Chapter 9: An Engine Family Reunion
Some of you may have been intrigued by the title of the chapter I promised earlier. OK, so shoot me -- things change... (but I will use that title for a forthcoming chapter.)
So here's a quick show-and-tell of the stuff that's now back from the machine shop.
Some may have noticed a gray residue on the surface; that's all gotta come off before painting. If I had a pressure washer, I'd be in a lot better shape than I am now. I spent several hours with a wire toothbrush attacking it, and it's coming off albeit slowly. I've still got a couple of hours of work left to do. The outside of the block is the easy part -- all the nooks and crannies on the inside are what are giving me fits.
I also prepped the rings for install on the pistons. Here's drill:
Put ring in cylinder
Use a piston head to get it level in the bore
Verify end gap is within spec (0.009" - 0.017" for this engine)
Out of the 20 rings (five per cylinder), only three had gaps of less than the 0.009" minimum which were easily corrected with a diamond grit honing paddle. None are more that 0.012".
That's the latest -- there's a lot more to follow (but not today