How good is the 5.3L V8 for towing ???

Discussion in 'Towing & Trailer Tech' started by carbon black, Mar 16, 2012.

  1. Boonduff

    Boonduff Rockstar 4 Years 100 Posts

    Maybe if your drag racing, but when you're towing, torque is what maintains your speed when climbing hills or driving into a strong headwind.
  2. carbon black

    carbon black Member

    Well the long weekend is upon us and the test begins - towing my travel trailer on a round trip of about 700 kms - here's where I'll be comparing the Sierra's 5.3 L V8 and 6sp with 3.42 gear ratio with my old Nissan Titan's 5.6 L V8 and 5sp
  3. Beau Hart

    Beau Hart New Member

    I have a 2012 silverado 1500 , 3.42 rear end , heavy duty trailering package , looking at getting a travel trailer with a dry weight of about 7500 lbs , we live in eastern nc which is flat and our main destinations will be flat land , any opinions on this rig ? thanks
  4. Beau Hart

    Beau Hart New Member

    Do you still tow with the same truck ? i have a 2012 with the 5.3 vortec with the 3.42 rear end with the heavy duty trailoring package .. thanks
  5. RayVoy

    RayVoy Epic Member 5+ Years 5000 Posts

    Heavy duty trailer package doesn't offer a lot. It is RPO code Z82

    The heavy duty cooling package is what you need, RPO code K5L. I think K5L includes KC4 which is engine oil cooler; but I could be wrong.

    Actually, even with the above, 7500 dry is a lot of weight.
  6. 2000sierra

    2000sierra Rockstar

    I have a 2000 5.3 , 3.73 gears with towing package and pulled my 6,000 plus pound trailer all day long from Spokane , WA to West Yellowstone which is very high altitude terrain in the summer with no problems. Temp stayed at normal range and averaged 11-13 mpg. Would love to have the 6.2 or diesel but truck is paid off so I'm ok with that. With my cold air intake and magna flow exhaust and Mobil 1 synthetic oil it's a great combination and the engine stays cooler with that oil I believe. Truck on!
  7. Beau Hart

    Beau Hart New Member

    How about stopping?
    RayVoy likes this.
  8. 2000sierra

    2000sierra Rockstar

    Stopping? Brakes on truck and trailer?
  9. Alabaster_16

    Alabaster_16 New Member

    I have the 5.3 w/ 3.73 gears and tow a 6k trailer (empty eight) up and over the grapevine in California no problem. averaged 11.4 mpg.
  10. WorthFlorida

    WorthFlorida Rockstar 4 Years 100 Posts

    WOW, this post started in 2012 and it was resurrected. Just want to add a few comments.
    1. Horse power is how fast you can do work, torque is how much work you can do. It's why diesels are always preferred in heavy load situations, lots of torque to get the job done.
    2. Altitude! When you in the mountain or at high altitude areas such as Colorado, the higher you are the less power from the engine, but if you have a turbo charger, a mute point.
    3. Don't get a truck that is at the max load of your towing if you plan a lot of towing time. Any truck just wont last, trans, brakes, rear axle will wear out faster than on a heavy duty truck. For continuous towing, try to keep the weight to 80% of the designed max.
    xPosTech, thegawd and silverado002 like this.

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