I had the wife follow me in our modern(2000) truck when I made the loaded maiden voyage, topped out against the governor on the way home-47mph. I don't have a cigar lighter in the 5700 yet so I hav'nt thought about the garmin. I guess it could run on battery long enough for a test.

Last edited by 78buckshot; 12/11/2018 1:02 AM.
1957 Chevrolet 5700 LCF 283 SM420 2 speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy