rear rotor housing

rear rotor housing

rear rotor housing

front rotor housing

front rotor housing

front rotor housing

 

...didnt know the pictures were going to be this huge lol
Its a s4 6 port. less than 70k miles and has never been open

can the housing be refurbished? the irons and rotors themselves has zero damage

 

i don't think that's the corner seal. i think that's where the apex seal rides (the open end, with the corner piece).

how deep is the groove?

 

whoops, had a brain fart, yea thats what I meant, the triangle piece from the apex seal. The groove is just about 1mm, just a little less. A fingernail will catch on it.

 

I had similar marks on my old housings:

https://www.rx7club.com/2nd-generati...ngine-1144907/

I never figured it out conclusively. I think maybe under-lubrication is the culprit, since the oil injection port is in the middle of the housing and those corners might not get as much lubrication as the center. I had a functional OMP but the engine had miles from the previous owner, so who knows what his oil change habits were like.

 

Biggest question now is......can it be refurbished?

 

There are resurfacing services (Chips, Goopy, etc) but I believe they just skim the top layer off the chrome. I am not aware of any commercial services that fill in deep gouges. It's worth emailing them to see though.

Anything can be done, but I think by the time you find a machinist skilled enough to fill the area, grind it down, re-chrome, and polish, you will have well exceeded the cost of a set of good-used housings.

 

actually its about the same as new housings