Yes, on the inside compressor housing there is a small green plate rivited, with, AiResearch Turbocharger, s/n 2183-P415 (the - is a 1 laying down),, p/n 466476-4PM. Also embossed on the inside comphousing is A,,, MA,,, 1,,, 0,,, B68195.
On the compressor scroll near the outlet is A/R-5,,, M10,,, A,,, 01,,, 432251-1 A,,,, there are two areas on the compscroll that have been ground to hide information, i am going to get these dyechecked.
On the turbine scroll near the outlet is A/R-63,,, M13,,, 431453-23 D.
Where on the compressor wheel is the actual measurement taken to determine its sizeing?