is the rearends the same? A guy said the ls1's is stronger I know there both 7.5 10 bolts. Just need to settle this.

 

The 3rd Gens and the 4th Gens use the same basic 7.5/7.625" 10-bolt. But the 3rd Gen rear is about 3" to 4" narrower than the 4th Gen assembly. Neither is any stronger than the other.

Moving to "Drivetrain".........

 

If you're basing it the ability for a bone stock car to break the rear, then yes, the 3rd gen will _seem_ to be a lot stronger, but only because the 3rd gens make so much less power than a 4th gen.

 

Thanks guys I thought so, but someone I know said otherwise just clarafying so I dont look stupid. (wow my spelling sucks)
Dont know why I never put this in drivetrain in the first place.