Originally Posted by PJ2

The early 3rd gen blocks (some of them) and even some of the 2nd gen blocks had the same problem which was small casting diferences on the cylinder walls (some were meassured to be .010"-.020 " thinner) the only failures documented have been on motors making well over 550hp with very high boost levels so I personally don't think that is an issue. Can you make the same power with the 2nd gen? Sure, it's even cheaper to make more power with the 2nd because the aftermarket support is plenty and easy to find here in the US. But with no doubt, stock engine vs stock engine, the 3rd gen is a much better package.

Originally Posted by TheDarkMajestic

WRONG , the differences is the amount of Nickle concretate in the blocks. The 3rd gen has a lot less nickle content which make the block physically weaker. Any the only 3rd gen making big power that's a 3s-gte is Mike Colon in Florida. The gen 3 in my money isn't worth it.