Friddle: In what year did Jasper Engines & Transmissions open the Dallas, TX Branch? Hint: The answer can be found in the Virtual History Book on the JASPER home page. Check our blog next Friday for the answer and another Friddle. Last Week’s Friddle: The 2014 Audi RS 7 is powered by a V8 TFSI engine. What does TFSI stand for? Last Week’s Friddle Answer: Turbo Fuel Stratified Injection Last Week’s Friddle Contest Winner: Jerry C.