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Open Roads Forum  >  Class A Motorhomes  >  Projects & Upgrades

 > Ford F53 Suspension

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10forty2

North Carolina

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Posted: 08/19/19 11:47am Link  |  Quote  |  Print  |  Notify Moderator

I've done similar upgrades to chassis on mine as well, with similar results as listed here. My very first suggestion (outside of proper tire pressure for weight) is to check/change the sway bar bushings. On my rig, they were completely gone. I replaced them with the poly bushings and it made a world of difference in the body roll. Next, I added Firestone Ride Rite air bag helper springs to all 4 corners. Another big help in handling and ride quality! Next, I replaced the worn out leaf springs on all 4 corners and replaced the Bilstein shocks. A slight improvement overall by doing so, but a necessary repair since my springs were so completely worn out that they were in a negative arch and teh shocks were shot. I now run about 60psi in the driver's side air bags, (HEAVY side/slide side) and about 20psi in the passenger side and overall the rig tracks straight with very little steering input. About the only things I haven't done is a steering stabilizer and track bar. Might do that next season.

You may want to consider an alignment as well. I tried to get a truck shop to align mine, but they wouldn't do it citing that the king pins were worn enough to lose the alignment in short order. They said there was no safety concern, but they couldn't guarantee the alignment without replacing the king pins, and didn't want to take a chance at it reflecting on the quality of their work.....which I can totally understand. Plus, I didn't want to spend the money and have it go back out after a few hundred miles. I compensate for the king pins being slightly worn by keeping the front end packed with grease frequently. That's also another good thing to increase handling/decrease wandering.


1999 Holiday Rambler Endeavor, 36' Gasser
Triton V10, Ford F53 Chassis
-----------------------------------------


Cider

Central Oregon

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Posted: 08/19/19 04:05pm Link  |  Quote  |  Print  |  Notify Moderator

bsheet2 wrote:

Cider wrote:

Sumo springs do help and are an easy install. Koni FSD shocks really help too. We just did a full bore upgrade to our F53: 1 3/4" Roadmaster replacing factory front anti sway bar, added two additional forward facing rear anti sway bars for a total of 3 on rear, rear trac bar to prevent tail wag, Saf-T-Plus steering stabilizer, and quad Koni FSD shocks all around. Also had a 4 corner weight done which stated adjusting tire pressure down to 88 psi and a laser alignment. I could not believe the difference in handling and ride comfort the changes made. No longer whipped after 4 hours of driving and fighting the coach! If you were to take a piecemeal approach - do the shocks, front sway bar and possibly the rear trac bar, then as time and money allows, follow up with the rest, or, just a piece at a time. We decided to just bite the bullet and do it all at once rather than making 3 or 4 trips back and forth over time to get the upgrades.


So did you put the Sumo Springs on also?? Or just the items you listed.


Mine came with Sumo Springs. It was like driving a bread truck! I have a 35' Tiffin Open road on the 24K F53 chassis.

Cider

Central Oregon

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Posted: 08/19/19 04:09pm Link  |  Quote  |  Print  |  Notify Moderator

Ray,IN wrote:

You can throw all the money you have towards obtaining a smooth ride to mimic air springs. IMO the only remedy that is practical is the https://liquidspring.com/


Yep - for $15K, after market, you can get the Liquid Springs. As an upgrade at the Tiffin Factory, it is a $13.5K option. All reports is this is a real good ride, but you are now in the vicinity of of new, or 1 year old diesel pushers when it was all said and done.

Smiley123?

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Posted: 09/09/19 01:14pm Link  |  Quote  |  Print  |  Notify Moderator

Sorry guys been busy and didn't get back on here. Thanks for all the great info. I had already put Hellwig sway bars front and rear and a Safety Plus steering Shock. I learned thru you people to check and set the tire pressure. The new tire shop had set them at max 100 lbs plus. After lowering them to 85 it is late better.
I am trying to get a little of the road Jarring smoothed out. every time we go over a small (or large) crack in the road my teeth smash together. I just replaced all 4 shocks and you are right two were leaking and not working. Thanks for all the help.

DFord

Near St Louis, MO

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Posted: 09/09/19 02:31pm Link  |  Quote  |  Print  |  Notify Moderator

Koni FSD all around to remove the bone jarring ride.
IMO money spent on the Hellwig sway bars was a waste - see CHF.
To each his own and its your money to do as you please.
Happy trails.


Don Ford
2004 Safari Trek 31SBD (F53/V10 20,500GVW)
'09 HHR 2LT or '97 Aerostar MiniVan (Remco driveshaft disconnect) for Towed vehicles
BlueOx Aventa II Towbar - ReadyBrake Inertia Brake System


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