oil for MN winter

scheidt27 · #1 (**permalink**) 10-07-2008, 07:27 AM

Would I be Ok to run 15-40 all year round in Minnesota? It gets balls ars cold here, but my truck will always be inside and plugged in wherever it sits. Its time for an oil change now and I dont want to run a lighter oil yet because its not all that cold yet. I also DONT want to run 5-40 rotella synthetic, I think synthetics are a waste of my $$$. Would I be ok running a 10-30 if its still 60's outside or just run the heavy stuff all the time? Thanks

**SuperDutyPSD6L** · #2 (**permalink**) 10-07-2008, 07:42 AM

I would run 10/30. Thats what I run here in Colorado.

scheidt27 · #3 (**permalink**) 10-07-2008, 01:03 PM

Gotcha. Im thinkin I might just do that. It shouldnt hurt anything, I wouldnt think anyways. This will be the oil in all winter so I would like it to be the 10-30.

**MATREDGT** · #4 (**permalink**) 10-07-2008, 01:25 PM

Not trying to hijack your thread, but I have had a similar question and haven't asked it yet. Who makes a 10W-30 diesel oil or lighter? Only thing I can find around me that is dino oil is 15W-40 and I to would like make a it a bit easier for the truck to start this year. There were a few times last year that the truck sounded horrible getting going.

So who makes a dino oil in something less than 15W-40? As much as I would like to run synthetic its not going to happen with this poor college student. I'm going through a career change right now and not working much so I have to cut some stuff back right now.

Thanks,
Mike

**Dave** · #5 (**permalink**) 10-07-2008, 01:27 PM

I ran 15w40 rotella year round since i have had PSD's. I recently switched to Amsoil 15-40. I live in WI. You are good to go

scheidt27 · #6 (**permalink**) 10-07-2008, 01:27 PM

Rotella makes a dino 10-30. I think there might be a Delo 10-30 as well, not sure on that one though. Im gonna go with the Rotella

scheidt27 · #7 (**permalink**) 10-07-2008, 01:30 PM

No rough starts Dave? Hmm maybe I'll just stick with the 15-40 now. I need to make up my damn mind.

**Dave** · #8 (**permalink**) 10-07-2008, 01:32 PM

I had one rough start but it was about 25 below. and forgot to plug it in. Im waiting to see what amsoil does for me

scheidt27 · #9 (**permalink**) 10-07-2008, 01:38 PM

I should be fine with the 15-40. It doesnt get real cold here until jan-feb anyways and im religious about plugging it in.

**Dave** · #10 (**permalink**) 10-07-2008, 01:40 PM

then you have nothing to worry about

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