I think that you mean that the pilot bushing goes in the crankshaft, not camshaft. You most certainly need one in there with a standard. It does install with some force. I would put it in the freezer first to make the job easier.

1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed

My Chevy Master 4 Door is on the Road!