Depending on the condition of the track and your driving style, there can be two very different approaches to your chassis tuning. 3 Link Rear Suspension System. Use Pull-bar to set Pinion Angle 3. A place for racers to share and help with modified setups and adjustments Circle Track Provides Some Advice For Nailing The Setup On Your Dirt … Pinion Angle - 7 Degrees, REAREND LOCATION: 19 1/2" (determined by pinion angle) RR: 12 3/4" from bottom of top frame to top of axle tube for over rail, SPRINGS: Tap to unmute. The chassis was designed to be strong, safer, and easier to drive and setup than traditional chassis. * Based on 15 gallons of fuel and no driver, PULL BAR: Watch later. Then you have your less common 2-link or leafspring. 3 link dirt modified setup keyword after analyzing the system lists the list of keywords related and the list of websites with related content, in addition you can see which keywords most interested customers on the this website Experienced crew chiefs use … rods on outside of birdcage with 3/4” spacer 3. 3-LINK: Lower Trailing Arms 15" Center-to-Center Dirt track race cars can be very difficult to set up. A setup that will spin it's tires easily will require more wedge to counter act the traction loss under power. LF: 600 ----- RF: 650 5"x9.5" Left Rear 200 lb. * Left rear shock in front when more drive is desired and right rear shock 4 Link Rear Suspension– Stock Ford 9” 60” centered A. RR: 2 3/4" top of lower underslung to bottom of axle tube for under rail LF: 2+ ----- LF: 2+ Rough Track Shock Setup Spring Recommendations - Left Front 600 lb. LR: 6-2 ------ RR: 94, SLICK TRACK SHOCKS: 7�>�T�C�|? 3-LINK: Download the Jet Racing Setup Manual. This suspension system has all 3 links running parallel to each other. Decrease LR Shock rebound and/or increase RF Shock compresion. Go Pro Footage shows car getting good traction. RF: 7 7/8" to 8" from ground to center line of lower A-Frame bolt RIGHT UPPER: 19 Degrees, 6th hole down, WHEEL OFF-SETS: Dirt modifieds are also using better hoods and roofs that will make use of any aero downforce. h�bbd``b`�@�q�+bi�X����U b��X- �4��r���@b} #�s�#n�?c�/� jy * Approximate Panhard Bar Length - 19 1/2", FRONT END ALLIGNMENT: 4 Link Rear Suspension-continued I. Dirt modified/limited mod setup and adjustment help. 4 Link Rods 1. Click on one of the following links to get setup help for your GRT racecar. 4 Link Rear Suspension II. Caster– right side– 6 1/2 degrees / left side– 3 1/2 degrees 3. This unique camera angle shows exactly what is happening in the rear end of a 3 link. This is my third book and it is a setup log and notebook geared toward the dirt late model racer. 14” tube b. 3 link Sportmod rear suspension using URC designed and fabricate brackets. The degree that you need to get involved with aero for your car depends a lot on what you run and where. l������� �I�lSY�2�1W1��e`�~�;j�U@�,aU7n��mp�y2''�ե���U7nl^���U7�[ˤ�q��mf.�u{{du{9��5��j{��-ZZ�B�vڱc|ӎ50t4�Fttt00Jt�($�l�f(�����&�`"� J������4��E��p�a��`��qP�I���c�[ݯϯ6\JTa� ,��x�c4�L�v�Ҍ@���L'v@��� z n� RF: 4+ ----- RF: 3 1/2 - Pull Bar 1 39 1/8” center to center. rods on outside of birdcage with 3/4” spacer 2. p 3-Link rear suspension with kit. * Pinion Location - Center of Pinion After my thirty-plus years of working on various types of race cars, I came up with the setup and logbook which I always wanted while working on cars. 4 Link Suspension Dirt Modified. Info. The available area to use for this is admittedly smaller, but any gain in downforce is useful. LR: 8-2 ----- RR: 3-5, BITE: Is footage like this helpful to your setup? This setup manual is intended for use by Jet Mod owners, drivers and crew. Meaning that most front runners are 4 bar z-link with a pull bar and alot of times a 6th coil. SOME GENERAL NOTES ON SQUAREING REAREND ON 3‐link setups From the back of the axle tube to the back of the square tubing where trailing arms Weld onto the chassis will be (19 ¼ in. Up Next. Share. Dirt Modified Chassis - Dial Your Modified Setup Dirt Modifieds Are A Great Entry-Level Class For Many Racers. h��Tmk�0�+��edz�-(��4m��u�L>�����*4�~'9Mߠ�؇!