I just took my owners manual with me to buy motor oil for my first 2012 oil change (4K miles). The manual says 10W-30, SL or better, and not "energy conserving". Seems simple enough. However, I flipped to the back of nearly every jog of oil in the store, and only found one or two that was...

Just got back from my first long trip on my 2003 GL1800A. 1,600mi. in 8 days from San Francisco to Mt. Shasta, to Crater Lake, to Lassen Volcanic Park and home. Fantastic trip!!! In preparation, I decided to change my oil. Last change was 5,000mi. ago. I did it myself. Drained 2 qts. of very...

This thread is for current or former Rotella T 5w-40 users. How many miles between oil changes? If other, please explain in your reply.