Increased luck to 12.5% for getting the Lightning Bolt's when you're in 5th, 6th, 7th or 8th place. Works only after the first lap.
Note: Used the level editor
https://www.romhacking.net/utilities/797/ (By Stifu) to increase it.
Database match: Super Mario Kart (USA)
Database: No-Intro: Super Nintendo Entertainment System (v. 20210222-050638)
File SHA-1: C9FFE61534F15CA54F0A2A29E64EA29AD2E5D112
File CRC32: 1793FD5
ROM SHA-1: 47E103D8398CF5B7CBB42B95DF3A3C270691163B
ROM CRC32: CD80DB86