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Thread: Oil Usage

  1. #1

    Default Oil Usage

    I have a 2007 Silverado Classic with 35K. Normally, this vehicle sees less than 100 miles a week, and the oil level does not change visibly between oil changes. Over the past 6 weeks, I have been communiting 100 miles a day, and driving 600 miles most weekends. When I checked the oil, it was a quart low. Since this is the first time I've seen a visually detectable difference in oil level between changes, I wanted to ask whether this is normal, or a cause for concern. Thanks.

  2. #2


    You may have had some water condensate build up but I doubt that was a quart for sure. Welcome to the club, mine uses 2 to 3 quarts between changes. Were you shocked when the "low oil" light came on? I was after spending $30k for a truck.

  3. #3


    Hi! What kind of oil you running?
    2000 Silverado 5.3L Z71 4x4: K&N air filter, Procomp 16x8 rims, 285/70R16 Toyo AT2s, Kenwood head unit, Alpine 500.1 amp, 12" kicker, Infinity 5.25" speakers, Bilstein HD shocks, EBC GD Sport dimple & slotted front rotors w. EBC green stuff pads, Brembo slotted rear rotors & HIDs.

  4. #4


    Welcome to the club. What motor do you have?

    2005 Chevy Silverado Z71 Crew Cab
    6" Skyjacker lift w/Edlebrock dual front remote resoviour shocks, single rear remote. Rancho skid-plate.
    17" x 9" M/T Classic Lock Wheels, 35" BFG A/T or M/T tires
    4.10 PercisionGears w/factory locker, T/A Performance rear-end cover
    Banks CAI intake, ported throttlebody, JBA coated headers, over-sized Magnaflow cats, Magnaflow cat back exhaust, Diablo tuned
    B&M aluminum deep transmission pan
    Warn brush guard w/Warn 9.5 XP winch, PIAA bulbs, Line-X bedliner, AWS Black tool chest, Extang tonneau cover
    Weather Tech floor mats
    Cover-Craft seat covers
    Dash mat cover
    Formula One window tint
    One black Lab in rear seat.

  5. #5


    My '08 5.3l uses a quart about every 4k. I was using valvoline 5-30 syn, now switched to Mobil 1 full syn...I'll let you know as soon as I check it, but I don't expect a change.

    btw-5.3 iron block, AFM, e85 opt.

  6. #6


    thats funny, cause my 05 and the old 03 never used any oil between changes.

    guess I got some sweet blocks.

    a quart over that many miles isnt a huge deal, even a quart low, its not a major issue if your not working it to death, youve still got 4 and a half rolling around in there.


    2011 GMC Sierra SLE 5.3 Z71 4X4 Stealth Gray Metallic / 2004 Chevy Impala LS 3.8 Cappuccino

    Tow mirrors - Diablew Tuned - Flowmaster Regular 40 - Ready Lift 2.5' lift - BFG LT A/T K/Os - Carr Light Wing - TruckLite LED lights - Optima Red Top - 50% Front Window Tint - Line-X bedliner - Airaid MIT - Tekonsha P2 - ARS Billet Grill - Fia custom fit seat covers

  7. #7


    Thanks guys. I have the 6 cyl. and run Valvoline full synthetic. For the period in question, the truck was used pretty much like a work truck, just all highway. So I guess it's not a big deal.

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