Quote Originally Posted by Fivefingerdeathpunch View Post
What do you mean the crank is different?

The LS4 block is the same size from 2005-2009.
Yeah crank

Quote Originally Posted by 231FUN View Post
If I had to guess I would assume he's talking about the fact that the crank reluctor wheel on an 07 up is 58x, while an 06 is 24x and the cam timing wheel is a 4x for an 07 up and a 1x on a 06 up.
correct

Quote Originally Posted by Fivefingerdeathpunch View Post
That makes more sense now because I was like "the motor is exactly the same throughout the years parts wise". Just various sensors or in this case the reluctor wheel.

Swap cranks and you are done lol.
My current 08 threw a rod, I'm not sure if that's feasible