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Old 01-11-2013, 12:28 PM   #1
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Ford Chassis Questions

Just FYI - I talked to an Engineer from the Ford Motorhome Division this morning about the F53 chassis. Here's some of the things he told me:
1. The suspension mod of moving the attachment points on the front and rear sway bars is recommended by Ford, but it will offer a more firm ride while adding some increased stability. The sway bars are designed to handle either hole location. Ford installs on the outer holes purely for ride comfort. Modifying to the inner holes will not impact the chassis warranty.
2. Ford Motorhome division phone # is: 800-444-3311
3. Ford recommends to all MH manufacturers to have 40% (front) and 60% (rear) on the UVW ratio. He told me that many consumers are getting their coaches weighed to find that the front axle is only getting 30% or less of the total UVW. To correct this some manufacturers are offering to install air bag helpers to level out the load. He suggest that if the MH manufacturers aren't going to do it, than the owners should if the ratio is not close. 40% on the front axle will help with tracking and stability.

Hope some may find this info useful.
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Old 01-11-2013, 12:40 PM   #2
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Originally Posted by MGOBlue View Post
Just FYI - I talked to an Engineer from the Ford Motorhome Division this morning about the F53 chassis. Here's some of the things he told me:
1. The suspension mod of moving the attachment points on the front and rear sway bars is recommended by Ford, but it will offer a more firm ride while adding some increased stability. The sway bars are designed to handle either hole location. Ford installs on the outer holes purely for ride comfort. Modifying to the inner holes will not impact the chassis warranty.
2. Ford Motorhome division phone # is: 800-444-3311
3. Ford recommends to all MH manufacturers to have 40% (front) and 60% (rear) on the UVW ratio. He told me that many consumers are getting their coaches weighed to find that the front axle is only getting 30% or less of the total UVW. To correct this some manufacturers are offering to install air bag helpers to level out the load. He suggest that if the MH manufacturers aren't going to do it, than the owners should if the ratio is not close. 40% on the front axle will help with tracking and stability.

Hope some may find this info useful.
Thanks for sharing the info. I haven't done the suspension modification but have added air springs all around. So far I've found it really helps with the rocking from passing trucks. I always have more pressure in the rear air springs than the front by about 15lbs.
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Old 01-11-2013, 04:19 PM   #3
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Great information MGOBlue especially that you spoke with a FORD REP.
I think many of us need to get our motorhomes weighed.
I have done the swaybar mod and running 100 psi in all my tires.

I would like to hear about weight distribution on other who have their motorhomes weighed at a scale.
I think it is worth the few bucks or whatever it costs.
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Old 01-11-2013, 04:41 PM   #4
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I also talked to the National Rep at Cat Scale. For a MH, they charge $10 to give you weight by axle. It would be $10 for just MH or MH and toad. They have a website to location a scale (CAT Scale). They are mostly at truck stops. I'm getting mine weighed as soon as the spring hits.
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Old 01-11-2013, 07:47 PM   #5
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I also talked to the National Rep at Cat Scale. For a MH, they charge $10 to give you weight by axle. It would be $10 for just MH or MH and toad. They have a website to location a scale (CAT Scale). They are mostly at truck stops. I'm getting mine weighed as soon as the spring hits.
excellent tip!
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Old 01-15-2013, 02:00 PM   #6
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Only one question, reading the conversation, is it listed correctly or did Ford not recommend the relocation of the sway bar? Just something in the wording indicates maybe the word, not, is omitted. Just asking.
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Old 01-15-2013, 03:17 PM   #7
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Only one question, reading the conversation, is it listed correctly or did Ford not recommend the relocation of the sway bar? Just something in the wording indicates maybe the word, not, is omitted. Just asking.

The suspension mod of moving the attachment points on the front and rear sway bars is recommended by Ford, but it will offer a more firm ride while adding some increased stability.
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Old 01-15-2013, 08:18 PM   #8
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I know that the iRV forum thread states that Ford DOES NOT recommend it. That's why I talked to Ford Motorhome group directly and they DO recommend it now.
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Old 01-15-2013, 08:56 PM   #9
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I know that the iRV forum thread states that Ford DOES NOT recommend it. That's why I talked to Ford Motorhome group directly and they DO recommend it now.
QUOTE

I talked to an Engineer from the Ford Motorhome Division this morning about the F53 chassis. Here's some of the things he told me:
1. The suspension mod of moving the attachment points on the front and rear sway bars is recommended by Ford, but it will offer a more firm ride while adding some increased stability. The sway bars are designed to handle either hole location. Ford installs on the outer holes purely for ride comfort. Modifying to the inner holes will not impact the chassis warranty.
2. Ford Motorhome division phone # is: 800-444-3311

Call
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Old 01-15-2013, 11:26 PM   #10
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What is the torque of the attached bolt? Thanks
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