CarX Build
Optimizer
Build Lab
Build Lab: a full CarX Street build from a class and a style
Choose a car, the class you want to reach and how you drive. Build Lab picks the engine and the parts, then computes every setting of the tune. No dyno screenshot needed.
Each account can create one Build Lab build for free. More builds need Premium+.
How it works
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01
Pick car, class and style
Choose the car, a target class from C3 to S and a driving style: touge, grip, track, gymkhana, drift or drag.
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02
The engine and parts are chosen
Build Lab tests the engines and parts available for the car and keeps the combination that fits the class and the style.
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03
Get the full tune
Gearbox, differential, suspension, alignment and brakes are computed for that build and shown as values to copy in game.
What you get
The calculator needs your dyno screenshot and your own parts. Build Lab starts from a class and builds the car for you.
- The engine and the parts to install, with their values.
- Gearbox ratios and final drive for the chosen discipline.
- Differential, springs, dampers and anti-roll bars.
- Alignment, including camber under load, and brake bias.
- Tyre pressure set to the 3 bar maximum.
FAQ
What is Build Lab?
A feature of CarX Street Build Optimizer that picks the engine, the parts and every setting of a car for a target class and driving style, without a dyno screenshot.
Is Build Lab free?
Each account can create one Build Lab build for free. Creating more needs the Premium+ plan.
Which classes does it cover?
Target classes from C3 up to S, for touge, grip, track, gymkhana, drift and drag.
Build Lab · New
Pick a car and a class. Get the whole build.
Engine, parts and every setting, computed for you from a class and a driving style. No dyno screenshot needed.