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  1. #1

    Question What kind of oil?

    Iím sure this question has been asked and asked again. For you guys that know me, you know Iím pretty new to trucks. In all my cars I have used different oil depending on what I was driving and if I was leasing or not. I have 08 WT, V6. It is an everyday driver minimum 40miles a day. I am at 38,000 miles. With all that said:
    What oil should I use? (Brand and synthetic or what)
    Tim Walters (Curky)

    Wrangler AT/S 265/70R17 - Trail-FX window vents - Husky fitted splash guards - Silver Star zXe - Leveling kit -

  2. #2


    Can't go wrong with a good synthetic such as Mobil 1 or Castroil. As for weight, check your owners manual as it should be in there. If not, I always put 10W-30 in my V6 but it was from a totally different decade

    If at first you don't succeed, get a bigger cheater bar.

    1999 GMC Sierra SLT Z71 | 5.3 "Vortec" | Spectre "Cold Air Intake" | TransDapt TBS | Hypertech 30005 Tune | 2005 Chevy Tail Lights | Denali headlights | Grill Mounted Fog Lights | AWS Bug Shield | 265/70/16 Futura Scramblers | Boss HD Speakers | 2005 Overhead Console | Flowmaster Super 40 mufflers 2N1O | Mostly stock-ish
    Bigger Amp Alternator | Electric Fans | Transmission Fluid cooler | Paint (Halfway there)| Interior Restoration/Upgrade with newer model parts | Window Visors (In channel) | Tint | Low-Profile Tool Box | LEDs throughout stock cab locations (68% Done) | And whatever is spurr of the moment
    CVN-69 "IKE-ATRAZ" AIR/V-2 Gear Dawgs

  3. #3


    I use Valvoline 5w30

  4. #4


    If I had unlimited moneys I'd always run royal purple but every other oil change I take it in to get a full service and everything checked out and they use penzoil synthetic so thats what I've been using!

    2006 Duramax LBZ
    Edge Evo
    4'' Diamond eye to 6'' tip
    16'' ion alloy, 33'' fierce attitudes
    Lots of work left to do!

  5. #5
    Master Mechanic
    KyleZ71's Avatar
    Join Date
    Jun 2010
    York and Wilkes Barre, PA


    I used penzoil platinum, royal purple, valvoline synpower, and mobile 1 full synthetic. I like mobile 1 for the price (good quality) but the best performance and mileage I had was with royal purple.
    Last edited by KyleZ71; 06-03-2012 at 10:44 AM.
    Objects in mirror are losing

    2003 Chevy Silverado Z71, 5.3L, K&N 57 series, 2.5'' Flowmaster Super 10 series dual exhaust , Corvette Servo, McNew Automotive Dyno tune, SS gauge cluster, Extang Trifecta Tonneau, Pacesetter shorty headers, Goodmark cowl hood, Sony Xplod speakers, Kenwood DDX-470 exhaust tips, 16" Ultra Badlands polished wheels, Pirelli Scorpion ATR .

  6. #6


    Tha nk You everyone. I love it here... you can get anything answered

  7. #7


    I use Mobil 1 Fully Synthetic 5W-30 in about everything i have

    2009 Chevrolet Silverado 1500 LT Z71 Crew Cab "All-Star Edition"

    Line-X'd Bed
    Line-X'd Custom Brush Guard(Heavy Duty)
    5.3L Flex Fuel
    275/65R18 Toyo Open Country AT2's
    2" Rough Country Leveling Kit(want to get the 2.5 RC kit)
    EGR In-Channel Vent Visors
    Exterior PLUS Package
    Interior PLUS Package
    K&N Drop-In Air Filter
    Cat-Back Dual Exhaust
    Black Bowties
    Diablo Sport Predator(AFM Disabled)
    Towing Mirrors
    Next Planned Mods
    Blacked out Tail Lights
    Aftermarket Rims

  8. #8


    Valvoline 5W30 (conventional oil) premium every 3000 with a Delco oil filter. Motors last for ever.

    In fact I use all Valvoline lubrication products. They have worked for me and Valvoline is one of two things that my dad and I agree on.

    Most premium oils are just fine. Make sure that you use the correct weight (5w-30) as prescribed.
    Stay away from pennzoil conventional unless you want a motor that is all gummed up
    It is recommended to stay with the same brand of oil. Each manufacturer has a difference in additives (detergents and viscosity modifiers). Pick a brand and stick with it.
    I have not been a fan of synthetics. They are great and expensive. If you are running the engine in an extreme duty (racing, extreme heat, excessive load) then a synthetic is warranted, other wise you're spending extra cash.
    This is Chevy Country.

  9. #9


    id never go back to conventional oil again...JUNK IMO

  10. #10


    In order of preference... Royal Purple and Valvoline.

    ---------- Post added at 08:06 PM ---------- Previous post was at 08:04 PM ----------

    In order of preference... Royal Purple and Valvoline...
    2009 Chevy Silverado 2500HDLT 6.0L w/ Towing Package, Dick Cepek GM8 Rims, Dick Cepek FC II 33X11.50R17,RKSport Ram-Air Hood(Functional), Lazer Lite Aluminum Tonneau Cover, Road Armor Stealth Bumper, PIAA Lighting, Diablo Trinity Tuner, Diablew Custom Tune, BullyDog Cold Air Intake, American Racing Headers w/highflow cats, Corsa Performance Sport Exhaust, Custom Striping, Black Bowties front and rear, Fuel Grille Inserts, Recon Headlights, Readylift Shocks, Readylift Upper Contol Arms, 2" Blocks in the Rear..

    Future Plans: HD Tie Rods, Under hood upgrades, Crower Camshaft and possibly electric fans.

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