What type of oil to use for Winter

[ladorn45]

Hey Everyone,

I have been reading up on what type of oil I should be using for the tahoe in winter weather, but keep getting mixed advice. Would like to get everyone's input on what grade oil they use on their tahoes in the winter. I live in NJ so we don't have super harsh winters but I do Drive up north a lot. Any input would be appreciated.

 

[Sasquatch]

5-30 synthetic all year round.

 

[ladorn45]

Okay so you don't put 0w or 5w in your truck during the winter?

 

[HiHoeSilver]

Should already have 5w in there.

 

[Rocket Man]

Same all year, 5w-30.

 

[Sasquatch]

If i lived in the arctic circle i might think of going with a thinner oil but here in the northeast 5-30 works fine.

 

[mmeachem]

5w30 synthetic all year


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[PG01]

Shit, I remember when everything got 10w-40....maybe 30...... didnt matter what it was

 

[Matahoe]

At 165k I now use Quaker State Defy 10w30 High Mileage (semi-synth). I did originally use Mobile1 5w30 full synthetic but it ended up going right by the valve stem seals and piston rings gunking up / carbonizing my valves and top of pistons. As you can imagine it was eating oil quite rapidly...about 2 quarts every 3-4k mIles. Now I burn 1/2 quart per oil change. Either its the higher weight oil im using, the high mileage additives or a combination. Either way im doing quite well now in the oil consumption department.

I did do a fair bit of research and it's actually recommended to use 10w30 over 5w30 if you use your truck for any type of play/towing/offroading as it offers better protection. All 5w30 gets you is maybe .5 mpg more and quicker winter starting. You will have to weight the pros and cons yourself. I would say use 5w in the winter and 10w in the summer. Seems like a no brainer.

 

[BeenChevy]

Yep, 5w-30 synthetic M1 75K+ does well for mine, even in -30F.