National Staff Greg G. Posted April 26, 2019 National Staff Share Posted April 26, 2019 (edited) Technical Bulletin: We have revised the wording and punctuation of the hood vent rule revision from April 24th. There is no functional change--just improved clarity of the wording. "5) Hood replacement/modification for venting and/or weight reduction only. Vent lips/flaps/dams, louvers, and vent insert mounting hardware must not protrude more than 3/8” from the hood surface. (“aero” hood pins are permitted)." Enforcement of the revised Hood Vent rules in ST1-4 & SU Rules, section 6.3.5, and ST5 & ST6 Rules, section 6.1.4.5 will begin on July 1, 2019. (Note that these do not apply to SU, ST1, ST2, or non-BTM Aero ST3 vehicles). Edited December 27, 2019 by Greg G. Link to comment Share on other sites More sharing options...
National Staff Greg G. Posted May 11, 2019 Author National Staff Share Posted May 11, 2019 Revised 5-10-19 Link to comment Share on other sites More sharing options...
National Staff Greg G. Posted June 17, 2019 Author National Staff Share Posted June 17, 2019 Revised 6-17-19 Link to comment Share on other sites More sharing options...
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