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  1. #1

    Default what kind of oil?

    wondering what kind of oil everyone runs right now im running amsoil synthetic but its exspensive and kind of hard to get your hands on it around here
    2004 GMC Sierra
    pace headers
    magna flow muffler
    gm performance intake
    305/70/16 Toyo MT
    16in hello maxx rims
    1987 Chevy K5 blazer
    stock 350
    4" lift 35s

  2. #2

    Default

    i switched to synthetic last week I put in Royal Purple $ w a kn oil filter

    but prior to that It only got Penzoil


    got them both from my local Orilley Auto Parts
    Ryan

    2002 Jeep Wrangler Sport 4x4 (the Yellow Jacket)
    4inch suspension 3inch body
    Straight 6 (383 Stroker within a year)
    36inch SuperSwamper TSL.
    105,000
    Detroit Loccers
    Daily Driver Weekend Wheeler
    much more...

    2004 Sierra crew cab, 2wd, 5.3 V8
    2inch Daystar Leveling kit
    single dumped Flowmaster 40 sieries exaust(removed)
    Mb Blitz Chrome wheels
    Leer Bed Cover(for sale)
    50k miles
    :glasses:




  3. #3

    Cool Synthetic oil

    I use the Mobile One Extended which says its good for 15k or one year but change every 5k to 7k miles.
    Mark - Phoenix
    97 Chevy Silverado X-Cab
    86 Monte Carlo SS
    72 Chevelle Convertible

  4. #4

    Default

    I'm also running Royal Purple, but Mobil 1 is very good and a little less expensive.


    2010 Z/71 Colorado C/C
    Black 4X4 w/5.3L V8
    ===============
    2007 Winnebago Adventurer
    w/8.1L Chevy & Allison 6spd.
    Canyon Lake, Texas

  5. #5

    Default

    I started using Royal Purple, then decided to switch to Mobil 1 to save a little coin. I've been happy with both.
    Matt
    Hallsville, TX

    2005 Silverado 1500 LS Crew Cab 5.3L 2WD
    K&N FIPK II
    Magnaflow Exhaust
    Hypertech Max Energy Programmer
    Suspension Leveling Kit
    Putco Element Window Visors
    Carriage Works Billet Grille
    TruXedo TruXport Tonneau Cover


  6. #6
    Legend

    Join Date
    Aug 2008
    Location
    East of Branson, Missouri
    Posts
    2,788
    Blog Entries
    14

    Default

    After reading the great posts here I'll be doing Mobil 1 and changing every 7500 - 10,000 miles depending on whether I've done any towing or heavy work.
    Steven



    "The Sarge"
    1999 Chevy Suburban LT- K2500
    7.4 454 Vortec, 4WD
    305/70/16 on Eagle Alloy




  7. #7
    Sr. Engineer zach45's Avatar
    Join Date
    Apr 2008
    Location
    staten island new york
    Posts
    481

    Default

    every 5 k..
    castrol syn.
    08 5.3 silverado...toyo m.t 33 12.50 18 rockstars...leveled with 2" blocks...cherrybomb catback...6k hids

  8. #8
    Legend bry2500's Avatar
    Join Date
    Oct 2008
    Location
    Gloucester, MA
    Posts
    2,201
    Blog Entries
    4

    Default

    I just did my oil change and used Quaker state full sythetic horsepower & torque formula. So far I like It I have always used Mobil 1 in my vehicles but figured I would try this one in my avalanche. It runs around the same price as Mobil 1.
    BRYAN

    "IF YOU DON'T TREAT IT LIKE A TRUCK IT'S JUST A REALLY BIG CAR"

    02' Avalanche 2500 Onyx Black
    8.1L Vortec
    43,000 miles

  9. #9
    Jr. Mechanic SilveradoBrett's Avatar
    Join Date
    Oct 2008
    Location
    Fort Lupton, CO
    Posts
    99
    Blog Entries
    1

    Default

    I run mobil in everything I own except the yamahas that I guess are supposed to have the "special" $20 a quart of racing oil. But it only takes a quart so I don't complain about that. So I used to run penzoil all the time, swore by the stuff. But when it came time to rebuilt the ford motor there was so much gunk on the valves that it was just plain gross. I thought it was normal and then a few months later I helped a buddy rebuild an old 351W that had been using mobil forever. After comparing the gunk build up on the two valves I made the switch to mobil. I even use the lubricant for my guns, the stuff is great and not too expensive. However every once in a while castrol full synthetic is on sale at vatozone (not autozone where I live) so I get that. Both are great, but for the most bang for your buck I have found that mobil extended is the best deal. Also you can buy it at walmart while you are buying your clothes! Pretty sweet!
    1996 Chevy K1500 Silverado Z71
    -248000 miles
    -The legendary 350 small block V8 (5.7L)
    -Sound System with a 10'' kicker L5 sub and 1300W amp in a sealed box



  10. #10
    Jr. Apprentice
    Join Date
    Oct 2008
    Location
    Chambersburg, PA
    Posts
    18

    Default oil

    I have been running castrol syn and change every 5000miles for 6 years in my truck and its good stuff. I run my truck pretty hard. I run pennzoil (not syn) in my 08 malibu and thats pretty good stuff.

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