Mike -
You might want to take a look at this web site. There is allot of good information here on putting a T-5 five speed behind a 216-235-261 engine. This happens to be a 40 truck, but I am doing the same thing to my 37. This type of arrangement will work on your 41.
http://
home.twcny.rr.com/schickling/1940Chev/index.html.
