1. Battery relocation http://www.dietersmotorsports.com/tech/2002/6-2002.htm

2. Replacing that Marelli  http://www.911t.org/tech_tips/marelli-bosch1.htm

3. Here is a link to more technical articles courtesy of 

4. Oil Fed Tensioner Modification 

5. Pelican Parts Technical Articles

6. Inspecting a 911 for rust.

7.  Refinishing Your Wheels

8. Targa Seal tech article (DIY)

9. Targa Seal (they will do it for you)