Alright guys so I was wrong on my last post. I thought I bought a 98+ 4l60e for a v8. I know for a fact that it has the same input shaft as the middle transmission in the picture. I am putting it onto a 2000 5.3. Ive seen posts about adapters and spacers and I got confused. So what do I need to make this work WITHOUT having to change the input shaft. Thank you in advance!
If you cannot tell in the picture I have the 298 mm input shaft.

 

Have you seen this thread?

https://ls1tech.com/forums/automatic...s-spacers.html

 

Thanks Mr. Bond, I just made it a Sticky as that was my intention when starting it.

 

Very good info there.