Troubleshooting Travel Trailer Porpoising While Using Weight Distribution System

Question

Question:

I have a 2017 GMC 1500 with 6.2L and max trailer package rated to tow up to 11,800lbs. Had my TT weighed loaded at 9,600. Tongue weight loaded is 1,300. I have the Blue Ox 1000 lb. It tows well most of the time but on many road surfaces the truck will porpoise. I now use 10 links on the chain, so cant really go much more. If I switch to the 1500lb springs, will it help with the porpoising?

asked by: Jim

0

Expert Reply:

The porpoising is partially due to your tongue weight being far greater than your weight distribution system is rated for so the system isn't able to distribute the weight effectively. The Replacement Spring Bars for Blue Ox SwayPro Weight Distribution System - 1,500 lbs TW # BXW4008 will allow you to upgrade your current system to better distribute the total tongue weight. You also want to make sure you calculate any weight behind the rear axle of your truck into that total tongue weight that your weight distribution system needs to account for.

expert reply by: Jason S

0

Answer 1

Blue Ox has an easy system for determining the weight capacity of your spring bars, whereas other companies may use measurements or printed capacity to assist. With Blue Ox, there is a 5 dimple system: No dimples means it is rated for up to 350 lbs…

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Answer 2

The Replacement Spring Bars for Blue Ox SwayPro Weight Distribution System #BXW4008 (1,500 lbs.) work for tongue weights between 1,000-1,500 lbs. so if your tongue weight is at that 1,000 lb. mark you will be ok. It may ride stiffer due to the lower…

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Answer 3

If your trailer's loaded tongue weight is at 1,000 pounds I do recommend upgrading your system by replacing the spring bars with the 1,500 pound #BXW4008. This will be a simple swap and they will work with the existing head on your Blue Ox…

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Answer 4

I would recommend using the Replacement Spring Bars for Blue Ox SwayPro #BXW4008 1,000-1,500 tongue weight bars. If you're already seeing close to 1000lbs of tongue weight as it is, I would only imagine when traveling that number will start to…

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Answer 5

If you are needing replacement spring bars for your Blue Ox Weight Distribution System, I recommend going with the 1,500 Pound Spring Bars #BXW4008. This will provide you with a tongue weight capacity range of 1,000 to 1,500 pounds, so even when you…

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Answer 6

You are correct. Since your tongue weight falls between the 1,000 lbs - 1,500 lbs range, you would want to switch out your 2 dot spring bars with the 4 dot Replacement Spring Bars for Blue Ox SwayPro Weight Distribution System #BXW4008. This will…

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Answer 7

The 3 dimples on the Replacement Spring Bars for Blue Ox SwayPro Weight Distribution System #BXW4008 indicate they are rated for up to 1,000lbs total tongue weight, and the 4 dimples mean they are rated for up to 1,500lbs. That being said you can not…

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Answer 8

When you say Blue Ox 1,000 lb bars, I believe you are referring to the Blue Ox SwayPro Weight Distribution w/ Sway Control part #BXW1003 system which has bars rated between 750 lbs-1,000 lbs trailer tongue weight. It doesn't make much of a…

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Answer 9

Thanks so much for that good info, and one of the nice things about the Blue Ox SwayPro weight distribution hitches is that when you upgrade your trailer to something heavier (or lighter) you can simply swap out the spring bars to ones with the right…

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Answer 10

I am going to assume you have the Blue Ox SwayPro weight distribution hitch, and you can use the system you have now, and all you'll need to do is upgrade the spring bars. For your 10,000 lb GVWR trailer, what you will need are the following: -…

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Answer 11

The operation for the Blue Ox SwayPro #BXW1000 is going to be the same even with using the larger 1,500lb Bars #BXW4008. With that said if this is a different trailer than the one you previously used the spring bars for the trailer itself may be…

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Answer 12

Yes, you'll want to use larger bars than the ones that came on your 3.5K Blue Ox SwayPro Weight Distribution w/ Sway Control #BXW0350. If all of your cargo will be in your trailer and you can keep the tongue weight at about 942 lbs once it's…

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Troubleshooting Travel Trailer Porpoising While Using Weight Distribution System

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