References to 1949 Cosmopolitan's superior aerodynamics compared to 1954. 8 mph greater top speed with equal power. By none other than Alex Tremulis in a report for FoMoCo in 1954. http://www.gyronautx1.com/uploads/1/1/1/7/11173971/9896942.jpg?689 Complete page. http://www.gyronautx1.com/live-upda...emulis-and-his-200mph-1956-thunderbird-mexico
Tremulis was also responsible for the chisel nose 1961 Tbird which was 6 MPH faster than the 60 model with the same engine.