I'm going to sound weak for saying this but, the brake pedal on my Logitech G920 is REALLY hard to press down fully in a quick way, which makes heel toeing impossible,
Tutorial of how to mod the G29 and G920 brake pedal! ;D : r/LogitechG
TrueBrake Logitech Brake Pedal Mod + Review by SRG - BoxThisLap
Logitech G29 Cheap and Simple Brake Mod For Sim Racing - Get Load Cell Firmness and Muscle Memory - YouTube
Amazon.com: GWNOWZZET Upgrade Mod Brake Pedal Spring Throttle Pedal Spring Clutch Pedal Spring Kit Fits for Logitech G25 G27 G29 G920 Racing Wheel 3 PCS : Automotive
TrueBrake V2.2 - GT Edition (Inc. All spring options) - Brake Pedal Mod for Logitech G25/G27/G29/G920/G923 - AXC Sim - Sim Racing Products
TrueBrake Mod From AXC Sim For The Logitech G25/G27/G29/G920/G923 | SimRacingHub.co.uk