While extracting the pilot bearing I discovered this Expansion Plug in the back end of Crank. Is it covering a bearing ? The pilot bearing covers it . Bigger view

On a 1960 235 engine with Hydra-Matic transmission.

Last edited by healingbear; 10/22/2017 11:27 PM.

1954 Chevy 3104 3 Window Hydra-Matic in my family for over 60 Years

Once in a while you get shown the light in the strangest of places if you look at it right... "Scarlet Begonias" Grateful Dead 1974