21. Navistar already provides Ford with the Power Stroke diesel engine. 22. This means that two revolutions of the crankshaft are required for each power stroke . 23. During a difficult time, Jones has maintained his power stroke . 24. The Power Stroke Diesel 200 was held on August 5 at Indianapolis Raceway Park. 25. It provides continuous power wherever the blades are not just on the power stroke . 26. Combustion occurs at a substantially constant pressure during the initial part of the power stroke . 27. Yankee Stadium, the House that Ruth Built, was built for Babe Ruth's left-handed power stroke . 28. George Steinbrenner has endured a precarious off season in his power broking and power stroking . 29. An inline-six gets a power stroke every 120 degrees. 30. Diesel fuel is injected just before the power stroke .