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Old 07-23-2013, 01:37 PM   #1
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Chevy Suburban Towing 5K Trailer

I have a 2011 Chevy Suburban with the stock 5.3L, I'm towing about 5k worth of trailer. I'm looking for some more torque here in Colorado, the SUV does well on the flat highways, but bogs down in the hills with the trailer. I've install a K&N cold intake, but its still not enough. What have others done with a Chevy 5.3L? Thanks
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Old 07-23-2013, 01:54 PM   #2
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What gears do you have? 3.73 or 4.10 ratio is going to give you the biggest bang for the buck. I have 3.42 or something like that and I notice it on these things we call "mountains" in Pennsylvania. I can't even imagine hauling in Colorado. My dealer said they would charge like $700 to change them without voiding warranty.
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Old 07-23-2013, 02:14 PM   #3
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I have a 2011 Chevy Suburban with the stock 5.3L, I'm towing about 5k worth of trailer. I'm looking for some more torque here in Colorado, the SUV does well on the flat highways, but bogs down in the hills with the trailer. I've install a K&N cold intake, but its still not enough. What have others done with a Chevy 5.3L? Thanks
Cheapest fix is use the gearshift. Plays heck with mileage but it's easier on the Suburban and your hip pocket.
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Old 07-23-2013, 02:35 PM   #4
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Cheapest fix is use the gearshift. Plays heck with mileage but it's easier on the Suburban and your hip pocket.
X2. down shift until you can hold 2500-3000 rpm and hold it in that gear till you over the hill. Not much else you can do. Take it easy, no worries...
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Old 07-23-2013, 02:39 PM   #5
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I have a 2011 Chevy Suburban with the stock 5.3L, I'm towing about 5k worth of trailer. I'm looking for some more torque here in Colorado, the SUV does well on the flat highways, but bogs down in the hills with the trailer. I've install a K&N cold intake, but its still not enough. What have others done with a Chevy 5.3L? Thanks
Do you have the 3.08 or 3.42 gears? I had looked at several burbs and it was real hard to find the 3.42's. If it was a 2wd burb I would consider a gear swap as I'm sure it would help.
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Old 07-23-2013, 02:44 PM   #6
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Looks like i have 3.42 gears per the specs on my Suburban. Thank you for the info.
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Old 07-23-2013, 08:39 PM   #7
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you should have the 5 spd. trans.
i'm surprised you are having issues.
i'm pulling my 5000lbs. loaded Roo 23SS with an '07 Avalanche, basically the same vehicle. but i have the old 4 spd. trans but do have the 3.73 rear end.

i have no problems towing over the Sierras, Cascades and Siskiyous. i've even towed thru the Rockies and always had plenty of power.

not sure if you're expecting more than what's normal.
but there's only two of us in the truck, while your Burb may be loaded to the gills.
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Old 07-23-2013, 09:44 PM   #8
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I wonder if those gears make that much difference, if you have a 23SS, that is a little heavier than mine and you are able to haul just fine. Thanks Dan.
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Old 07-23-2013, 09:50 PM   #9
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Use the gearshift and limit rpm to 3600, try to hold 3000 min and just keep downshifting, the ones behind you will either pass you or tolerate you.
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Old 07-23-2013, 09:53 PM   #10
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They do make a good bit of difference in low end torque and may get you around 2 mpg better while towing. Depending on how you drive, it might cost you that while not towing. The thing is to balance the cost of a swap vs. how many miles you would have to tow to offset it. I just recently looked into it for mine and decided it wouldn't pay (around 3k miles towing if it got me 2 mpg) with the amount I tow per year. Cheaper to just take the mileage hit while pulling for me. I may reconsider when I see if mine struggles with the new trailer in hilly country. Until then.....downshift and stay out of the gas.

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the ones behind you will either pass you or tolerate you.
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