There's not much to keep secret nowadays anyways.

You make a lot of power in a 240, you've got a swap and a big turbo.
You make a lot of power in a Honda, you've got light chassis with a big turbo.
You make a lot of power in an Evo/STi, you've got a big turbo.
You make a lot of power in a Supra, you've got an even bigger turbo.
You make a lot of power on a V8, no surprise. All motor, nitrous, turbo, supercharger... you get the idea.

The only thing worth keeping secret is exactly how much power you're making.