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Towing performance

Discussion in 'Towing & Hauling' started by BS1981, Apr 21, 2014.

  1. Apr 21, 2014 at 12:25 AM
    #1
    BS1981

    BS1981 [OP] New Member

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    Greg
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    Hey everyone,
    I have a 2013 crewmax with a 5.7 and tow a 19' toyhauler, sometimes with my rhino loaded, sometimes not. Trailer dry weight is 5,690 and rhino is about 900 so combined with all of our shit is about 7,000#. As most of you that do tow know, gas mileage sucks the big one. I knew that getting into the truck and it's not a huge concern.

    With that being said, what have some of you done to maybe help performance while towing so that it doesn't sting so bad? I have already pulled the carbon filter thing. Some other things I am considering is an afe drop in filter and a BA muffler budget system. I am on a budget ($500) so superchargers are out of the question. I don't have plans for a lift, or bigger tires. What have others done for towing performance?

    Thanks and happy towing

    Greg

    My set up ImageUploadedByTapatalk1398064861.631296.jpg
     
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  2. Apr 21, 2014 at 7:07 AM
    #2
    csuviper

    csuviper Moderator Staff Member

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    Brian
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    Some Mods :) See build thread for details
    I don't have anything to tow (yet) so i'm not much help. Here are my thoughts
    • Hypertech Interceptor
    • CAI (but not needed if you get the hypertech Interceptor)
    • Weight loss
    • Plastidip all chrome. That typically gives you an extra 50HP.
     
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  3. Apr 21, 2014 at 7:24 AM
    #3
    BS1981

    BS1981 [OP] New Member

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    Good list of items there. Especially the plastidip lol! I've read about the hyper tech interceptor. And like you said no need for a cai if using it. I don't know if I really want a cai anyways just based on how our trucks Intake system is already set up. Thanks csuviper...who else has good eye dears?

    Thanks

    Greg
     
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  4. Apr 21, 2014 at 9:26 AM
    #4
    TruckyTruck

    TruckyTruck New Member

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    The afe wont do a thing for you except aid in dropping your low end tq. I second the interceptor and yes, a bamuffler is the way to go. Since you tow a lot, do not do dual exhaust. That also changes where your tq is on the powerband, losing low end tq. If you dont mind the sound of exhaust rumbling the whole time you tow, BAmuffler has a budget system thats about 300 bucks. With that and the hypertech, you would be out of pocket about 700. If you dont want the noise, Keith (dirtydeeds/BAmuffler) can make you one that isnt that loud. All of his have Helmholtz resonators that eliminate drone. If you can only afford one, go with the exhaust first, single out, not dual. It will give about 10 extra hp and 20 tq. The extra low end will help a tad on your mpg.
     
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  5. Apr 21, 2014 at 9:50 AM
    #5
    jberry813

    jberry813 The Mad Scientist

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    Anything that adds horsepower doesn't increase fuel economy. Takes power (fuel) to make power.
    Gas mileage is going to suck when towing. Simple fact. The only things that will help are aerodynamics and weight loss.
     
  6. Apr 21, 2014 at 10:14 AM
    #6
    TruckyTruck

    TruckyTruck New Member

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    Respectfully, I disagree with part of your post. Anytime you increase efficiency of the motor, gaining hp, you are going to get better mpg. If you add to cylinder size, etc, you may add hp and get worse mph. But the easier your truck can get the load moving, the less fuel you will waste. IE, better mpg.

    For example, the hypertech interceptor. It increases efficiency of the motor giving 1-2 mpg on avg. at the same time you will get hp and tq gain. It's been dyno'd and many people that run it report better mpg.

    Increasing efficiency is the key here.
     
  7. Apr 21, 2014 at 1:52 PM
    #7
    jberry813

    jberry813 The Mad Scientist

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    I agree with you, as I missed a crucial phrase. Let me rephrase....anything that adds horsepower while under load doesn't increase fuel economy. Cruising on the highway unl0aded would be virtually steady state.
    Unfortunately, while towing, efficiency is thrown out the window. The engine is always under load, even on the highway. You've got an anchor behind the truck, which means the skinny pedal is going to be pushed down more than it normally will to maintain speed. No plug and play box is going to magically change that. Any mpg increase you may get without a load will NOT transfer over while loaded.

    The same thing is true for an unloaded truck at WOT. All those people reporting higher HP and torque are with the engine under load. Nobody does a dyno run at 1/4 skinny pedal down. I guarantee you the gas mileage at WOT is less when compared to a non-hypertec truck. Granted overall gas mileage may be better, but that will completely depend on driving habits.
     
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  8. Apr 21, 2014 at 8:22 PM
    #8
    BS1981

    BS1981 [OP] New Member

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    Thank you for the information on the afe filter. What is your opinion, or anyone elses opinion at that, on the TRD filters? Same loss in low end torque? I have talked to Keith about the BA muffler and the budget system setup with the heimholtz on it. I am not a fan of drone so quieter is definitely better. I just cant fork out the $800 or so for the 10" muffler set up. Thank you for your insight and opinion TT :cheers:

    Yep I have realized the gas sucks (literally) while towing. Thats why I was asking for other folks opinions/tips tricks. But you did hit a good point on the aerodynamics part. Thats a big main reason why I wont be lifting my truck anytime soon (maybe if I hit the lotto). I want to stay as aerodynamic and close to stock as possible. Ive considered a shell or tonneau cover, but again, the added weight may not out weigh any potential gains. I also appreciate your input and insight JB :cheers:
     
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