From FB20 to FB25: Tuning Rallycross Subaru Impreza Sport. Plus: is 92oct worth it?
Автор: Will Tune For Tacos
Загружено: 2025-01-21
Просмотров: 869
Join us on Will Tune for Tacos as we dive into tuning a 2012 Subaru Impreza Sport that’s far from ordinary! This rallycross beast has been engine-swapped with an FB25 engine paired to a Subaru Outback CVT transmission featuring a 4.11:1 final drive ratio. In this episode, we uncover just how poorly the factory tune handles this setup with shocking baseline runs. After dialing in a proper tune, we unlock significant performance gains and then push the experiment further—switching from 87-octane to 92-octane fuel. Does the higher octane make an immediate difference, or does it need a retune to shine? Stick around to see how this race-winning rallycross car transforms!
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