any way to fix this?
 

I just found this on my motor. I am wondering if there is a way to fix it or make it better and how bad will it affect performance if I decided to just run it like it is.

http://i68.photobucket.com/albums/i5...4/DSC_0840.jpg

new housing time

is it going to run that bad if I run it the way it is though? If I am looking at this correctly, it looks as though this is NOT the compression side of the housing so it shouldn't make that much difference, correct?

It will run like shit, if at all. It could also eat your seals. Get a new housing.

Is there a difference between an s4 and s5 rotor housing and does it matter with turbo or na housings? Thanks.

there's a difference in all, some has knock sensor port and some dont. exhaust ports will differ as well... search more into it but the housings probably wouldnt matter as much as the irons.

That housing is junk. That's the spark plug side which is the compresson side of the housing.