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. Metrics can be competitive IF they are permitted to address their four-point rear suspension problems. Lowering the rear RC and softening the RR spring will help solve the problem. Biggest change is getting ride height . To download a copy of the E-book, simplyclick on the link below. Required fields are marked *. I had a very experienced racer come out and help us one time and he said the problem he saw with the car is the rear end looked as if it was shifting to the left by a couple inches. Only at teamsimkins.com. The use of softer front springs, larger sway bars, and big spring split in the rear has swept across the country for more than five years now with mixed results. This 7 shock kit includes shocks for every track condition with tips to help fine tune your racecar. Everything you need to know to build, set-up and race a Street Stock competitively. 8. For me its very hard to be consistent and to adapt to the changing track states! 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. Racing Aspirations refers to this point as the roll center (RC), but it can also referred to as the moment center. I can understand not allowing alot of stuff from a cost perspective but weight jacks seem to be one of those things that are cheap to begin with and you end up spending 3 times as much money and alot more time trying to get the same result while complying with rules that don't allow them. From NE Ohio to North Central Mississippi, everyone has their own ideas and preferences for what they will plant this year. Verndale, MN. Has gone 1.29 60 ft on spray, has 28 10.5 et street tires on it also. Since mustangs have a similar rear suspension would these same mods work? The lateral location of the third link can affect the distribution of load among the two rear tires that results from acceleration and antisquat. there are a lot of knowledgeable guys there. What do I do if the car is loose or tight throughout the corner? Whats the dominant front clip, and what are they doing with these metric rear setups? Circle Track Wheels. We took all the cross out like Lee and trailed the RR and did not use much stagger. I understand not wanting to share to much especially if your a racer, but who or where else can I gain info on this? On a metric four-link car, the four control arms determine the rear moment center height too. Wheels. Antidive and antisquat are mechanical influences that can help our transitional phases of entry and exit. Ill also answer a couple of common questions: These changes are applicable to all asphalt oval cars. 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. Divide that in half for the center of the wheel. Pure Stock Tech. A three link with panhard bar using the stock lower mounts works fine. 1 being the most important. Quick view. Additionally, modern pennies are only 2.5% copper, so older pennies should be used instead for better results. Please Login or Register 03/04/23 at 12:37am, what front springs to start with and whats a good baseline for wieghts the minum is 3100 what do i need for leftside,rear,and cross. 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. I would like know what the ic would be on a g body with a 9 inch in the rear with stock suspension. Dirt Race Life is explaining how to draw out the front end on a race car and determine where the roll center is. 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. Taipei Taxis, City Traffic Taiwan Street scene in the capital city of Taiwan at dusk with motion blurred taxis and traffic in the streets. Flat Tracks: On an asphalt car, utilizing slightly stiffer rebound on the left side, while softening the rebound on the right side, will generally enhance the handling of the car. See All - Best Selling. .220 to .235 would be fine without a quickner. Click. My Metric front end setup. Use the "new" 7 inch arm on the RH and the 8.5 on the LH. Get the best deals on Asphalt Oval Racing Parts when you shop the largest online selection at eBay.com. Still having problems? Brake bias influence can be easily determined by entering the corner with medium to heavy braking first and then entering with light braking to see if there is a difference. ; this was with all four stock trailing arms. Setup Tools. If we can raise the upper front link mounts, we can lower the rear RC by lowering the upper IC. After payment you will be directed to a download page. If those desired angles are different, then we term the setup unbalanced. For many gardeners, it starts with tomatoes. In 2005 Victory Circle entered the world of dirt racing. Roughly 8-10 degrees of third link angle is sufficient to promote antisquat and not hurt your corner entry. These cars just take a little longer to get them set-up compared to the camaros, but there are alot more adjustment points to help you get and stay fast. I was also wondering, are there any tricks you have to make your tires wear slower without damaging speed. by RonL Fri Jul 17, 2015 12:02 am, Powered by phpBB Forum Software phpBB Limited, Shocks, Springs, Brakes, Frame, Body Work, etc. These components include the radiator, oil/transmission coolers, & brakes. I don't get too many reports of continual, repeated wins and successes. I'm a former NASCAR short track driver and league administrator for SASCAR. 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 . Send your request to bob.bolles@sorc.com. This variety grows best when grown alone and can reach up to 12 feet tall. Each end has its own moment arm length and resistance to roll as well as other factors. Then all you have to do is maintain that balance throughout the season and that means resisting making changes that take you outside that envelope. These pads are use on dirt for medium and heavy braking, and asphalt for sportsman and Hobby Stock cars. If you use no brakes you can wear the right front. Chassis Setup Docs Hyper Racing. This means keep track of weight coming off and going on. Numerous car builders have come to realize the truth in the above statements. When we recently set up our Project Modified for our first race, we followed a simple list of to-do items that are the same for every race car I ever set up. If the car feels loose on corner exit, lower the right track bar. You might try a little trail braking. in Exotic Race Cars on a Real RaceTrack, Copyright 2000-2023