�I�{���Q�s0�e"6( �Xc��Q20���9p�˜��E�B Rearend Mounting Location - Top Front Hole 88 0 obj <> endobj TOE: 1/4 to 3/8 out, 3-LINK FRAME MOUNTING LOCATION: LEFT SIDE: 52.5% ------ REAR: 57% 3 1/4” / L.S. On a 9" housing, the panhard bar should be center of pinion. Center all 4 link rods in brackets on frame 4. R.S. 2. %%EOF AFCO 270001 Progressive spring 600-2000# B. Rear End Adjustment (side to side) 1. RIGHT LOWER: Level *�̃og0k�Ub]Jf� ���������x�F���\�L9��k�K���|�ʖ"E�h:����(�/m��z �dl;�G�I�mZ�!��zH{� RR: 4th hole up, 4-BAR STYLE SUSPENSION: 2009 MODIFIED SETUP SHEET (3-LINK & 4-BAR) (Feel Free to Print Out) RIDE HEIGHTS-(NEW CHEVELLE FRONT CLIP): LF: 7 7/8" to 8" from ground to center line of lower A-Frame bolt RF: 7 7/8" to 8" from ground to center line of lower A-Frame bolt LR: Will be set by amount of wedge RR: 2 3/4" top of lower underslung to bottom of axle tube for under rail Shopping. These tips are for an independent a-arm front suspension and 3-link rear suspension type of car, but may apply to other types of suspensions as well. SETUP SHEET (3-LINK & 4-BAR) L.S. The total amount of wedge required depends on track size & roll couple in the car. With Any rear suspension (2‐link or 4‐bar). A setup with a higher gear ratio or one that does not spin the tires will require less wedge. Clamp on aluminum trailing arm brackets allow you to set the trailing arm angles to help your car turn through the center. � ������q���b2ʊ���O;]^X�0^s��,�6|��>L�>q�u�-���]VբKIbFS���A�),P�8�� 1����>�&�]Ր_�* e��z�ר��}����]�mֶ����t���nJn�&o]�?��[{J���.��s��}�yu1_e5yt"�EG�˴B�x��[�F_o�+�Ou�E*R��2�y*�^.�-�{�u�D��6�-� Kr^��5�rL�wyD�`H]����Ȃ��Û^��9���o���p���9��E^�6?�'yӺ�6k@�7��#���-;�0C�xo�������ݶM���1?d(��o��yF-W�������:�Vl$�'�D)hD�1"(����`h�)HܱR���9(��WI. LR: 4th hole up LEFT LOWER: 3.5 Degrees, 2nd hole up behind when car needs to be tighter on entry. Bump Steer-Spacers R.S. If there are more than 9 iRacing setups available for this car/track, look for the navigation links near the bottom of the page. DiRT 3 é um jogo de corrida lançado em 2011 para PS3, Xbox 360 e PC. … LF: 5-3 ----- RF: 3-5 * Left rear shock increase compression on slick race tracks All set-ups can only be justified with proper maintenance and checking all suspension components on a regular basis. Get more traction with 3-link suspension on dirt. Pull Bar Length Approx. Our setup manual is always free to download. Setup Tips. 2009 MODIFIED Front Mounting Location - Bottom of Frame Chapter 1 - Introduction to Dirt Oval Chassis Setup Chapter 2 - Tires Chapter 3 - Springs, Shocks, and Chassis Height Chapter 4 - Toe, Camber, Caster, and Wheel Spacing Chapter 5 - Droop Chapter 6 - Camber Links and Roll Centers Chapter 7 - Wheelbase, Kickup, and Squat Chapter 8 - Sway Bars Chapter 9 - Transmissions and Drive Train Upper rods a. Both sides at ride height to be square.) After my thirty-plus years of working on various types of race cars, I came up with the setup and logbook which I always wanted while working on cars. ASPHALT MODIFIED (Standard 3 Point and 4-Link Cars) 2006 Set-Up and Technical Guide. LR: 2" ----- RR: 3" Wedge is required to get through the corners. Test fit the two halves of the upper arm mount together. Reamed for Screw-in Ball Joints, Top Small / Bottom Large 3. You can arrange your three link set up for over steer or under steer through chassis roll. LF: 7 7/8" to 8" from ground to center line of lower A-Frame bolt (Increase RR to 4" off-set in extreme smooth and slick applications), TUNING WITH REAR SHOCKS ON 3-LINK SUSPENSION: Please feel free to print out each page of the set-up information. The 3 link rear suspension system. Panhard bar should be from 5 to 7" of split according to track conditions. LR: Will be set by amount of wedge Camber– right side– 3 3/4 degrees / left side– 2 1/2 degrees 2. This was filmed in June of 2014 at Kennedale Speedway Park. LR: 250 ----- RR: 175, 4-BAR: * Lead Right Rear Back 1/4" He covers rod lengths, angles, indexing, double stack configuration, plates, and more in this in-depth video on how the changes in the left rear 4 link … 16" Comment below. It seems to me that modified suspension set-ups are very trendy, for the most part. 5"x9.5" Right Rear 175 lb. CASTER: ----- CAMBER: Jet Mod owners can request a printed setup book by calling 888-290-9696. 