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  1. #1

    Default New Engine, Old Engine Question

    I'm thingking about repowering my 07 Sierra and upgrading from a 4.3 to at least a 4.8. I can use some input on and memebr's experience about what's the best way to get rid of my old engine. My current engine has 33,500 miles on it.

  2. #2


    goldie, I would go with a 5.3, gas mileage between the 4.8 and 5.3 are almost the same. How about the new 5.3H.O.??

    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.

  3. #3


    nah, drop in a 6.0. :-D


    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

  4. #4


    Thanks, something to ponder and consider. But how do I get rid of the old engine? I need logistics like this taken care of before I jump in and start playing.

  5. #5


    I would contact some auto recycling yards near you and see if they will buy and pick-up. Maybe if you let them see the engine running in the truck they will be willing to give you a little more money for it.

    ---------- Post added at 04:45 PM ---------- Previous post was at 04:43 PM ----------

    I saw your other post about transmissions. If I may ask, what is your goal, more power, more mpg's, etc...?

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