The Dyno allows the player to measure 0 to 60 mph and 0 to 100 mph acceleration times, maximum power and torque output, as well as their top speed.
Players can select between up to seven setting categories and store a tuning setup for one of five event types:
Every setting category requires the player to install performance upgrades to the corresponding category. Changes to the aerodynamics of a vehicle require the installation of respective body modifications.
|Suspension - Front/Rear Lowering||Lower or higher front/rear ride height|
|Suspension - Front/Rear Springs||Softer or harder ride|
|Suspension - Front/Rear Shocks||Softer or harder ride|
|Suspension - Front/Rear Sway Bar||Softer or harder cornering|
|Suspension - Steering Ratio||Lower or higher steering sensitivity|
|Transmission - Gear Ratios||Top speed and acceleration in relation to the maximum speed in each gear and the final drive ratio|
|Aerodynamics - Front/Rear Downforce||Weaker or stronger front/rear downforce|
|Tires & Brakes - Front/Rear Tire Grip||Weaker or stronger front/rear grip|
|Tires & Brakes - Brake Bias||More brake power to the front or rear|
|ECU||Maximum and minimum torque output in each rpm interval|
|Turbo||Maximum and minimum torque output in each rpm interval|
|Nitrous||More power and a shorter duration or less power and a longer duration|
Through the Test Run mode, players can test their tuning setups for each event type. For each event type, the HUD is expanded by additional information relevant to the event type:
- Circuit - Best Lap, Current Gs, Maximum Gs
- Drag - Burnout Distance, 0 to 60 mph time, Quarter Mile Time
- Drift - Best Lap, Best Drift, Longest Drift in seconds
- Street X - Best Lap, Current Gs, Maximum Gs
- URL Race - Best Lap, Current Gs, Maximum Gs
- Softer suspension setups allow a vehicle to slide more often. Stiffer setups improve grip by inducing more understeer.
- Lowering a vehicle as low as possible and maximizing downforce grip on both sides can improve cornering significantly. Raising the vehicle height will increase stability along off road routes.
- Longer nitrous duration settings are useful in longer race events.
- Stronger front tyre grip results in more oversteer. Doing the opposite results in more understeer.
- Acceleration-biased setups are useful in shorter race tracks and drift events, but top speed-biased setups are useful for drag events.
- Different configurations of the Bayview Speedway track are used for various event type test runs:
|Customisation in Need for Speed: Underground 2|