For which year 911's is the stud bolt issue the most prevalent?
If you did it yourself, it is about $100 in parts then?
Is valve adjustment a reasonable DIY for a weekend wrencher with basic skills and a basic toolset? (No lift, etc)
Dempsey's book has it as "level 2" and 3 hours.
http://www.pelicanparts.com/techarticles/101_Projects_Porsche_911/18-Valve_Adjustment/18-Valve_Adjustment.htm
Reading it over, it seems straightforward with few moving parts.
The main issue would be having a knack for how tight that feeler gauge step should be?
I bet an experienced pro can do this job pretty quickly? Like 1.5 to 2 hours?