Note: Since this is a community mod, check the readme.txt file included in your specific download for version-specific controls or added cars.
Damage isn't just cosmetic. Over-rev and you'll float valves. Ignore oil temp and you'll spin a bearing. Crash hard enough, and your frame bends, causing misalignment. Jack V4 New models:
A common point of confusion is how "Jack's mod" compares to "Project: Street Legal" (PSL). PSL is a separate engine rewrite. slrr by jack v4 new
Verdict: If you want to build an engine from the crankshaft up, choose Jack V4 New. If you want to drive a pretty car with basic tuning, choose PSL.
One of Jack’s biggest improvements is the installer. Gone are the days of manually dropping files into data/scripts and praying. Note: Since this is a community mod, check the readme
Warning: Do not install this over an existing V3 or V4 save file. Start fresh, or you will get "nan" physics errors.
SLRR by Jack V4 New is a comprehensive, ground-up modification that transforms the original 2003 game into a modern(ish), stable, and deeply immersive street racing simulator. This isn’t a simple parts pack or a reskin. Version 4 “New” is the culmination of years of community feedback, bug fixing, and feature creep – polished into the definitive way to play SLRR in 2024 and beyond. Verdict: If you want to build an engine
Vanilla SLRR had roughly 30 cars. V4 New comes pre-loaded with over 200 meticulously modeled vehicles. Highlights include:
Every single car supports the full part-swapping system. Want to put a V12 in a Mazda Miata? V4 New lets you do it, provided you have the fabrication skills (and in-game cash).