0000071373 00000 n Loomis says he's found that if the track goes dry/slick, one good way to help this without compromising a lot of other things is a swap of the shocks. Increasing tire pressure will help a tight condition all the way through the turn while decreasing the pressure by a half pound or so will help a loose condition. 0000045819 00000 n %PDF-1.6 % The key, again, is to be sure to make changes based on your track conditions related to your type of car. The track has now blackened over and the edges of the groove are loosening up with the surface material turning to drier sand. One adjustment that helps turn exit without affecting the rest of the turn too badly is the right-front spring (although it will affect turn entry some). 0000045307 00000 n 0000035146 00000 n mfg: bicknell racing products. 0000068686 00000 n 0000015931 00000 n A typical setup might be: LF = 350; RF = 375; LR = 175 (325 pounds swing arm), RR = 225 (400 swing arm); 56 percent left-side weight; Panhard bar at 11 inches left and 12 inches right; and no front Ackermann with zero rear steer. $17.64 / ea. 0000037177 00000 n 0000055343 00000 n 0000014879 00000 n 0000036201 00000 n 0000038455 00000 n 0000022299 00000 n LR: 225 LM: It is time to go a little more radical in the setup. 0000070762 00000 n 100% poly stretch shell bonde 2021 Teo Pro CarWinter Knit Hat One Size Fits All! A more sideways driving style is sometimes helpful for mostly aerodynamic reasons. 0000025519 00000 n 0000033936 00000 n WATER-RESISTANTWIND-RESISTANTSTRETCHTONAL EMBOSSED O PATTERNREFLECTIVE DETAILS To find out more, we travelled to the race shop of Troy Loomis, a Dirt Modified racer located in Sherrils Ford, North Carolina. bicknell dirt modified setup specs om -OCT. Pos. startxref This track condition means the tires are getting a lot of grip and the surface tends to have ruts that grab the car hard. HS: We could maintain the previous setup as the track begins to smooth out, but it will keep a considerable amount of grip. 0000045665 00000 n 0000030821 00000 n 0000045538 00000 n 0000020692 00000 n It is time to soften the car, move weight over to the right, and lower the rear moment center more. One word of caution here: Don't. 0000033358 00000 n Gildan Soft Style Tee 100% Cotton. 0000099580 00000 n 0000084647 00000 n Zero rear steer is essential now because our dirt car will handle much like an asphalt car. 0000063538 00000 n 0000069739 00000 n 0000058876 00000 n 0000074385 00000 n Cross: 48-52 0000073342 00000 n 0000034258 00000 n Actually, nothing could be farther from the truth. The Panhard bar, mounted on the left side of the chassis, should be at heights of 12 inches left and 8 inches right. 0000053493 00000 n Be sure to subscribe to my channel for new content and follow my social media to keep up with me!P.S. Minus Motor/shocks/trans/seat This is a very good straight car !! Fuel Log With An8 Inlet, Bicknell 2-7/8 Inch Spindle Assembly With Hardware, Bicknell Steering Center Mount For Standard Chassis. MH Sub I, LLC dba Internet Brands 0000011703 00000 n 0000014093 00000 n 0000016218 00000 n 0000022574 00000 n We will now soften the LF spring to a 750, the RF spring to a 650, the RR spring to a 150, and move all of the moveable weight to the right side and higher up. 0000073674 00000 n 0000041210 00000 n On a track that has good moisture and is smooth, the car will be easy to control going through the turns and the speeds will be high. 0000025566 00000 n 0000049014 00000 n 0000053684 00000 n Here we utilize axle diameters that will provide a bit of both Options #1 & #2 (Forward Bite & Throttle Turn), using smaller diameters overall with a slight split between left & right side axle diameters. 0000073059 00000 n Also, even though you may have much more fuel tank capacity than you need for a heat or main event, don't add or subtract fuel as a way to adjust rear ballast. 0000067153 00000 n We need to maintain the downforce our car produces for corner speed, while providing some kind of bite off the corners. 0000025125 00000 n 0000014548 00000 n Passing becomes difficult because of the one-groove nature of the track. 0000020252 00000 n Hobby Stock (HS): We might run a stiffer right-front (RF) spring and a stiffer right-rear (RR) spring. 0000083620 00000 n On BMS' website it even states that, "We complete the 'homework' for our customers with a geometrically correct front suspension." Instead, try to get a handle on how the car changes as the fuel burns off and compensate for that. 0000046940 00000 n 0000076391 00000 n Evening up the front springs will help the car turn, and softening the RR spring, lowering the moment center, and raising the CG will provide better bite as the track dries out. Dry slick, a condition in which the track has lost considerable moisture and is now very dry and slick with little grip: 0.7 to 0.9 g's (The cars are now very slow in getting into and through the turns, and traction under power is very low. During our visit, Loomis kept no secrets from us. 0000048502 00000 n 0000055574 00000 n 0000017176 00000 n 0000069508 00000 n 0000067879 00000 n .more Dislike Share Tommy Brandon 6.37K. 0000060138 00000 n At the shop the next week, return your car to your baseline setup and check how much the settings have changed. 