Quote:
Originally Posted by Frank Lee
Nothing wrong with good ol' cast iron; many of my favorite engines are made of it.  |
Nothing wrong, just not as good as aluminum :P
Seriously though, iron block S54 3.2L weighs more than the 4L S65 V8 (which also revs harder). Iron block Mazda B6 1.6L weighs more than a 2.5L 2AR-FE. Aluminum with composite liner or steel liner is the way to go if you want good performance.