Verified measurements
Tonight I carefully measured the dimensions and here are the verified figures (I updated my earlier posts):
41.5 inches between spring pads of the F450 S110 rear axle
49 inches between spring pads of the motorhome E350 Dana 70HD rear axle
7.5 inches total difference...
I wish the rear would be that simple, since there are only two tack welds securing the pads to the square axle tube. However when I last looked at the S110 axle, there is a transition next to the pad from square/flat to rounded. I'll check again tonight, maybe 1-1/2 inch next to it is still...
I got the axles off their pallets and initial measurements show that the spring pads for E350-Dana70 vs F450-S110 duffer slightly. The Dana80's are 45 inches apart, while the S110's are 42 inches apart. There's room outboard of the S110 pads to extend them 1-1/2 inch allowing the spring packs...
Very good points, sh. Thank ypu.
I'll get a measurement of the f450 frame , coil-tower to coil-tower.
Van coils are easily available in different heights and spring rates, if I couldnt use the F450 coils.
Keep them ideas and thoughts coming!
Specific parts
A. For coil front:
1. Coil hat - are the coil diameters of f450 vs E350 different?
2. Radius arm mounts
3. Track bar and mount
B. For leaf front:
1. Spring packs, shackles and mounts
C. For the rear
1. Leaf spring mounts for the longer springs
New project, new challenges.
Here it is. A 22-ft Class A motorhome on a 1990 E350 chassis, dually, 158 wheelbase.
I already have a complete set of front (Dana Super 60 widetrac) and rear (Spicer S110) axles from a 2008 F450.. 4.30:1 gears. They're complete - coils springs, radius arms, sway...
I'd add to the above. Double the length of the longitudinal patch covered by the tire on flat ground. If at full normal inflation the length is 4 inches, deflate the tire until the length is 8 inches.
I have aired down to 10 psi at the deepest sands of Baja. Rig is 22ft 11000# RV with 245/70/19.5 dually with front and rear lockers. Just make sure you have a working onboard air compressor.
When I did my G35, I used a Fabtech 4" spindle lift. It's not a bolt on, I had to ream the hole in the spindle to fit/match non-stock tie rod ends a d uppre ball joints. And drilled holes on the upper control arms in order to bolt the upper ball joints. But that was about it. I drove it for...
That's too much and the Bilsteins are not even custom-valved. I paid LESS than that, and even included a Fox steering stabilizer, tax and shipping - all out the door. I didn't haggle on the price. Call John Brindell at Agile and haggle a bit :-) if you'd like, you may save a ton if you're lucky :-)
Christmas came early . . . :-)
I approved and my son paid the invoice this Tuesday and received the package on the following day Wednesday. Talk about Fast Shipping!!! I can't wait to install these Fox shocks tomorrow morning at 5am :-)
John Brindell at Agile setup for my RV V4 valving for...
Yeah, I agree, if you'd be carrying 1500# extra load over the front axle.
And by the way, it's not just the coils that allow the bumpstops to hit the axle, it's also the shocks being too "soft". The solution is to get shocks that are custom-valved for the actual coils. Matched coils and shocks...
Make sure it is really softer . . .
I've tried that set of coils on my 9000# E250 RV. While it raises the front a bit, it's too stiff. The (single) coil load capacity is > 3000#, and for a front end's 1800# per side weight minus half the weight of the axle - it's not the right spring...
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