0000013599 00000 n 0000049116 00000 n brp9706. 0000068705 00000 n 0000034555 00000 n 0000035281 00000 n 0000040927 00000 n The DIRTcar W16 engine was developed by Carl Wegner and his team at Wegner Automotive to be a reliable and competitive LS race engine while still maintaining a . Moving the rear ballast up if the car is tight anywhere in the turn and down if it is loose. Softening the right-front spring can help loosen up a car on turn exit, and stiffening the spring will do the opposite. 0000029110 00000 n 0000020799 00000 n Now softer tires can be used with some siping. We've just given you a lot of options when it comes to tuning your car. 0000064914 00000 n Left: 52-52.5 0000046709 00000 n 0000053702 00000 n LF: 3 degrees positive 0000036342 00000 n 0000029882 00000 n 0000063852 00000 n 0000095039 00000 n Forward bite is the ability of your race car to accelerate without spinning the rear tires. 0000025963 00000 n The moisture is evaporating off the first inch of material, and there will be less available grip without the surface becoming overly slick. 18" Tall for Easy Lower Chassis Access 0000058453 00000 n 0000016524 00000 n 0000057856 00000 n 0000018281 00000 n 0000040247 00000 n 3/8 inch out (tracks 3/8-mile or smaller). There is only one way to stop a severe pushy or loose car, and that is to lift off the throttle. This effect can be taken to an extreme, and we never want to three-wheel the car in order to create the effect. $17.64 / ea. This was a great way to do the heats and spread them out giving drivers and teams plenty of time to work on there cars between racers . 0000013517 00000 n 0000000016 00000 n 0000074485 00000 n The setup may look like this: LF = 350; RF = 325; LR = 185; RR = 150 (double the rear springs for the swing arm car); Panhard bar at 12 inches left. 0000043827 00000 n Will sell complete or separate. Adjustments For Turn Entry Loomis' chassis is also not the freshest off the jig. 0000023465 00000 n 0000024239 00000 n Raise the rear ride height one more inch, move weight up and to the right in the car, and soften all of the shocks . 0000024352 00000 n But even though they may be rated as the same size, when pumped up they can have quite different characteristics. 0000079059 00000 n Designed For Northeast Dirt Modified's. 0000017911 00000 n Selling as a roller . 0000062598 00000 n 0000078985 00000 n 0000038902 00000 n 0000038738 00000 n 0000102876 00000 n 0000036942 00000 n The driver can drive straight into the corner, brake harder, and get back into the throttle sooner than at any other time of the day. 0000043983 00000 n 0000027385 00000 n To be able to control the car, we need much stiffer springs and a more balanced setup front to rear. More than three decades later, the Canadian chassis manufacturer has become the industry leader with state-of-the-art equipment and facilities. The problem with doing this is that your rear weight percentage will change as the fuel burns off. 0000008385 00000 n 0000062829 00000 n 0000021577 00000 n 5. LF: 650 0000078272 00000 n 0000067012 00000 n 0000076622 00000 n Slightly increased Ackermann and small amounts of rear steer (LR tire coming forward) will help the car turn through the middle. It means he may be a little bit down on power compared to those racing with a built motor, but the setup adjustments still work the same way. We will soften the RR spring and the front springs. 0000072828 00000 n On the right front try a shock with more rebound and on the left rear, switch to one with more compression. Finally, the simplest-and probably most popular-adjustment when tight is simply to change the air pressure in the right-rear tire. 0000051400 00000 n 0000065627 00000 n 0000041823 00000 n We take pride in manufacturing high quality dirt modified chassis and components. 0000065114 00000 n In short, they will be all over the track. RR: 14, Stagger "We're not #1, our customers are!" 0000033050 00000 n Thu-Fri 8:30am-5pm 0000024076 00000 n 0000030468 00000 n left front set up stand 4.125" mfg: bicknell racing products. 0000042419 00000 n 0000015646 00000 n It can be easy to make a couple of changes and have the secondary effects make the car mysteriously worse than before. 0000037340 00000 n 0000054959 00000 n Will fit in any chassis, Teo 2022 Retro Hoodie 80% Cotton 20% Polyester. Gallery. 