Your temp guage should it about 1 needle width over the 80 mark. You have a thermostat that is stuck open. $15.00 part 10 minutes to change it. You could be doing harm to your catalytic converter by not fixing this ASAP.

The warm up shift delay should go away very quickly after driving off. It also should shift to second anytime you hit 3,000 rpm even if the engine is cold.

Steve