How a rotary (Wankel) engine makes power with a spinning triangle instead of pistons, why it has three main moving parts and revs to 9,000, why apex seals wear and it burns oil by design, and why 1.3 liters breathes like 2.6.
Why a small turbo boosts instantly but runs out of breath, why a big turbo lags then pulls hardest, how sequential twins like the MK4 Supra's 2JZ get both, and why so many tuners swap to one big single.
Why a V8 rumbles, why a V6 shakes and needs a balance shaft, why an inline-six is glass-smooth with no help at all, and why the long inline-six lost out to the V6 in front-wheel-drive cars.
What torque and horsepower actually are, how the gearbox multiplies torque, why the two curves cross at 5,252 rpm, why a 1,200 lb-ft truck loses to a 240 hp S2000, and why torque is still what you feel.
Why a turbo car makes a sound when you lift, how a blow-off valve and a diverter valve vent boost, what compressor surge (turbo flutter) is, what it costs the turbo, and why a loud blow-off valve can make a car stumble.
What a cold air intake, a cat-back exhaust and an ECU tune really do on the dyno, why builds go in stages, how tires and weight make a car faster for free, and the catch that comes with more power.
Turbo vs supercharger: what boost is, the one thing that separates them (exhaust or a belt off the crank), why that changes how each one feels and sounds, and which one fits a daily driver or an instant-punch build.
