QuickTune H4


The power of QuickTune is now available for Forza Horizon for the first time!

QuickTune H4 - the successor of the highly acclaimed QuickTune 7 Tuning Calculator for Forza 7 - is now available with full support for Forza Horizon 4!

QuickTune H4 calculates ready-made general purpose tunes for any car in Forza Horizon 4*.

Simply provide following input data:
- manufacturer & car model
- power
- weight & weight distribution
- drivetrain
- suspension (springs and dampers)
- chassis reinforcement
- transmission
- tire compound
- tire width (front and rear)
- installed aero kits
- aero settings (front and rear)

Based on the provided data a tune is calculated for that specific car. ARBs and spring rates are provided with 3 fraction digit precision, set the in-game values to nearest value.

Use the "lb/kg" toggle to switch between imperial and metric unit input.

The "Auto Aero" tuning option can be used to let the app automatically adjust aero levels based on car weight and drivetrain. Automatic aero settings are recommended for all tracks except high-speed tracks.

+ Calculates ready-made balanced and competitive tunes, no tweaking necessary!
+ Supports any car in FH4 with any drivetrain swap*
+ Supports non-adjustable stock suspension, race and rally suspension tuning
+ Supports imperial and metric units
+ Automatically keeps track of 100 most recent tuned cars
+ "Auto-Aero" feature for automatic adjustment of aero levels
+ Includes transmission tuning

NOTE: for some cars that have been carried over from Forza 7 available tire and aero upgrades might not be correct. If you encounter any deviation in terms of available tire or aero upgrades drop me a mail at fb@fiftyinch.com and it will be fixed as soon as possible.

* As of now not all cars in Forza Horizon 4 are supported because of limited credits or some cars are being locked. Here is the current list of cars that are not supported by QuickTune H4 but will be added with future updates of the app as soon as I have access to them:

2017 Alfa Romeo Giulia Quadrifoglio Forza Edition
2007 Alfa Romeo 8C Competizione Forza Edition
2017 Aston Martin DB11 Pre-Order Edition
1964 Austin FX4 Taxi
2013 Bentley Continental GT Speed Forza Edition
1988 BMW M5 Forza Edition
2017 Chevrolet Camaro ZL1 Pre-Order Edition
2017 Chevrolet Colorado ZR2
2018 Dodge Challenger SRT Demon
2017 Ford Focus RS Preorder Car
2013 Ford F-150 SVT Raptor Shelby
1973 Ford Capri RS3100 Forza Edition
2017 Hoonigan Gymkhana 10 Ford Fiesta ST
1969 Hot Wheels Twin Mill
2006 HUMMER H1 Alpha
1964 Jaguar Lightweight E-Type
2008 Lamborghini Reventon Forza Edition
2004 Maserati MC12 Forza Edition
2017 Mercedes-AMG GT R Preorder Car
2009 Mercedes-Benz SL 65 AMG Black Series Forza Edition
2017 Nissan GT-R Preorder Car
1995 Nissan NISMO GT-R LM Forza Edition
2011 Penhall The Cholla
2016 Porsche 911 GT3 RS Pre-Order Edition
2010 Renault Clio RS Forza Edition
1980 Renault 5 Turbo Forza Edition
2005 TVR Sagaris Forza Edition
1963 Volkswagen Type 2 De Luxe Forza Edition
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16 total

What's New

New cars:
2008 Mitsubishi Lancer Evolution X GSR
2006 Mitsubishi Lancer Evolution IX MR
2004 Mitsubishi Lancer Evolution VIII MR
1999 Mitsubishi Lancer Evolution VI GSR
1997 Mitsubishi GTO
1995 Mitsubishi Eclipse GSX
1992 Mitsubishi Galant VR-4
2019 Porsche 911 Carrera S
1993 Porsche 968 Turbo S

Updated some cars, details: fiftyinch.com/quicktune
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Additional Information

Eligible for Family Library
Eligible if bought after 7/2/2016. Learn More
January 18, 2019
Current Version
Requires Android
4.0.3 and up
Content Rating
Offered By
Fifty Inch
Alte Jakobstraße 51 10179 Berlin
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