I’m sticking to a once a year oil change interval for the Corolla using Amsoil SSO 0w20. Shoot me an e-mail if you’d like to grab some oil as well: Did the standard drain, plug & fill with more Amsoil 0w20 SSO, car immediately felt smoother again. However, I did make one change – the…

A much deserved first UOA for the Corolla – not a moment too soon at 182,641 miles! Decided to go with long OCIs (1yr) and hit 16k on this oil change. Other changes won’t nearly be as long due to the Fit taking over some of the DD duties, but still a good baseline. A…