I had to replace the manifold gaskets, and I guessed at 20 pounds.I used a torque wrench. I used to be able to remember all kinds of specs. for old Chevrolets, but I'm out of practice, and I don't have a manual.
Yes, I followed a basic sequence.
This is a 1940 model that has never been restored. 58 K miles, no rust except under body surface rust. The clock still works, I get an owners manual and a title. She rides like new and handles so much better than that Model A Ford I traded.