Larry, I have had mine to 135 on I-5 North of Bakersfield at about 6.5K. I have an 87 16V with 9A tranny with a TT downpipe, Neuspeed Wires and Bilstein/Hor suspension. I was racing a Mustang and had him beat. Masun Dixon 78 Scirocco 16V 87 Scirocco 16V