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Adger Smith · 08-18-2009, 08:51 AM

Tom,
I noticed my '05 chevy truck started having longer change intervals when I switched to Valvoline synthetic @ around 45,000 miles. I had been using what ever brand the local oil changer used. Now I do the change myself. I just guessed the computer figured out the oil lasted longer. Mileage did increase, too.

08-18-2009, 08:51 AM	#7
Adger Smith VIP Member Join Date: Dec 2001 Location: Texarkana Ark/TX Posts: 2,446 Likes: 575 Liked 880 Times in 311 Posts	Re: change oil message? Tom, I noticed my '05 chevy truck started having longer change intervals when I switched to Valvoline synthetic @ around 45,000 miles. I had been using what ever brand the local oil changer used. Now I do the change myself. I just guessed the computer figured out the oil lasted longer. Mileage did increase, too. __________________ Adger Smith (Former SS)