Quote:
Originally Posted by Tfryman
I saw Joe's thread about SumoSprings and looked into them for our coach. The SS site also showed a SuperSpring option that increased rear load capacity by 4600# and decreased body roll by 30%. They also look to be very easy to install. Anybody have experience with these on a F53 chassis?
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Marketing claims aside, be careful to place information in proper context.
While combined springs may have greater load capacity, the rear axle and tires will remain the same, and will likely still limit the safe load capacity. Ford selects springs based on GVWR (and axle capacity) so gaining 4600 pounds should be looked at in more detail.
On the other hand, claim of decreased body roll seems reasonable as would be the case with just about any stiffer spring.
Suspension tuning (for any vehicle) is not black and white issue like some try to make it. Improving one area will likely make another worse, so overall what works for one person won't be the right answer for another -- depending on what they are trying to correct.
For example, on smooth roads stiffer springs will reduce body roll and should therefore help with windy conditions, but at same time stiffer springs can make ride harsh or bouncy on rough roads.
There are a few design traits that are a win-win, but they have to be built into the motorhome from the onset.