User guide

Get the most out of your race engineer

Short guides with a picture for every step. Pick the part of the app you want to learn, or start at the beginning: your first session takes about ten minutes, and by the end of it you'll know where your time is and what to change on the car.

Start here: your first session → Every part of the app

Nothing matches that. Try a shorter word, or ask us in Discord.

The Overview tab of AB Racing Line after a session at Brands Hatch: session score, best lap, time still on the table, your engineer's top three for next session, and where your time is

Step-by-step tutorials

Follow along with the app open. Each one takes a few minutes.

Tutorial · 10 min
Your first session in 10 minutes
Install, sign in, load a session and read what the app found: from your score to your first setup change.
Tutorial · 8 min
Make a setup change and check it worked
Make the changes in iRacing's garage in the right order, drive, then see what each one did.
Tutorial · 5 min
Tell the app how the car felt
Type it in your own words: a corner that pushes, a nervous rear, a setting to keep. The setup follows.
Tutorial · 6 min
Plan a race
From one practice session: how many stops, how much fuel, and what limits your stints.
Tutorial · 6 min
Race day on the Live Pit Wall
Go live with iRacing and let the pit wall tell you when to pit and how much fuel to add.
Tutorial · 5 min
Put your overlays on stream
Add any overlay to OBS as a browser source, sized and placed for each scene.
01

Getting started

Install the app and find your way round it.

Topic
Install and sign in
Download, install, sign in, load your first file, and find your way round the tabs.
02

After a session

Load a session and the app reads it the way an engineer would.

Topic
The Overview
Your session at a glance: score, best lap, where your time is, and your engineer's top three for next time.
Topic
Telemetry and the track map
Every lap and every input, your braking zones on the map, and a lap to compare against.
Topic
Your engineer's coaching
What to work on, corner by corner, written from your own laps, and what to do first next session.
Topic
Your Car Setup
The setup changes to make, in order, why, and whether last time's changes worked.
Deep dive
How we work out time gains
Where the seconds in “time still on the table” come from, and what they leave out.
03

Race day

Plan the race from practice, then race with a pit wall beside you.

Topic
Race Strategy
Stops, fuel, stint limits and race pace, worked out from your practice session.
Topic
Live Pit Wall
Your pit wall during the race: the call, fuel to add, tyres, the relative and the standings.
04

While you drive and stream

Overlays on top of iRacing, and on your stream.

Topic
AB Overlays
Eleven overlays on top of iRacing: inputs and shift lights, radar, track map, fuel, tyres, standings and more.
05

Account and settings

Units, your subscription, a new PC, and quick answers.

Topic
Settings and units
Units, the size of the app, the overlays hotkey, help, and what's new in each update.
Topic
Account, subscription and PCs
Your subscription, moving the app to another PC, updates, and signing in.
Topic
Questions and quick fixes
Short answers to the questions we get most, and the fixes for the common snags.