Done a lot on my 83 Cab the last year and I feel ready for my first engine drop.
Lots of info everywhere and lots of documentaries done on the subject so I am not really planning to add to that list of distinguished accomplishments.
However I thought I might post any interesting finds along the way and here is the first:
Looks like its been pretty useless for a long time. Those big crevices are on the upper side of the muffler and so not visible from beneath.