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#7 |
VIP Member
Join Date: Dec 2001
Location: Texarkana Ark/TX
Posts: 2,446
Likes: 575
Liked 880 Times in 311 Posts
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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.
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Adger Smith (Former SS) |
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