Know Your Drivetrain
Everything in this guide so far applies to all cars equally — the traction circle, the four phases, smooth inputs. But how those universals translate into specific driving adjustments depends on where the power goes. Your car's drivetrain layout determines where weight sits, which tires are doing double-duty, and what the default failure modes look like. A technique that works perfectly in a rear-wheel-drive car can actively work against you in a front-wheel-drive one — and vice versa. Most driving books assume FR. If you're not in an FR car, this section fills the gap.
FF — Front-Engine, Front-Wheel-Drive
The front tires in an FF car have to do three things at once: steer, drive the car forward, and provide the lateral grip for cornering. That's a lot to ask from one axle, and it means the front grip budget gets consumed fast. The default failure mode is understeer — the fronts give up and the car plows straight.
Carry momentum into corners rather than braking deeply and re-accelerating — adding power mid-corner transfers load rearward, which is exactly what you don't want because it removes grip from the tires that are steering and driving simultaneously. Stay neutral on throttle through the arc. The FF rewards smooth, flowing entry lines more than any other layout. Don't fight understeer with more lock; give it less speed at entry instead.
FR — Front-Engine, Rear-Wheel-Drive
The "balanced" layout. Braking loads the front tires for steering; power loads the rear tires for traction. Each axle has a clear primary job. The FR rewards aggressive trail braking and progressive throttle application, because both actions do what they're supposed to in sequence. The failure mode is oversteer on exit when you get on the throttle too early, too hard, or with too much steering angle remaining.
Use the deceleration phase to get the nose turning. As you unwind the wheel, progressively add throttle — the two motions should happen in sync. Adding power before the wheel is coming back creates the classic FR oversteer moment. Trail braking is your friend for rotation. Exit oversteer is your feedback that throttle came either too early or too aggressively.
MR — Mid-Engine, Rear-Wheel-Drive
The engine is in the middle of the car, which minimizes yaw inertia — the car pivots quickly and responds to inputs with high sensitivity. That's the good news. The consequence is that the MR doesn't telegraph its limits slowly; when grip is exceeded, it responds fast. The transition from grip to oversteer can be sudden in a way that FR cars aren't.
Precision is non-negotiable. Small, deliberate inputs. Use trail braking to load the front axle and create rotation — without front load, the MR will understeer into the corner. Once you're pointing at the exit, the MR rewards early, committed throttle. Respect the sensitivity in both directions: it responds better to your inputs, but it also responds faster when you overstep. The margin between "great corner" and "spin" is narrower than in heavier-nosed cars.
4WD — Four-Wheel-Drive
Traction and stability are the 4WD's strengths. All four tires share the drive load on acceleration, which means you can get on the power earlier and harder on exit than any other layout. The default failure mode under power is understeer — the front tires saturate before the car rotates fully — which means building good speed out of slow corners often requires patience at the entry to get the car pointed right before committing to throttle.
The 4WD rewards a slightly later apex and a very early, very aggressive throttle application. Let the car go fully neutral at the apex — even a touch later than in an FR — then use the 4WD's traction advantage to drive off the corner harder than any two-wheel-drive car could. The speed is made on exit, not entry. Resist the temptation to carry more entry speed than the car can rotate on; understeer on entry costs more time than patience does.
One of the least-obvious insights for wet driving applies to all drivetrains equally: the dry racing line is often the slipperiest line in the rain. Years of tire rubber laid down on the normal racing line — especially at the apex and on corner exits — creates a smooth, polished surface that becomes nearly frictionless when wet. In the rain, moving your line off the classic groove and onto fresh, rougher tarmac often gives significantly more grip. The usual out-in-out line moves inward first; in wet conditions, that inside apex rubber patch is the last place you want to be.
- Think about your car's default understeer or oversteer tendency. Is it working for you or against you in a typical corner? What specific adjustment from the section above have you been doing intuitively — and what adjustment haven't you been making that could help?
- FF and 4WD drivers: in your last session, were you braking deep and reaccelerating through corners, or carrying momentum? What would change about your line and corner entry speed if you committed to the momentum approach?