2021 Mid-East Modified Tour Race Procedures. See it in action: Engine offset maximum of 2” of centerline of front cross member. Iron-Man Series Tire Rule will be followed. ( 604 engines with 602 heads & intake NOT allowed). NASCAR Whelen Modified Tour events are … Fiberglass, aluminum or steel duplicates of body parts are permitted. Rear of the engine (bell housing flange) must be mounted at least 72” forward from the centerline of the rear axle. A claim of “I didn’t know” or “you did not specify” will not release you from the liability of the rules. 2015 OPEN WHEEL MODIFIED RULES & SPECIFICATIONS - 2015 updates in RED 1/6/15 UPDATES: 5" spoiler. NO BUMP STOPS. Built 350 or 602 crate motors. 2021 STOCK OPEN WHEEL A- MODIFIED RULES NO CARBON FIBER. CAR: American made, factory production, 1970 or newer with parallel frame, rear wheel drive only. (minimum) GM602 or GM604 Sealed Crate – 2350 lbs. No buttons or couplers. (minimum) *No Aluminum Motors Permitted* Tires: (some compounds are discontinued by Mfg, but are listed due to some still in use by drivers) Front Tires (Siping allowed on Front due to carry-over from 2016 season) t���OС��BT%k��*iŇ�`���R�9'��RThyw|d%BW%�������J�.$�\|�Ȟ�S��r��PL$*����-� ���]�b�>����C[�I�A�����ͱ 6�P�g5��Z�̬�P�4,HI谂eB Front bumper should be mounted frame end to frame end with bottom loop parallel to the ground. jh��M�&.�0˦��� ARTICLE 4: BODY 4.1 1970 or newer American compact passenger cars only. SECTION 90 – OPEN WHEEL MODIFIED. Tires may be cut or trued. NO CARBON FIBER. <>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> World Products 4360KA heads Legal as well. Chassis:. No Schrader valves. All tires are subject to Lab Testing. Stock harmonic balancer or, OEM GM for engine used. 2017 Open Wheel Modified Rules A. Stock cast Quadra- jet or may run performer 2101 series intake. 6. Must be racing wheel. Famous racecar driver and constructor Ray Harroun was an early proponent of lightweight, single seat, open wheel monocoque race cars and began racing them competitively in 1906 after a stint working as a … 2021 Rules. Stock Diameter valve springs for heads used. 2,350# after the race with the driver (whether steel or alum. NO tire softeners. No lock up converters. Crankshaft minimum height will be 11” from the ground to the center of the crankshaft. Saginaw 3 speed or 4 speed, Muncie four-speed and turbo 350-400 automatic transmission allowed. 8. Must consist of configuration of front and rear hoops connected by tubing on the sides or side hoops. 2021 Mid-East Modified Tour Rules. Balancing OK. Stock stroke and weight for engine used. 2021 OPEN WHEEL MODIFIED RULES *Any differences in these rules please call and we will try to accommodate *Speedway reserves the right to update, modify, and/or delete rules at any time deemed necessary to ensure safety, fair competition or any other reason that … Engine offset must be kept within the front stub. Minimum wheel base 108”. No exceptions. {����Z[utN��R��*#V��,�K�a�$�Ы�+,r������\=j�#R�/mP(Ǽ1�OO��S��LO��(��O�~:�UA45uG��@aY��CҾ�����Ba�e:״��**#�;��;�R�!��R�I�џs��,Ua: H9�F[BLsV�G�:�E���2�LfXRt��p�8���>�g:wk�����^f��W�uƁ=]��”w����y��]t�\�G6��/����t!�>�&~yq��D�7Ȍ�ґ�6p�(�?�4��BW��4�d ]����t. JAVASCRIPT IS DISABLED. x��Z�o�� ���uh�|�R�0`'�u��f/�ݡ��C�Q=o����___"-��]Q,K"53���Ӌ�}B�߿�8�p��t��g����㣺.E͑hhYU�3^6Ҕ�B������#��8E(�@,�qFV��+5��X��_���}�zs� Wheel base It is your responsibility to know the rules. The Modified Division is NASCAR's oldest division, and is the only open-wheeled division that NASCAR sanctions. If it does not say you can do it- don’t do it. 350 crank only. The following are the 2018 Gateway Modified rules. head). Left side may be open to allow airflow. Refer to General Rules for Protest fees. 350 block only two bolt or four bolt main block. Open Wheel Modified Rules Hoosier: A40, A40S, H40, Hard or Extra Hard, New Hoosier M30 and M60 will be aloud starting this season. No lips on body or decking. Rear spoiler NOT allowed. Body must be mounted straight on chassis. Two-way radios, crew-member to driver and/or any other means of electronic communication, other than the one-way radio, will not be permitted.