This is my first attempt at a olfactory cache so bear with me. The above coords are NOT where the cache is hidden. In fact you better NOT be texting when passing these coords. When you approach GZ there is one requirement. Roll down your windows. Best time for this is normal working hours but the olfactory part of this cache might be obtainable at other times. You may have to pass a few times to recognize the odor, but when you do you're off to solve the riddle.
Whatever it was you smelled, write it down. Then take the letters and turn them into numbers the simple way,A=1, B=2, etc.
Take the SECOND letter in the word and this is Y. Add the FIRST and FORTH letter together and this is Z. Put those numbers into the formula below and you have the final.
N27 25.(37 times Y) W82 31.(322 times Z)
Now off to make the find with your GPS and your nose both satisfied with the answer.
Enjoy, iMPG
You can check your answers for this puzzle on GeoChecker.com.