15W40 Vs. 10W40 Pro\'s/Con\'s, Which ones BETTER?

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15W40 Vs. 10W40 Pro's/Con's, Which ones BETTER?

09-07-2006, 10:30 PM

EricSilver EricSilver is offline

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Join Date: Mar 2000

Location: Fairfax, VA

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Quote:

Originally Posted by trueog

which one provides better heat protection? and also why is 10W40 more cash?

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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