On this episode of HOT ROD Unlimited, David Freiburger meets up with Pro Touring legend Mark Stielow to compare old and new Camaros head to head.\r<br>\r<br>HOT ROD Unlimited is where anything goes in the world of American performance cars. The show rocks with subjects as varied as those in HOT ROD magazine, .\r<br>\r<br>HOT ROD Unlimited is where anything goes in the world of American performance cars. The show rocks with subjects as varied as those in HOT ROD magazine, .\r<br>\r<br>GM Program Engineering Manager Mark Stielow has been building hot rods for about as long as hes been driving and many of those cars have ended up on .