Posted 2/20/2025 18:31 (#11115010 - in reply to #11115001) Subject: RE: Oil Change Interval
Those extended intervals also came about because that plays a part to meet the CARB standards (California air research board). The less oil changes that are required then they are being more “environmentally friendly”. So keep that in mind too. It’s a a calculation of many factors to deem how “efficient” these engines are.
Oil Change Interval
