Posted 3/24/2017 16:12 (#5920086 - in reply to #5920002) Subject: RE: 15-40 engine oil in a high mileage 5.3 Chevy Suburban
Southern Nevada desert
I have been running 15w 40 in everything for over 20 years, gas pickups, motorcycles, quads, lawnmowers, trash pumps, everything except the hotrods and race cars.
15-40 engine oil in a high mileage 5.3 Chevy Suburban
