: Engine mods (like rotary or V12 swaps) generally work more reliably than car mods. Some car mods require you to visit the dealership multiple times before the modded vehicle appears in the randomized inventory.
For any mod to work, you must first install the v231 patch over a clean installation of SLRR. Without this base, no modern mod will function. street legal racing redline v231 mods work
: v2.3.1 is notoriously unstable. It is recommended to install mods one by one to identify which ones cause crashes. : Engine mods (like rotary or V12 swaps)