Front Spring Swap Rv to E350
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Joined: Jul 2004
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Front Spring Swap Rv to E350
I'm wondering if the front coil springs from say a E350-E450 Motorhome or box van are compatable with a E350 15 pass Van? And if they have a higher spring rate and height.
I would like to address the nose dive I get when braking down sharp mountain roads and I would also like to accompolish a more stout front suspension and add 1-2 inches of ride height that is needed for off road travel.
I thought about front air bags in the springs but I would like to accompolish this with a more maintenance free approach.
I would like to address the nose dive I get when braking down sharp mountain roads and I would also like to accompolish a more stout front suspension and add 1-2 inches of ride height that is needed for off road travel.
I thought about front air bags in the springs but I would like to accompolish this with a more maintenance free approach.
Lead Driver
Joined: May 2004
Posts: 5,018
Likes: 132
From: Maryville
I went with the air bags for inside the coils, but I was looking to over come the effects of leaning when Exiting the side on my wheelchair platform, and eleminate the premature failure of the coil on that side. The bags were rather easy to install, can be on a T together, with only one valve to refill, or seperate, for my purpose, they're seperate. I remember seeing a heavier load set of coils in a JCWhitney add, I believe the motor home is the same platform as the one ton vans.
Postmaster
Joined: Feb 2004
Posts: 3,266
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From: Levittown
RV and Van have same spring. The biggest coil is if i remember 44 hundred lb.
What you need depends on motor package. I have 44 hundred lb with air bag at 15lbs with the 7.3 diesel. If you go with bigger spring to lift van remember that the wheel alignment starts with ride height. Go to high and you might have to start bending I-beams to get it to align.
What you need depends on motor package. I have 44 hundred lb with air bag at 15lbs with the 7.3 diesel. If you go with bigger spring to lift van remember that the wheel alignment starts with ride height. Go to high and you might have to start bending I-beams to get it to align.
Lead Driver
Joined: May 2004
Posts: 5,018
Likes: 132
From: Maryville
The 90's van's have camber bushings, they are adjustible to a point, but depends on the factory insert, if factory is zero or negative, you can go up, but if it's already a positive, chances are it's maxed out already, requiring the beams to be modified. I installed air bags in my coils, aired to where I wanted them, but didn't wait long enough for them to settle before getting the camber adjusted. I plan to buy a camber gauge to put on my front wheels so I can adjust the air pressure till I get it set where it should be, don't want to go back in for another $80 adjustment. This is the bad on the air bags inside the coils, they alter camber when they lift the van.
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