Quote:
Originally Posted by EricSilver
It's not. The 15W40 comes in a 4-qt bottle (1 gal) and the 10W50 comes in a 5-qt, thus the price difference.
I found Castrol 15-40 today at WalMart. They call it "Tection" and it is labeled Diesel oil. I bought 2 gallons for about $8.50 each. (Walmart also has Shell Rotella and Mobil Delvac(?) in 15W40.
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In canada we have 5 litre 15W40's of castrol at Walmart for little less then $12... when everyone else sells 4.4litres at about the same price sometimes a buck or two more..Strange... 1 Gallon is 3.78 Litres.