SumoSpring Rear Axle Recommendation for 2017 Silverado 1500

Question

Question:

I have a 2017 Silverado 1500 CC Z71, 5.3 liter, 3.42 rear end with Fox 2.0 coilovers to level the front 2.0 shocks in rear as well. I tow a 25 foot travel trailer, dry weight about 5500 and fully loaded 7500 lbs, tongue weight between 675-700 lbs, 2 adults, 3 kids and a dog. Im a couple hundred pounds under my total GVWR after fully loaded. I use an eaz-lift Trekker WDH and its worked really well but I still have a slight bit of sag due to the level in the front. Planning on getting SumoSprings but not sure if I need the 1000lb or 1500lb model.

asked by: JP

0

Expert Reply:

For your truck setup and trailer tongue weight of 700-lbs or less I would go with the 1000-lb Super Springs kit, part # SSR-209-40, which is the one you referenced in your question. These will engage with enough resistance to give you load support for leveling the rear without making the ride quality too harsh.

An install video and written instructions are linked for you.

expert reply by: Adam R

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Answer 1

Since the SumoSprings will be helping to support the trailer's tongue weight load, ideally you'll want to match the amount of support offered by the SumoSpring to the trailer's tongue weight. Since at most, the tongue weight of your dump…

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Answer 2

Hey Jim, good to hear from you again! I'm surprised to see the feedback on the 1.5K SumoSprings #SS95MR simply because people normally say that these have zero effect with the truck unloaded, but since that seems to be the general consensus I…

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Answer 3

I can gladly help you with your spacing problem but I am going to send you in the direction of another product. SumoSprings will not work for your application. I recommend going with the Timbren Rear Suspension Enhancement System item #TGMRCK15S.…

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Answer 4

For the 2019 model year, Chevy offered two different body styles for the 1500 Series Silverado, the Silverado 1500 (all new body style) and the Silverado 1500 Limited (old body style), which was mechanically and visually identical to the 2018 model.…

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Answer 5

There are three different SumoSprings Solo Custom Helper Spring options for a 2008 Chevrolet Silverado 1500. The difference is indeed weight capacity; part #SSR-209-40 for 1,000 lbs, part #SS95MR for 1,500 lbs, and part #SS45MR for 2,800 lbs. The…

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Answer 6

Between the SumoSprings and the Timbren kits for your 2015 GMC Sierra 1500 I'd go with the SumoSprings #SS95MR as the Timbrens are notoriously harsh when the truck is unloaded. That said the best option is the RoadActive Suspension kits like the…

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Answer 7

The problem you are having is pretty common with newer 1/2 ton trucks. Due to consumer complaints about the harsh ride, the manufacturers have made the rear suspension more supple which is fine unless you're trying to tow. A product like the easy…

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Answer 8

The air helper springs I strongly recommend for your 2018 Chevy Silverado 1500 Z71 are the SumoSprings Solo Custom Helper Springs #SSR-209-40 because they offer your truck the best combination of ride enhancement and durability. The SumoSprings will…

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Answer 9

If a 1000 lb round bale is the heaviest thing you'll haul in the truck bed, I'd recommend going with the SumoSprings #SS95MR that you'd looked at, which would provide you a little bit of leeway in case the bales vary in weight a bit as…

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Answer 10

We offer both custom-fit pickup truck bed mats for specific year/make/model/version trucks and also universal-fit mats like the BedRug Universal Truck Bed Mat #BMX00D. This mat is 1/2-inch thick and measures 66 x 98-inches and is intended for trucks…

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Answer 11

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 12

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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SumoSpring Rear Axle Recommendation for 2017 Silverado 1500

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