Told me he might be going to Lebanon to run now. Understanding the relationship between the rear roll center on these cars and the setup will help us find a more balanced setup. 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. There are some different lower a-arms and front suspension things to make them even better. I talk to lots of racers representing every form of circle track racing in every region of the country and beyond. Mod Four Tech. If you find that the left rear is the coolest tire on the car, then you have a setup balance problem where the rear is too stiff. 1980 Camaro bomber class street stock crate motor ford 9inch. And, of course, Terry chose to park it. I have little experience on dirt but can definetely notice this! Competitions are held on oval tracks . There are ways to do that without changing the handling at other points around the racetrack. If you could slide the MC to the right, or outside of the turn for you road racers, the front end will get stiffer. Using our asphalt design technology as a building block and the dirt experience of our new shop foreman we designed our first dirt late model. This is very "old school" but when applied with a balanced setup, very effective. Steering Geometry 321. So, in most cases, we need to run a softer spring in the right rear. Plan to win in a repeatable fashion. The bottom line is that at mid-turn, each end will want to roll to its own degree of angle. The cars with the stock metric 4 link all seem to go into a four wheel drift and are always loose on exit. Each suspension system desires to do its own thing when lateral forces are introduced from the car going through the turns. If the car feels loose throughout the corner, lower both track bars evenly. I remember qualifying times in the 19.6 to 19.7 range. Alignment issues are defined as: A. rearend alignment, B. contact patch alignment, C. driveshaft to pinion/transmission alignment, and D. engine alignment. Thats the theory and the science anyway. . They arent usually as good at spotting little modifications to every single part of the suspension. I built Couchenours 99 car . This topic is now archived and is closed to further replies. The car madracing 19 has for sale has all of these things done to it. Its a whole lot more driver and a whole lot less setup on dirt. Much of the same information translates over to NASCAR Racing as well. Setup Tips for Metric on asphalt. If you have any problem with the download, just email me, and I will email or Facebook you your file. If the car feels loose on corner entry, lower the left track bar. We were allowed weight jacks and after market uppers in front also. I used 13" springs with buckets welded in the frame on the rear.Car will be to high without buckets trying to use 13" springs.We used straight 6 valve shocks on the front and straight 5 valve shocks on the rear.Don't mess with split valve shocks if you are a beginner.this spring setup . 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. The front end takes time and effort to get the bump steer and caster gain within a tolerable amount, you have to move the upper and lower control arm mounts, cut the left side lower control arm, use special length ball joints, etc, etc. Stock cars using the metric-style four-link rear suspension usually need to do this just to achieve a balanced setup with the high rear moment centers in those cars. Street Stock Setups. Loss of efficiency can rob power from the drivetrain due to the generation of vibrations and harmonics that are also damaging to the bearings. How to Lower the Cross Weight in an iRacing Setup. So, we must make due and set up these cars the best we can. Street Stock Dirt Oval Racing - All the dirt, clay and pavement-racing excitement in a 1:10 scale RTR. by RonL Fri Jan 02, 2015 12:36 am, Post Another way to gain bite that we have described in the past involves the use of a spring-loaded pull-bar that allows a certain amount of rear end rotation. In 2010 we made a good car better by a design change with the introduction of the Chevelle front clip. Sep 1, 2009. Bite Off The Corners Your statement that the 3-link is what the metrics needed to level the playing field is the type of feedback that tech. I see the times at CCMS are identical, THR the truck .5 sec quicker. Happy New Year. Then it's done! Dial In Your Metric. 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. We also might want to change the locations of the chassis and/or rearend mounts for the links. The front moment center (MC) location plays a huge role in how the front end wants to work. A level panhard bar ( same mounting height on both sides) means force is vectored laterally to the tires. We cover all forms of racing in the Midwest featuring racing news, results, photos & videos. Nick and I agree on something! Street stock, pure stock, sportsman, factory stock. Prices listed are with a frame swap option. Make small adjustments, about one half of one percent. Aug 24th 2005. Get any of Steve Smiths street stock books for general knowledge in the essentials of cam/cas, toe out , roll center etc. $137.99. As the rear end rotates on acceleration, the left wheel moves rearward more so than the right wheel, creating a slight amount of rear steer to the left. Wheels. RacelineCentral.com All Rights Reserved, NASCAR 2K3 Racing Season Garage 101 Guide Download, Creative Commons Attribution-Noncommercial-No Derivative Works 2.5. Hardcore Package - $5,700 (2023 Pricing) *Some components included in the package are not shown in picture below*. How about just adding a panhard bar to the stock four-link setup? Designed and built with one thing in mind, WIN RACES. Welcome to STLRacing.com, home of St. Louis Motor Racing News. The fruits of this plant are large and can weigh over one pound. It might help to leave it unattached on ovals. Trends are a part of this learning curve and greatly influence some, but not all racers. Here are what we consider to be the 10 most important areas of chassis setup with No.
asphalt metric street stock setup