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,
Brake Pedal Upgrade Spring Fit For Logitech G25 G27 G29 G920 Steering Wheel - Walmart.com
Brake Pedal MOD “Rally/GT”, "Formula", "Extended", "Console", "G3" [Logitech G25, G27, G29, G920] (PC) – 3DRap Sim Racing Equipment|Video Games Wheels| - AliExpress
Amazon.com: BLACK Double Brake Pedal with bumps (Brake + Clutch) compatible with Logitech G25 G27 G29 G920 steering wheels - new 3d printed parts : Handmade Products