sounds like your O/D is fried, my rpms are around 2200 with OD on at 60mph and a little over 3k with OD off and I have more mods than you, not that it really matters. A fried OD is the only thing I can really think of.
New Ride: 94 Acura Integra GS-R 5-Speed Comptech Intake Tein S-Tech On the way: Integra Type R Transmission with LSD GReddy Turbo Kit (by end of summer hopefully)