Finn

If you're weighing a 1UZ V8 swap against a turbo JZ build, this calculator helps you tally up the real-world costs. It breaks down the major components—from the engine and ECU to the transmission and custom fabrication—and factors in what you can recoup by selling your old parts. The built-in recommendation based on your horsepower goals is a handy touch to keep your build realistic. It's a straightforward, practical tool for planning your project budget.

Reviewed v26.6.0