1 Pork tenderloin (1.75 to 2 lbs.): 30 to 35 minutes per pound to reach an internal temperature of 160 for medium or 170 for well-done. 2  Pork chops (4 to 6 chops, in basket): 20 minutes per pound to reach an internal temperature of 160 for medium or 170 for well-done.ust remember all cook times are approximate and you should add two minutes to the times listed here in order to allow time for the rotisserie to come up to temperature. Always base doneness on USDA-recommended internal temperatures rather than arbitrary cooking times.