A bit of history popped into my head tonight. When working on my friend's RSR in the late 1980's, we discovered that Eckhard Schimpf had installed Schrick cams. Boy, were they high strung! Surprised myself by finding this web site...

http://www.schrick.com/index.php?article_id=41&clang=1

Still in use by the Porsche racing crowd?