Originally Posted by SalvadoriRacing
you can expect longer life with microcasted piston...........
besides you also notice the idle speed is more stable with the microcasted piston, specially when your engine reaches temp higher than 120ºC......
performance isn't any different.......
I beg to differ.
The microcasted piston will produce more power for a short time, but it will by far NOT last as along as a machined piston from NR.