3,052 likes. 0 2” F. Spindles 1.Pinto 2. If playback doesn't begin shortly, try restarting your device. LR: 200 ----- RR: 175, SHOCKS: LR: 8 lbs ----- RR: 12 lbs, Rearend left to right - Check measurement from inside of Note: if driver weighs mare than 200 lbs you need to add LR spring rate Shock Recommendations Heavy Track Shock Setup 5 REB 3 REB REB 3 REB -4 REB -4 REB h�b```f``2g`a``m``@ �+sl� FOR 3-LINK: LF: 2" ----- RF: 2" (Feel Free to Print Out), RIDE HEIGHTS-(NEW CHEVELLE FRONT CLIP): Upper Link Axle Mount , If using the FFR Moser axle skip to the next section since the upper link bracket is welded to the axle. %PDF-1.5 %���� 3-LINK: 100 LBS ------ 4-BAR: 30 LBS endstream endobj 89 0 obj <> endobj 90 0 obj <> endobj 91 0 obj <>stream Setting the rear end front to back – Start by setting the 2 lower 4 link bars at 15” center to center of the rod end and the uppers at 18” center to center of rod ends Locate the LR lower arm in hole 5 and the LR top arm in hole 4. Besides offering a complete line of service to our chassis, we service all … endstream endobj startxref Copy link. Left upper torque arm plate to left ride height tab-15 1/4” .Mount– Frame Middle Hole 4. 2014 BMS NSM setup Modified Shock & Spring Technology Right Front 600 lb. Street Stock 72-77 GM/Ford full size; LF: 900 1000: 1000 1200: RF: LR: 250 250: 200 200: RR Increase the … Loose Car On Entry. Toe 1/4” out 4. LF: 600 ----- RF: 650 112 0 obj <>stream 4-BAR: Lower 4-Bar Length 13 1/2", Top 4-Bar Length If playback doesn't begin shortly, try restarting your device. A newer style that is only just now becoming stock in just a few vehicles and that works well as performance type of suspension. It has been my life long search to understand all that I can about dirt track chassis setup. panhard bar mounting tube to center of pinion at ride heights 15 3/4". Check out this cool video from a Dirt Modified at Kennedale Speedway Park. O game da Codemasters conta com uma ampla seleção de veículos, mas … Requires Adobe Reader 104 0 obj <>/Filter/FlateDecode/ID[<98C6909E0F34793A2515DD3EA512228C>]/Index[88 25]/Info 87 0 R/Length 81/Prev 134703/Root 89 0 R/Size 113/Type/XRef/W[1 2 1]>>stream Not until after reading tons of books, talking to hundreds of racers, thinking obsessively about it, meditating on it, collecting/analyzing gobs of data, and racing for 34 years that I think I may have a big T.O.E for dirt … * Panhard Bar Location - Bottom of Frame to Bottom of Bracket 7" iRacing setups for the UMP Modified Car at Lanier National Speedway are available for free download on these pages. LEFT UPPER: 22 Degrees, 5th hole down 17 1/2” on center c. 5th hole from top d. Long set … * 90/10 shock should be used with all pullbar applications, RECOMMENDED TIRE AIR PRESSURE: In this video Tader Masters talks about the left Rear 4 Link. On quick changes, panhard bar should be 1 1/4" above center of pinion. LF: 75 ----- RF: 75 But we're pretty sure others use it too. I do earn a small commission from the links to Amazon which are connected to these links. Modified Set-up Manual Technical Information Available at 515-432-6972: 8:30am-4:30pm Monday thru Thursday 8:30am-3:30pm Friday At Harris Auto Racing we manufacture our own chassis designs for the Modified divisions. I do earn a small commission from the links to Amazon which are connected to these links. It takes major know-how to keep up with the suspension trends in Dirt Racing today. The 2020 URC Gen 2 modified chassis is IMCA legal and features a number of standard features that are optional on most other brands. 3200 - 3400 Lb. 1. This is my third book and it is a setup log and notebook geared toward the dirt late model racer. LF: 10 lbs ----- RF: 12 lbs
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