Make sure your instructor demonstrates the following during the endorsement:
1.How to taxi at 2000 RPM while riding the brakes,
2. Taxing at 2000 rpm with the crew door open past the Royal Vic Aero Club(Raybans and whit shirt with gold bars) on a Sunday afternoon,
3. Make sure you conduct the engine runups with the passenger door open on a Navajo,
4. Make sure he gives you a lecture on engine cooling and then flies around the circuit with 30"Map, and maintains that until landing or in some case after landing,
5. Make sure he demonstrates the technique of rolling of on to the 90 degree taxiway while still doing at least 50 knots.
6. And the tried and true method of doing engine runups while taxiing.