Costco's 5W-20 Synthetic Blend Oil The Ultimate Engine Guardian

I don't think this applies to oil. If you buy carefully on Amazon, you can buy Pennzoil 5W-30 synthetic for about $18 per 5 gallon jug. This is ... Kirkland Signature Full Synthetic SAE 5W-30 Motor Oil displays its ... It was not unusual for high performance engines to use 20W-50 oil. I've been using Kirkland brand 5w-30 on my FXT and 0W-20 on my Accord with no ill effects. Price is right. Castrol Edge 5W20 Full Synthetic Engine Oil 3-pack, 5L Jug Castrol EDGE Full Synthetic 5W20 Engine Oil. Looking at the report, I am very happy with the TBN from this oil and will absolutely continue using the Costco Oil. My Oil changes right now ... Nearly all oil is Synthetic, or at least a blend. I run 5w-20 from 5000-6000 miles with no worries. I use Havoline DS in the 6 quart box because ... Thoughts on Costco's Kirkland Synthetic Oil? I have about 3 quarts on hand of Penzoil Platinum. Would there be an issue mixing it with 3qts ... Kirkland Signature™ Full Synthetic 5W-20 Motor Oil is for use in gasoline, ex-fuel or gasoline-electric hybrid vehicles requiring SAE 5W-20 API SP, SN PLUS, SN, ... I've been using the Kirkland oil now for years with great results as all my vehicles generally go to 250K miles or more. However, I change my oil every 5000 ... Honestly, just get it done by costco, they charge $60 for synthetic oil changes. By the time you get the oil ($20) and filter ($10) and then ask someone to do ...