Recognized by Porsche enthusiasts, concours judges, even the Porsche factory as a definitive guide to Porsche authenticity. Get a detailed look at the year-to-y

With the second edition The 911 and 912 Porsche, A Restorer's Guide to Authenticity II, author Brett Johnson has created the most comprehensive resource ever to

Originally published by Floyd Clymer this is a faithful reproduction of the 1969 publication of that manual. By far the most comprehensive manual ever published

When the Porsche 912 was introduced in the spring of 1965, some members of the staff were not quite happy with the new model, for it still had the four-cylinder