Turbo Bore ID

[bogies87]

I sent my compressor wheel and shaft for balancing. I was contacted by the turbo shop and they stated the shaft had been turned .010. I was informed more than likely the housing was also turned and normal shops will stamp a number signifying the amount taken (like a crank). I do not see any marking on the inside of the turbo housing, but I do see the numbers 503 and 10 on the side of the oil feed port on the outside of the center section. Can someone shed some light on these numbers? Is that where a shop would stamp the amount taken?

 

[bogies87]

disregard my last post I figured it out. The 10 marking signified the housing had been cut .010. live and learn