0000022018 00000 n We won't change the setup at this point in time, but the driver will need to think more about throttle control coming off the corners to prevent wheel spin. You probably are like Loomis and unable to use fancy adjustable shocks, but they can still be a valuable tuning tool-even if you have to spend the loot for two sets. 0000058352 00000 n 0000062263 00000 n RR: 175, Caster 0000049325 00000 n 0000057625 00000 n 0000039349 00000 n 0000042054 00000 n 0000036675 00000 n 0000031281 00000 n 0000086644 00000 n 0000063641 00000 n 0000019039 00000 n 0000061979 00000 n The "slide job" works well here because as you go under a car coming into the corner, you pass and inevitably slide in front of the passed car. 0000051844 00000 n 0000059486 00000 n 0000040763 00000 n "So I don't think I was that different than most racers when they are getting into this class. 0000013077 00000 n Dry, a condition in which the top layer is now drying out and losing material in the form of sand: 0.9 to 1.1 g's (loss of grip is now getting substantial, and the car will not turn well or get bite off the corners. 0000031146 00000 n 0000053915 00000 n 0000008387 00000 n 0000065396 00000 n 0000026294 00000 n We hope you enjoy shopping at Circle Track Supply, Inc. This style of dirt racing vehicle is manufactured for the appropriate series classification, often with a coil-over front suspension, and either a full tube chassis or use of a stock car frame as part of the chassis. 0000027339 00000 n 0000048783 00000 n $19.57. Under these conditions, teams using softer RR springs with Panhard bars high on the left side and low on the right side and with plenty of rear steer will find trouble. So we thought we'd share his baseline setup. LF: 2-4 degrees positive 0000065345 00000 n Loomis races a BMS chassis (www.bmsmods.com) which he purchased from Close Racing Supply (www.closeracingsupply), which sells chassis to racers all across the country. Loomis recommends going back and rechecking at least your stagger and chassis heights. Comp. Search our inventory of thousands of performance racing parts. 0000049538 00000 n 0000039636 00000 n 0000069950 00000 n the RacingJunk.com. 0000067828 00000 n 0000019478 00000 n %%EOF We could continue to move weight up and to the right in the car to raise the CG about 1 inch and further decrease the left-side weight percentage. 0000046656 00000 n 0000076193 00000 n 0000018075 00000 n To run a single setup throughout the day is not going to get the job done in this day and age. Modified race vehicle designed to race in one of the categories of dirt modified racing series and classes include Super DIRTcar, IMCA, World of Outlaws and others. This does two things: It lowers the rear moment center and raises the car's CG. 0000072413 00000 n 0000068319 00000 n <<4D97E536ECF89D40A1043D599CFB9229>]>> 0000080067 00000 n 0000050575 00000 n 0000024796 00000 n 0000050362 00000 n Once your car hits the black groove, it will grip and you can accelerate off from the passed car. Another change if the car is tight all the way through the turn is to raise the right-side rear bar up one hole at the rear (next to the rearend). Run a higher pressure in all of the tires. 0000074716 00000 n Just be careful to always make one handling change at a time because as a rule, every change has secondary effects beyond the problem you are trying to address. 0000057315 00000 n 0000021857 00000 n We will take more air out of the tires, but not enough to cause them to roll over. 0000078063 00000 n One of the key features of what we'll call the IMCA-style Dirt Modified is the stock front clip. 0000034420 00000 n 0000070552 00000 n And the thing I did that helped me progress the fastest so that I was able to win the track championship-and a lot of people aren't going to want to believe this-is I purchased a chassis that is basically mass produced. 0000073443 00000 n details. 0000059924 00000 n 0000038291 00000 n 0000027224 00000 n 0000049347 00000 n The rear ride height would be set as low as possible, as this would raise the rear moment center and lower the CG to reduce the rear roll angle versus the front roll angle to help balance the setup. Rear: 1/2-1 inch, Springs (Chevelle Front Clip) 0000057647 00000 n 0000023747 00000 n Image Part # Title Qty HRT - 36051400: Hoosier Late Model / E-Mod Dirt 8. . Keep the weight low and to the left, and use tires with wide grooving to release the wet mud easily. 0000046206 00000 n Use of this Web site constitutes acceptance of 0000095274 00000 n 0000030333 00000 n 0000050593 00000 n 0000081155 00000 n 0000027787 00000 n 0000009867 00000 n For starters, the Belleville Motorsports chassis, has had all of the previously mentioned front end geometry work completed by the manufacturer. 0000038008 00000 n They are more like asphalt anyway, and a team racing a dirt car on those tracks would do well to set up their cars more closely to an asphalt car setup. 4 309 The most difficult tracks are the ones in which the type of dirt or clay needs a lot of moisture in order for the track crew to be able to groom the track. Granted, there are some so-called dirt tracks that are always oiled and maintained to the same grip. 0000014377 00000 n Chassis Parts. 