Question:
I have a 04 Ford F250 4x4 single wheel, will be towing a 33 foot 5th wheel trailer. between the Timbren FR250SDE or Work-rite 8613 which is better rubber or urethane?
asked by: Tom
Expert Reply:
One of my co-workers did a comparison test on similar Timbren and Firestone Work-Rite springs on his Dodge Ram. He found that all-around, the Timbren preformed better but that when the truck was not heavily loaded, the Firestone system provided a better ride.
So, if you only pull your fifth wheel occasionally, the Firestone # F8613 would probably be a better choice for you. If you will be towing frequently, or will have the bed of the truck heavily loaded on a frequent basis the Timbren # TFR250SDE would work better.
Keep in mind that using a suspension enhancement system will not increase the weight bearing capacity of your truck.
expert reply by: Mike L

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Products Referenced in This Question
Firestone Work-Rite Custom Helper Springs Kit - Rear Axle
Product Summary:
Rear Axle Suspension
Suspension Enhancement Kit
Product Specs:
Jounce-Style Springs
Micro-cellular Urethane
Timbren Rear Suspension Enhancement System
Product Summary:
Rear Axle Suspension
Suspension Enhancement Kit
6000 lbs
Product Specs:
Jounce-Style Springs
Aeon Hollow Rubber
Product Page this Question was Asked From
Firestone Work-Rite Custom Helper Springs Kit - Rear Axle
Product Summary:
Rear Axle Suspension
Suspension Enhancement Kit
Product Specs:
Jounce-Style Springs
Micro-cellular Urethane