Would make more sense if 142 was 7,160 shrug

You can't use the speedtest results to determine RCO. There's always some loss over sync speed vs observed speed due to the PPPoE encapsulation.

If we pretend the 7160 is your max line speed, that gives us an 84% RCO FWIW. smile
2016 Durango Limited
2016 Grand Cherokee SRT