Oil for winter
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New User
Joined: Jul 2005
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Oil for winter
Just curious what oil viscosity others use in winter temps. It will soon be too cold here (sometimes -10F) to stay with the 15W-40 Delo 400 I've been using. I'm thinking of 0W-30 or 5W-40 Delo synthetics since I can get them from my local Chevron distributor. A second choice is Rotella synthetic 5W-40 which is readily available at Wal-Mart. Anyone running 30 weight in the winter?
Thanks for any input.
MaxQ
1989 F-250 4X4 Extended-cab diesel
308,000 miles
Thanks for any input.
MaxQ
1989 F-250 4X4 Extended-cab diesel
308,000 miles
Post Fiend
Joined: Nov 2004
Posts: 5,638
Likes: 1
From: Manitoba
This is right out of the Vehicle Owners Manual diesel Suppliment.......
7.3 Engine oil requirements.
32F to 100F+........30wt
0F to 100F+..........15W-40
32F to way below freezing ........10W-30
My area temps go down to -45F and I change to 10w-30 Rottella or Canadian Tire 10w-30 when consistantly below 32F. You save the starter and lube the engine faster with the right grade of oil.
7.3 Engine oil requirements.
32F to 100F+........30wt
0F to 100F+..........15W-40
32F to way below freezing ........10W-30
My area temps go down to -45F and I change to 10w-30 Rottella or Canadian Tire 10w-30 when consistantly below 32F. You save the starter and lube the engine faster with the right grade of oil.
