Stock 914 2L T4 w/ 44IDF's, BAS header, Fat 911 cooling in 74 beetle, 1823lbs with 1/4 tank, no driver, 4.125R&P, 0.89 4th with 195/65/15 rear tires .. about 180-190kph ... Tach said 6000 rpm.
Got a thumbs up from a VW GTI for keeping up with him
Cruising speed is about 140-150kph on the highway.
Sandeep