Bell Housing Original Color

[Mustangmike]

What JTS mentioned makes sense and I learned something too. It's a very logical answer to what the gray matter is.

[1969_Mach1]

Yeah, he has some helpful information.

I initially thought it was some rust from sitting a long time maybe that portion of the gear was above the oil level. But, rust would have formed on more than one gear. Plus gear oil clings very well to surfaces.

Mike