Height of Timbren Rear Suspension Enhancement System TFR1504E for 2021 Ford F-150

Question

Question:

My 2021 f150 has 8inch clearance between the frame and axle unhooked from the tow camper. Then when hooked up the clearance is app 5 1/4 inch will the timbren help with the bouncing of the truck

asked by: Crane

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Expert Reply:

The Timbren Rear Suspension Enhancement System part # TFR1504E which is a fit for a 2021 Ford F-150 measures 8" tall with the spacer or 7" tall without the spacer. The springs are designed to reduce sag/squat as well as sway and body roll. That said, they don't really reduce bounce.

If you are having issues with bouncing, I suggest moving the weight on the trailer around so there is more tongue weight, between 10-15% of the trailer's max.

expert reply by: Conner L

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Answer 1

The 3,000lb SumoSprings Rebel Custom Helper Springs #SS95QR will provide more support to reduce the amount of sag that you are having with your dump trailer. Both the Rebel and 1,500lb SumoSprings Solo Custom Helper Springs #SSR-117-47 will perform…

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Answer 2

Our suspension enhancement kits like the Timbren part #TFR1504E that you referenced will not give you more towing capacity than what the vehicle came with from the factory. It will just allow you a safer and more stable way to continue towing within…

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Answer 3

I recommend to use the SumoSprings Custom Helper Springs part #SSR-117-47 on the 2018 Ford F-150 with the 1 inch spacer included in the kit. The springs are 9 inches long and you have 11 inches from the axle to the frame. With the spacer, you will…

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Answer 4

The SumoSprings Solo Custom Helper Springs, part #SSR-117-47, are 9-1/2 inches from where they bolt to the truck's frame to the bottom of the spring. They're desiged to fit Ford F-150's from 2009 to 2018. I've linked a video fo them…

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Answer 5

Typically, with a properly rated and installed WD system, additional suspension support isn't needed, but if you're still experiencing some rear sag on your 2015 Ford F-150 or just feel like more support is needed for a smoother ride, then I…

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Answer 6

I recommend the SumoSprings Solo Custom Helper Springs part #SSR-117-47 instead of part #SSR-117-40 for your 2019 Ford F-150. In regards to the SumoSprings, you will always want to have a safety margin and the above will be perfect for your setup.…

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Answer 7

The best way to fix the sag you are getting on your lifted 2018 Ford F-150 when towing a trailer is to use the Timbren Rear Suspension Enhancement System #TFR1504E which is designed for this exact situation - reduce the amount of sag on a truck when…

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Answer 8

Hey Dave, with Timbrens like the part #TFR1504E you want there to be a gap of right at 1 inch between where the spring contacts the bracket so that you get a decent ride quality plus the support you want. If you add a spacer to make it contact sooner…

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Answer 9

Timbrens are unfortunately notoriously harsh and there isn't a way to gain additional clearance like you would need to improve the ride quality so only option would be a different system that is less harsh. A better option would be the RAS kit…

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Answer 10

You will need to set your weight distribution system up again with less spring bar tension once you install the Timbren kit part #TFR1504E on your 2020 Ford F-150 to compensate for the additional suspension support added with the Timbren. I would…

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Answer 11

You'd need a 1 inch spacer with a 3/8 inch diameter bushing part #A25723-90AH00 to use with the part #TFR1504E as you have a 1 inch lift and the kit you have has a 3/8 inch diameter bushing.

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Answer 12

Actually the Timbren Rear Suspension Enhancement System Item #TFR1504E that you referenced is the recommended kit for both the 4x2 and 4x4 versions of your 2018 Ford F-150 FX4. This kit has a spacer that you can remove if you find that the ride is…

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