Forza Motorsport 3
50 Achievements
1,000
150-200h
Xbox 360
Grease Monkey
Create a car tuning file for your car.
10
How to unlock the Grease Monkey achievement in Forza Motorsport 3 - Definitive Guide
Tex16v
TrueAchievements
TrueAchievements
This is very straightforward, its done from the upgrade menu, you will not have to purchase any adjustable parts either as you can change the tyre pressures, you will need to save the setup by pressing start
ReiKaz316
TrueAchievements
TrueAchievements
Very fast an simple. Just go to "FORZA MOTORSPORT 3>UPGRADE>TUNE SETUP" and change anything (eg. tire pressure). Press "Start" button, select "save current setup" and save file.
10G "Grease Monkey" achievement will pop-up!
The Grease Monkey achievement in Forza Motorsport 3 worth 15 pointsCreate a car tuning file for your car.
10G "Grease Monkey" achievement will pop-up!
The Grease Monkey achievement in Forza Motorsport 3 worth 15 pointsCreate a car tuning file for your car.
GuardianAngelNR, jappe66
In the Main Menu, select Upgrade, then select Tune Set Up. Move your Tire Pressure down a notch, press 
and Save Current Set Up.
