Thanks for sharing this information. I'll still continue with my 5,000 mile changes just for the convenience. Any time I check my oil I smell the dipstick for fuel. Haven't noticed a hint. My last car however, as soon as you pulled the stick out of the engine you could smell the fuel.
Current- 2016 Race Red Focus ST1
Traded In - Sedan Revolution #249 - 2012 SE Sport - ╠╬╝ - Ingot Silver - 201A - K&N w/ snorkel delete - Blox Type R Knob