What oil while towing

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Hi all, I'm not sure if this is the right section to post this in. I'm sorry if it isn't Here's my question: What oil would give better protection in a SUV towing a enclosed cargo trailer, a synthetic (PP, Mobil 1, Val. SynPower, etc.) or a HDEO? Thanks,
 
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Either one will give the same protection. The primary advantages of using synthetic oils are better cold starting characteristics and longer OCIs. But they don't "protect" better than a good HDEO.
 
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IF the truck is under warranty, get a good synthetic in the required grade. If the truck is older, use whatever you'd like. I think a synthetic 5W-40 is the best of BOTH worlds, so I'd go with that.
 

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 Originally Posted By: addyguy
I think a synthetic 5W-40 is the best of BOTH worlds, so I'd go with that.
As do I.
 
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mobil 1 makes a nice 5-30 for truck and suv. i have used several times in my personal hauler, i tow upwards of 10000 lbs. but like said before i have used 5-40 syn before and that worked out pretty well
 
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