Suncoast Performance's Dallas Penn visits to give Paul and Danny some insight on Powerstroke transmissions. Not all decisions relate to horsepower, according to Dallas. He likes to consider the use of the truck as well. Big horsepower and big torque require billet shafts - that's where the Powerstroke transmission build starts. Dallas says there's a revival in the popularity of the 4R100. The entire show goes into a lot of detail about all Ford transmissions and what owners need to know to get the most from their Blue Oval in every application - daily driver to performance.