Ct9 turbo and ct20 turbo

[infinite]

Goodday can a ct20 turbo bolt on a ct9 manifold without modifications

 

[gv1.3]

Some info here, it doesn't sound like they are the same

https://www.toyotagtturbo.com/community/index.php?threads/ct20-in-a-4efte.586/post-1124944