The FIA, commonly with the ACO and IMSA added a few lines to the technical regulations of the fastest categories.
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2023 LMH FIA WEC, world endurance championship 2023
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What is a Le Mans Hypercar? Entries, rules and specs for the sports car category - Motor Sport Magazine
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2023 24h Lemans (LMH & LMdH) Confirmed : r/wec
Ferrari announces drivers for its Le Mans return
2023 WEC and IMSA season guide – Le Mans Hypercar and LMDh contenders
The Top Class of Endurance Explained 2023: LMDH, LMH and GTP
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An update on all the new entries for Le Mans and WEC for 2023 & 2024
Ferrari 499P Modificata: how to keep lucky customers happy