Recent content by Carpart67

Wow, this got complicated. It looks like I won't be able to source Mobil 0w30 anyway. Most of the brands recommended are likely not available in my area. All you'll find around here are the basics. I had wanted to stick with Mobil1 because that's what was used in it, and I know it's available...

No leaks that I've noticed yet, although I haven't had it long. The truck only has approximately 105,000 miles on it. Not bad for an 86. I think I'll try the 0w30. I'd like to stick with Mobil1 and their synthetic high mileage blends aren't available in Canada AFAIK.

So I've read through the Oil University pages and think I've got an understanding now of how it all works. I've got an 86 GMC pickup, the oil cap calls for 10w30. The person who owned it before me used Mobil1 10w30 synthetic. When I change the oil switching to Mobil1 0w30 should offer my engine...