The banner across the top of the video states the whole plan: “SCARING MY DAD IN MY 1000HP 2JZ S15.” Under it, a camera at the front of the cabin looks back at two men in sunglasses. The son is at the wheel in a black T-shirt. His father is in the passenger seat in a dark red shirt and jeans, held in by a wide racing harness, with both hands resting on the belts in his lap.

The clip comes from @giaunha.6272, captioned “Scaring my Dad in my 1000hp 2JZ S15.” It runs about a minute and a half and never leaves that one camera angle. The bars of a roll cage cross behind the seats. A tall shifter with a blue knob stands between the two men, and another tall lever with a black grip stands closer to the camera.

@giaunha.6272

The first words in the video are a question that sets up everything after it. “You still think it’s faster than the Supra?” Then the car does the talking for a while. The son grins and glances across the cabin, his hand comes down on the blue shifter, and his father sits upright against the seat, facing the windshield, hands still on the harness.

About twenty seconds in, the son checks on his passenger. “What do you think so far?”

The father’s review opens with a complaint. “A little noisy transmission.” Then comes the concession. “Pretty quick though,” he says, and he adds that “it feels as fast as the Supra.”

The son is not taking a tie. His answer is that the car is way faster, “way lighter, way more power.”

So the car goes again. Later in the video the light changes, with the sun full on both of them and the steering wheel showing at the edge of the frame, and the father’s calm changes with it. He breaks into a broad smile, and a few seconds later his head is tipped back and his mouth is wide open. The son keeps looking over at him and smiling. Near the end comes the last line the captions pick up, a dry one. “I hope he knows how to drive.”

For anyone who does not speak in engine codes, the title explains why the Supra keeps coming up. The S15 is a Nissan Silvia, and the 2JZ is the Toyota straight six best known as the Supra’s engine. This car carries the famous Toyota engine in a different body, which is the son’s whole argument in six words: way lighter, way more power.

That argument is the useful one for anyone comparing fast cars. A horsepower figure on its own says little about how a car feels from the passenger seat. What the father is measuring with his back is power against weight, and a lighter car with the same engine family and more power will pull harder than a heavier one. It is the first number worth working out when two builds are being compared, long before anybody argues about peak horsepower.

The cabin also shows what a passenger ride in a car like this should look like. Both seats are deep buckets, both people are in multi point harnesses, and there is a cage behind them. The passenger has the same equipment as the driver, which is the right standard. A harness only works when it is pulled tight with the lap belt low across the hips, so it is worth tightening a passenger’s belts for them before setting off. Neither man is wearing a helmet in the clip, and any organized track day or drag event will require one in both seats.

The son’s check in is worth copying too. “What do you think so far?” comes after the first taste, before the harder one. Giving a first time passenger a milder run, asking how they are doing, and only then going further lets them back out without having to shout over the engine. Agreeing on a simple hand signal for “stop” before leaving does the same job.

The father shows the passenger’s side of it. He keeps his hands on his own belts instead of reaching for the door or the dash, sits back against the seat and looks ahead. That is the most comfortable way to take hard acceleration, with the head against the seat before the car launches.

His one complaint is fair warning as well. Heavily built cars are loud inside, and transmission noise is part of it. Earplugs cost almost nothing and make a ride like this easier on anyone who is not used to it.

The last piece of advice is the oldest one. A car with this much power needs room, a clear surface and nobody else nearby, which means a drag strip, a track or an organized event. The father’s closing line is a joke, but it is also the question every passenger should be able to answer with a yes before the belts go on.