In engine_c.lua in row 105 change engine.turbo = upgrades.turbo to this: engine.turbo = true
for the ALS go down to row 137 and change data.als = upgrades.als or false to this: data.als = true
But now all the cars will get the effect if i am right
I made this script for an own project, but i don't have more time/mood to finish it. So i will sell this script in a couple days to a live server. I just wanted to show my lastest work to the community.