If I’m by myself or at the lead of a bunch of cars, I try not to go more than 5MPH over the limit. I don’t want to be the first one the cop hits with his radar.
If I can find somebody going 10 or 20 over the limit I’ll match their speed and follow them some distance back. Ideally I like to follow about 1/4 mile behind somebody going 15 or 20 over the limit, and have somebody else follow me a 1/4 mile behind.
I like to tell the story about how I had my cruise control set on 95 MPH on I-95 through South Carolina or Georgia, and stayed at that speed for 45 min or more.