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Okay, so each winter I typically get bothered by the frame resonance. I have had a 99 CCLB and now a 2016 CCLB. Looking through post seems the 2017 with boxed frame still have some resonance as well resulting in the undesired bounce. So the question, is the frame different enough with a CC chassis configuration that the resonance is gone, or do they bounce just as much? Out on pavement it is a caddy, expansion joints on concrete at 70 really REALLY suck.
The Chassis/Cab has a different and narrower frame than the pickup. Have not seen any comments on any of the forums about a CC having the bounce problems. This doesn't mean that they don't have it, just haven't see any reports. Also, most CC are used in commercial activities with more rear weight than the typical pickup owner hauls on a daily basis. Additional weight in the pickup bed seems to reduce/eliminate the bounce for many.
when I have either the boat or trailer in tow I don't have the same severity, in summer time I don't notice it much either, just seem winter with expanded joints kick this thing off. My thought is if the frame was enough different, one could add a flat bed, which I like anyway, re-do the spring pack out back for either or simply different rate springs and have best of both worlds. Good point on a majority of the chassis cabs are likely to be loaded or so stiff not many are going to take time to notice the ride.
It’s getting cooler and the roads once again remind me of the one thing I don’t like about my truck. Too bad there isn’t an after market frame fix kit that truly addresses this.
My 18 f550 has a c channel frame still..it is a cc with 11'2" service body. Think the wheel base is 294" or so, extremely long. It does not bounce like my 16 350 cclb drw..... Solastic springs were supposed to help a lot with the bounce
My 18 f550 has a c channel frame still..it is a cc with 11'2" service body. Think the wheel base is 294" or so, extremely long. It does not bounce like my 16 350 cclb drw..... Solastic springs were supposed to help a lot with the bounce
A 2018 Crew Cab F-550 with an 11' to 12' service body will have a CA of 84" and a wheel base of 204", not 294".
Without a body, this chassis cab will rattle one's teeth out.
Ford specifies a MINIMUM Second Unit Body (SUB) weight of 597 lbs... but with roughly 10,000 lbs of NCC... a typical SUB weight of 3K lbs for that length of service body in steel with racks and boxes would still leave 7K lbs for cargo or more tools.
To meet the minimum SUB weight, I stacked 600 lbs of sand on a 2019 Crew Cab F-550 with a 201" wheelbase before driving it several hundred miles to have a custom designed 12' service body mounted.
A 2018 Crew Cab F-550 with an 11' to 12' service body will have a CA of 84" and a wheel base of 204", not 294".
Without a body, this chassis cab will rattle one's teeth out.
Ford specifies a MINIMUM Second Unit Body (SUB) weight of 597 lbs... but with roughly 10,000 lbs of NCC... a typical SUB weight of 3K lbs for that length of service body in steel with racks and boxes would still leave 7K lbs for cargo or more tools.
To meet the minimum SUB weight, I stacked 600 lbs of sand on a 2019 Crew Cab F-550 with a 201" wheelbase before driving it several hundred miles to have a custom designed 12' service body mounted.
Your right. I never measured it I looked at build sheets and assumed I had the longest wheelbase.. I did measure the truck today it's close to 294" bumper to bumper
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