The NMRA Technical Department has made the following rule clarification in the Limited Street Class:
All TVS 2300 (2.3L) and TVS 2650 (2.65L) superchargers must have factory location mounted throttle body. Rear-mounted throttle bodies are prohibited.
All other permitted combinations in the NMRA Advanced Fuel Dynamics Limited Street class will remain unchanged. This rule clarification will go into effect immediately. NMRA reserves the right to make additional rule changes at any time to control performance and maintain parity in the NMRA Limited Street class. All 2019 NMRA Rulebook Amendments and Clarifications can be found under the 2019 Rules Revisions & Clarifications link at: https://www.nmradigital.com/2019-event-info/class-rules-payouts/