winter oil question
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VT Chapter Ldr
Joined: Apr 2004
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From: Orange, Vermont
winter oil question
I am going to do an oil change, my first with this truck, and I wanted to get some 10w-30 for winter, in Vermont the temps in the winter average in the 20's F with some spells at -10 to -15F. My favorite parts store only has 15w-40 for diesels. He said that is what most guys use that he knows of. So, is the 15w-40 ok? thanks.
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Joined: Aug 2008
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From: Darien, Wi
X2 what 73strokin said. Here in Wisconsin it gets mighty cold too, I run Rotella T 10w30 in the winter time as well. I've found it at NAPA and Autozone.
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Joined: Nov 2007
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From: Long Island, NY
Rotella synthetic is 5w-40 and I think only the synthetic is 5w-40. Most places that sell Rotella seem to have it like NAPA
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From: THUNDER BAY
I use 0/40 in those temps Alaskan ,My truck wouldn,t even try to start in -40 temps with 15/40 unless it was plugged in.
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VT Chapter Ldr
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VT Chapter Ldr
Joined: Apr 2004
Posts: 96,140
Likes: 294
From: Orange, Vermont
Tractor Supply does carry it, I think it was like $25 or 26 a gallon for the 5w-40 and around $50 for 5 gallons of 15w40 rotella.
The truck is not my daily driver so I was kind of leaning away from the synthetics for now, but it would probably be worth it just to make it easier to start in the winter.
I will have to check the local wally world to see what they have also.
The truck is not my daily driver so I was kind of leaning away from the synthetics for now, but it would probably be worth it just to make it easier to start in the winter.
I will have to check the local wally world to see what they have also.
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Joined: Nov 2007
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From: Long Island, NY
Now for the big question. What dose oil weight have to do with starting in cold weather? I just dont see it. I know thats the way it is but why? What does it have to do with combustion? If the engine is getting fuel and the glow plugs are working and the engin is turning over it should start. I just dont see how thinner oil makes a difference.
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From: THUNDER BAY
Thinner oil at start up will help turn over better the thicker oil makes it turn over slow and run rough even setting the check engine light sure you can run 15/40 all winter but it takes that much longer to warm up and oil temps are important for efficientsy
