GoForSmoke:
Same processor on Uno and Nano but Nano pin 17 is SCK, 16 is MISO and 15 is MOSI and those are 13, 12 and 11 on Uno.https://www.arduino.cc/en/uploads/Main/Arduino_Nano-Rev3.2-SCH.pdf
I think you may be confusing chip leg numbers and Arduino pin numbers. Many (but not all) Uno have the 28-pin dip chip, but the Nano (and some Uno) have the 32-pin tqfp chip. In terms of Arduino pin numbers, they are the same.