1st pull w/ new F350
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โMay-30-2018 07:55 AM
2018 Big Country 3560 SS
"The best part of RVing and Snowmobiling is spending time with family and friends"
"Catin' in the Winter"
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โJun-01-2018 08:32 AM
The overload springs are just barely engaged, so when the truck goes over a bump, it unloads them and comes back down on the springs, SLAP! It is very jarring.
If you're running airbags I would recommend trying less pressure in them. This will allow the overload springs to engage more, so hopefully they won't unload when you go over a sharp rise or hit a bump at speed.
Putting 10-ply tires on half ton trucks since aught-four.
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โJun-01-2018 07:53 AM
ACZL wrote:shepstone wrote:
Congrats on the new truck! That 6.7 a heck of an engine, wait till you see how it flattens any mountain you point it at, had ours for about nine months now and itโs never been back to the dealer or had a recall, only problem has been a flat tire.
Thanks. This is my 2nd 6.7 in just over 3 years. Weight of new 5er on SRW's tires and going to FL in height of summer heat precipitated the need to go w/a dually. Was very impressed w/ my '15 and 3.55 gears towing the BC and new truck has 4.10's so she should be even better on the hills.
Our '12 6.7PSD will be making a pull from Texas to Florida this summer. About the biggest hill on this route is the Mississippi river bridge.
The last time we drove this route it was unbelievable the amount of travel trailers with blow outs on the side of the road and was always during the afternoon heat.
'16 Sprinter 319MKS "Wide Body"
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โJun-01-2018 07:08 AM
shepstone wrote:
Congrats on the new truck! That 6.7 a heck of an engine, wait till you see how it flattens any mountain you point it at, had ours for about nine months now and itโs never been back to the dealer or had a recall, only problem has been a flat tire.
Thanks. This is my 2nd 6.7 in just over 3 years. Weight of new 5er on SRW's tires and going to FL in height of summer heat precipitated the need to go w/a dually. Was very impressed w/ my '15 and 3.55 gears towing the BC and new truck has 4.10's so she should be even better on the hills.
2018 Big Country 3560 SS
"The best part of RVing and Snowmobiling is spending time with family and friends"
"Catin' in the Winter"
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โMay-31-2018 02:36 PM
2010 GMC Savanna 3500 extended 6.0
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โMay-30-2018 12:21 PM
ACZL wrote:
Cummins,
Running 65 psi as this was my very first pull w/ truck/RV.
Not sure if air bags are really needed just yet as truck comes down on rear of aux spring. It's the "rebound" if you will where susp is forcing itself back onto the "smooth" blacktop ASAP which I feel the abrupt "bang".
Scott,
TY.
Look up your tires weight/inflation chart. Add 5 psi to your Actual rear tires weight. You mY be running more air pressure than needed.
37,800# GCVWR "Towing Beast"
"HeavyWeight" B&W RVK3600
2016 MobileSuites 39TKSB3 highly "Elited" In the stable
2007.5 Mobile Suites 36 SB3 29,000# Combined SOLD
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โMay-30-2018 10:34 AM
Running 65 psi as this was my very first pull w/ truck/RV.
Not sure if air bags are really needed just yet as truck comes down on rear of aux spring. It's the "rebound" if you will where susp is forcing itself back onto the "smooth" blacktop ASAP which I feel the abrupt "bang".
Scott,
TY.
2018 Big Country 3560 SS
"The best part of RVing and Snowmobiling is spending time with family and friends"
"Catin' in the Winter"
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โMay-30-2018 09:28 AM
The 3500 would float over bumps similar to the ride in a Cadillac. There were times when I could feel the suspension hit the overload springs on larger bumps. When that happened there was a noticeable bump but it wasn't jarring. The overall ride was very smooth.
The 4500 with the air suspension is also smooth over bumps of any size. Over larger bumps the air system senses and adjusts the pressure automatically to overcome the bump.
Air bags may help your situation.
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โMay-30-2018 09:14 AM
2017 Ford F350 DRW King Ranch
2021 Ford F350 SRW Lariat Tremor
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โMay-30-2018 09:00 AM
37,800# GCVWR "Towing Beast"
"HeavyWeight" B&W RVK3600
2016 MobileSuites 39TKSB3 highly "Elited" In the stable
2007.5 Mobile Suites 36 SB3 29,000# Combined SOLD
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โMay-30-2018 08:41 AM
Never pulled with a dually but I can only imagine how much more stable it would be.
Congrats!