Ford E350 Suspension Upgrade - RIP

Over several months–and with the help of FOX–we spent many hours testing, measuring, cycling, timing and tuning the suspension to optimize the existing design of these Quigley and QuadVan 4×4 conversions. Our Ford E350 suspension upgrade called the “Ride Improvement Package” AKA “RIP” — custom tuned and valved FOX 2.0 Performance Series IFP Shocks, FOX Performance Series ATS Stabilizer and matched coil springs — once installed, doubles the bump travel, increases the overall travel, increases the spring height and spring rate, eliminates binding of the sway bar, provides rear suspension ride stability and controls body roll and sway.

How To Measure Extended, Collapsed & Travel Lengths

Step 1 (Measurements)
Extended (ext) – secure the frame with jack stands or lift. Remove shocks and springs from vehicle allowing the suspension components to drop down. Once the desired extended length of the suspension travel is set, measure from the center of the top and bottom shock mounting points. This measurement is your extended travel length.

Collapsed (col) – secure the frame with jack stands or lift. Remove shocks and springs from vehicle. Using a jack to compress the suspension
travel to full bottom out including the bump stop. Measure from the center of the top and bottom shock eyelet mounting points. This measurement is your collapsed travel length.

Step 2 (Travel)
Determine your required shock travel by subtracting the collapsed length from the extended length. This measurement is your travel length.

Step 3 (Selecting product)
Use the travel length to begin to narrow down the required shock for the vehicle.
Limit strap length should be changed to achieve the required extended length of the selected shock.
Optional shaft eyelets can be purchased to slightly increase or decrease shocks extended and collapsed lengths.

 

Ford E350, E250 and E150 Universal Applications

Ford E350 Suspension Upgrades

Ford E-350 Suspension Upgrades

After hearing repeated complaints from owners about the harsh ride and handling of their Ford E-series Quigley and QuadVan 4×4 conversions, we tested a few of them and confirmed a serious need for Ford e350 suspension upgrades. Having more than 20 years of experience in off-road racing and suspension tuning, we immediately knew that major improvements could be made with minimal expense and modification.

Both the Quigley and QuadVan 4×4 conversions are very sound designs with proven functionality and reliability, but drive them over speed bumps, pot holes, or off-road, and you may begin to doubt your purchase decision. Here’s the problem: their front suspension suffers from limited bump travel primarily due to the front frame cross member interfering with the front axle differential housing at full bump. In both designs, cross members are modified to provide maximum clearance, but the unintended result of this modification is an underwhelming 1.5 inches (or less) of bump travel before the front suspension “bottoms out.” Any impact is directly transferred to the van and its unfortunate occupants.

These vans are designed and built for off-road performance and handling, but in reality, these vans spend most of their lives on the pavement…and it is on the pavement where their performance suffers most. Complaints primarily relate to on-road handling concerns of excessive body roll, “swim,” and back-and-forth wallow while simply entering driveways or crossing irregular surfaces.

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