[Sick SS]

I just changed the oil in my truck and used 10w-30.After I was done I relized the oil cap called for 5w-30.Is this going to hurt my trucks engine?

Thanks.

 

[95tbis10]

It shouldn't hurt it. I've always used 10w30 in my vehicles. I think the 5w30 is just a lighter oil that you can use when the weather dips below a certain temp (I think when it's colder than 40 degrees) but I've never bothered even in my cavalier 4 banger. Have had any problems turning over when trying to start when cold out.

 

[Trancer]

I use 10w30 to keep my oil pressure up.

 

[chevync]

Ive used 10-30 for alongtime, hasnt hurt anything....

 

[Xtreme03]

They call for 5w-30 when they're new, but once you get up to 75,000 miles or so then switch to 10w-30, since the engine is worn, it needs a little thicker oil. I ran 20w-50 in my 91 Firebird with 140k on it and it did great.

 

[rlith]

124k on mine, I still run 5w30 Durablend (synth/dino blend) I still don't burn any oil

 

[BlazerLT]

In colder areas of North America during the winter, use 5w30 or even 0w30 to have the thinnest oil possible when starting the engine.

That way the top end will get oil ASAP and stop and damage caused by dry friction when the oil is really cold and hard to pump.