0000086435 00000 n Small gains in mechanical grip can provide substantial gains in lap times). RF: 16 Wet, sloppy, and rough: 1.6 to 1.7 g's (peak g's but very difficult for the driver to maintain a good line). 0000027503 00000 n 0000023021 00000 n 0000030302 00000 n 0000015017 00000 n Make sure your car is correct for front geometry issues. 0000067384 00000 n 0000060419 00000 n Interestingly, Loomis' day job is the shop manager for Michael Waltrip Racing's Nationwide Series race shop. 0000076680 00000 n 0000056379 00000 n We could raise the rear ride height an inch or so to be ready if the track begins to dry out some and affect bite off the corner. Let's use two of the most popular types of dirt car-a touring Late Model and a metric-style Hobby Stock car. 0000040083 00000 n 0000083854 00000 n Decrease the air pressure all around for more footprint area, and groove the tires for the most side bite with more grooves and a limited number of siping cuts. 0000026571 00000 n was brp1537. Smooth driving is important now as any complete loss of grip in the front or rear tires will cause a great increase in the lap times. Loomis says he plans to replace it eventually but it is still working so well for him that he hates to get rid of it. 0000038079 00000 n Any moveable weight would be mounted low and left in the car. 0000031442 00000 n 0000074103 00000 n 0000066152 00000 n 0000075088 00000 n 0000032609 00000 n 0000020093 00000 n Left/Rear Cross (Bite): 0-50 lbs, Tire Pressures Also, we're talking about fixing tight situations, but doing the opposite will help if your car is too loose. 0000065125 00000 n 0000068917 00000 n details. RacingJunk.com 0000064065 00000 n 0000034393 00000 n 0000022746 00000 n 0000062494 00000 n 0000030792 00000 n 1/4 inch out (tracks 1/2-mile or bigger) Install softer rebound left-side shocks and softer compression right-side shocks. Dropped Center Teo Aluminum Toe Plate Set 0000045332 00000 n 0000077959 00000 n 0000055783 00000 n 0000009045 00000 n 0000016690 00000 n 0000018877 00000 n 0000068088 00000 n 0000038690 00000 n 0000041813 00000 n The changes will be realistic and will not involve cutting or welding the chassis. Mon-Tue 8:30am-7:00pm 0000027804 00000 n 0000037627 00000 n We just received a double shipment of Vogtland 225#, 16 x 5 inch rear Hughes modified CNC engine dyno at 687 hp. 312 0 obj<>stream LF = 350; RF = 325; LR = 200 (350 pounds swing arm); RR = 175 (325 pounds swing arm). 0000068968 00000 n 0000047484 00000 n 0000066169 00000 n RacingJunk, Do Not Sell or Share My Personal Information. 0000026407 00000 n 0000033520 00000 n trailer First, you can raise the J-bar (essentially a Panhard bar that's curved to clear the driveshaft) at the pinion. 0000023634 00000 n 0000025406 00000 n 0000070783 00000 n 0000064083 00000 n 0000032632 00000 n Loomis recommends avoiding the temptation to move the ballast weight back behind the rear axle as this can create an unpredictable pendulum effect. 0000046425 00000 n With that said, we will make an assumption that your front end geometry is good to go. Adjustments For Middle Of Turn 0000065938 00000 n 0000071799 00000 n 0000042785 00000 n 0000084412 00000 n 0000013059 00000 n 0000052458 00000 n We will still need to drive the car straight and try not to soften the right-side springs too much yet. This has an adjustable torsion rack, STD radius rod location, IMCA legal A mod Chevelle front clip sweet 6:1 box needle bearing Throttle Pedal MSD 604 IMCA sealed ultra full containment seat 15" ford 2020 Rage by Precision Performance Bare frame Brake lines Mid-plate Interior Gauges Can sell some components along with car, Need gone ASAP T2RC Offers the absolute Best Bang for your Dollar rear Trailer Door Curtains in the Industry. 0000079192 00000 n Opinions will vary on these topics. 0000078961 00000 n The track has now dried up and the black is mostly gone. Change the RF spring to a 750-pound spring and the RR to a 175-pound spring. 0000054728 00000 n 0000063307 00000 n 0000047253 00000 n 0000026012 00000 n The RF = 350; RR = 200; LR = 200 (375 pounds swing arm). 0000075141 00000 n 0000015154 00000 n This is simple to understand because the more weight you put on a tire the more traction you will have. 0000058893 00000 n The greater the diameter split between the left & right axles, the more loose the effect is on throttle. 0 We will examine some physical rules that deal with chassis dynamics so we can arrange the setup to meet the conditions. 905-685-7223 OP#1; administrator@bicknellracingproducts.com; Monday - Thursday: 8am - 5:30pm ; Friday: 8:00am - 4:30pm; Saturday: Closed We call it the IMCA-style Dirt Mod because that's the sanctioning body that is most widely known for these cars, and probably sanctions more races at this level than anyone else, but numerous racing organizations and tracks host this style of racing, so we're definitely not talking specifically about IMCA alone.