Join Date: Feb 2017
Location: Greater Philadelphia, PA; U.S.A.
You don't downshift for engine braking.
You downshift so that you are in the right gear you need to be in to give you the revs that you need to pull/accelerate. Depending on where you're driving (road, track) and what your engine's power curve is, it's dynamic car to car.
Brake then fire off downshifts til you are in the gear to navigate the turn, curve, etc, so that no shifts are required mid-corner / mid-turn, and so that no shifts were so early that engine braking had a chance to make the car unstable. Brakes are something that can be modulated, so don't unsettle a car so much or risk unsettling is as engine braking would.
brake brake brake brake setting up.... fire off downshift(s).... navigate turn/corner... accelerate from corner in the proper gear you selected before you apexed.
Notes: You are afforded some leeway with dual-clutch automated manuals, in that you could probably fire off a downshift mid-corner, something that was just not wise in a true manual.
Nonetheless, it's not about engine braking. We're not big rigs going down steep grades and don't need to prevent brake failure by supplementing the brakes with engine braking ( and/or 'jake brakes'!).
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Filandro Leone, AKA Phil, AKA Philster
LE 221/500, Rosso Alfa
Last edited by Philster; 05-10-2017 at 12:27 PM.