Neither Chevrolet nor Toyota anticipated the finished product.
Toyota, so far, has been unable to duplicate any features of the 2JZ with the same results.
Those heads produce power disproportionate to their flow bench testing.
Not all that long ago, the Chevrolet "W" engine (348, 409, 427), and Ford MEL (Mercury, Edsel, Lincoln 383, 410, 430, 462) were thought to be leaps into the future, consuming millions in development, and both failed.
Before spending tens of thousands of dollars, how do you know how your model will behave?
