Surging RPM's at speed

[Thatguy]

When the rpm's surge, is the speed surging too? In other words, do you feel it slow down and speed up? If your speed stays the same I'd say it's transmission/torque converter related. Torque converters are meant to stall and have a 1 to 1 ratio. If it's acting up it may slip and stall intermittently.

[LittleBeast]

When the rpm's surge, is the speed surging too? In other words, do you feel it slow down and speed up? If your speed stays the same I'd say it's transmission/torque converter related. Torque converters are meant to stall and have a 1 to 1 ratio. If it's acting up it may slip and stall intermittently.

I am beginning to think more along these lines. It is very consistent, only on the highway between 60-70mph and between 2k-3k RPM. It is hard to tell if the speed changes much, doesn't feel like it changes much at all. It maybe bouncing between 3rd and overdrive? Not sure