Search results

Old setup was Rotella T6 5W-40, AC Delco PF48. Now it is Mobil 1 5W-30, WL10255XP. Nothing else has been changed. Regardless of temperature the oil pressure used to be right around the 40 mark. Maybe a tick above or below. Now it's always much higher as shown. I can change back to a PF48??? I...

I wanted a longer filter for my Suburban and purchased a WL10255XP. The indicated oil pressure went from 35-40 to 50-60. I emailed WIX and this is what they told me. So is this an immediate concern? Hello, 2008 Suburban, 5.3 57060 or 57060XP should be used, not the WL10255 with or without...