• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

how many miles does your 3.8 have??



101000k what type of oil is best for high mileage engine like this. I've been running mobile 1 10w-30 high mileage it seems to be burning 3/4 quart oil every 5000 miles
 
Oil is oil.

Run whatever you want.

GM will say 1-2 quarts per ~3,000 miles is normal, and you are no where close to that much oil being burned and you go 5,000 miles.

IMO the highmile oil is just re-named regular oil, so they can make more money.
 






127,000. Trans will shift a little hard once in a while, but I've had no major problems with the car so far.
 
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