No surprise here. Synthetic oil is better.
I've been using only synthetic in everything for almost 20 years.
I do extend my oil changes to a minimum of 5k miles on my autos, never more than 2500 miles on my bikes though..... usually less.
http://www.msn.com/en-us/autos/owne...e-verdict-is-finally-in/ar-BBEs0Bw?li=BBnbfcL
I've been using only synthetic in everything for almost 20 years.
I do extend my oil changes to a minimum of 5k miles on my autos, never more than 2500 miles on my bikes though..... usually less.
http://www.msn.com/en-us/autos/owne...e-verdict-is-finally-in/ar-BBEs0Bw?li=BBnbfcL