Towing with Ford Expedition
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Jul-12-2013 07:23 AM
Now to my question. This was my first time pulling a TT with this truck and it seemed like if the road got a little bumpy the back end wanted to roll side to side. I am wondering if this is because of the Independant rear suspension?
All of my experience with towing has been with straight axle trucks. The roll didn't scare me or make me feel out of control, just different.
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Jul-19-2013 04:58 PM
JJensen79 wrote:glad you got it fixed up.
After the new shakedown run all problems are gone.
2018 F-250 Lariat Crew 6.2 Gas 4x4 FX4 4.30 Gear
2007 Infiniti G35 Sport 6 speed daily driver
Retired 2002 Ford Explorer 4.6 V8 4x4
Sold 2007 Crossroads Sunset Trail ST19CK
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Jul-18-2013 10:11 AM
ReferDog wrote:
Tires
If you are asking if I changed the tires the answer is no. I had to readjust the equalizer hitch to solve the problem.
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Jul-17-2013 09:54 AM
Artic Fox 30U
Equlizer Hitch
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Jul-16-2013 03:05 PM
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Jul-16-2013 03:03 PM
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Jul-12-2013 06:11 PM
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Jul-12-2013 05:44 PM
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Jul-12-2013 03:46 PM
Wonderful Wife
Australian Shepherd
2010 Ford Expedition TV
2010 Outback 230RS Toybox, 5390# UVW, 6800# Loaded
Not yet camped in Hawaii, 2 Canada Provinces, & 2 Territories
I can't be lost because I don't care where this lovely road is going
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Jul-12-2013 02:18 PM
I have a 'half ton' C10 Silverado (1980) with after market alloys (8" rims) and
LT tires (33/12.5R15LT load range 'C').
It yaws when towing heavy and the main reason has to do with the tire/wheel
setup
Sidewall bend-back is the main issue. I know it. Live with it. Not worth going
out and buying new wheels for a 33 year old beater truck (that used to be a high
end option package...Silverado...and the HD version of it's time)
It has 1 ton helper coil springs on the rear axle. When a pallet of wood pellets
(about 2200 lbs), some busted bags they toss in for free total around 2,800 +/-
the rear only drops about 2 inches or less
It yaws hauling that load without anything being towed.
Load range C (6 ply rating) is down in the load range of a 'P' class tire.
Married with too much sidewall bend-back...it has the tire roll over, even when
going straight when something pushes the side of the truck...like the bow wave
from a big vehicle either coming or passing.
Helps if those tires are aired up to the mas listed on the sidewall...35PSI
which is 'P' class territory
This is only part of the whole system that manages yaw and trailer sway.
Why my Suburban has 10 inch wide alloys with LT265/75R16E's. 265 / 25.4mm = 10.4
inch wide tires on a 10 inch wide rim. So little to almost no side-wall bend-back
That means that setup has almost no side to side give from the tire/wheel combo
It also means the slip angle is much, much less than if that tire were mounted
on it's recommended rim width (IIRC 8-9 inch). The sidewall does NOT have much
give or any give at all
Easy to check, even at a dealers showroom...
Push the rear bumper sideways. Time it to that vehicles natural harmonics and
you can get one to actually jump off of the tire pads to tile that many have
Have had that discussion with a salesman who was trying to convince my friend
that there is no difference between 'P' class and 'LT' class after I told my
friend in front of him.
What I didn't mention was that the 'half ton' suspension also contributes, but
he made me mad, so a gosh darn....I forgot that...
It was a full sized 'half ton' SUV
Think that is sensation you (OP) have described...that yawing of the TV
1996 GMC SLT Suburban 3/4 ton K3500/7.4L/4:1/+150Kmiles orig owner...
1980 Chevy Silverado C10/long bed/"BUILT" 5.7L/3:73/1 ton helper springs/+329Kmiles, bought it from dad...
1998 Mazda B2500 (1/2 ton) pickup, 2nd owner...
Praise Dyno Brake equiped and all have "nose bleed" braking!
Previous trucks/offroaders: 40's Jeep restored in mid 60's / 69 DuneBuggy (approx +1K lb: VW pan/200hpCorvair: eng, cam, dual carb'w velocity stacks'n 18" runners, 4spd transaxle) made myself from ground up / 1970 Toyota FJ40 / 1973 K5 Blazer (2dr Tahoe, 1 ton axles front/rear, +255K miles when sold it)...
Sold the boat (looking for another): Trophy with twin 150's...
51 cylinders in household, what's yours?...
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Jul-12-2013 12:23 PM
BenK wrote:
More items of information needed to help us assist you
How many miles
Lifted and/or over sized tires
Yes, 'P' rated tires and their ride quality that then makes the sidewalls
What is the tongue weight?
Has the OEM shocks been changed yet? What to?
Truck has 48000 on it, no lift, standard sized tires, no shock change. I'll have to get the tongue weight later as I am still at work.
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Jul-12-2013 12:21 PM
The truck pulls the trailer great other than the rolling effect and it isn't bad just an observation.
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Jul-12-2013 12:07 PM
How many miles
Lifted and/or over sized tires
Yes, 'P' rated tires and their ride quality that then makes the sidewalls
What is the tongue weight?
Has the OEM shocks been changed yet? What to?
1996 GMC SLT Suburban 3/4 ton K3500/7.4L/4:1/+150Kmiles orig owner...
1980 Chevy Silverado C10/long bed/"BUILT" 5.7L/3:73/1 ton helper springs/+329Kmiles, bought it from dad...
1998 Mazda B2500 (1/2 ton) pickup, 2nd owner...
Praise Dyno Brake equiped and all have "nose bleed" braking!
Previous trucks/offroaders: 40's Jeep restored in mid 60's / 69 DuneBuggy (approx +1K lb: VW pan/200hpCorvair: eng, cam, dual carb'w velocity stacks'n 18" runners, 4spd transaxle) made myself from ground up / 1970 Toyota FJ40 / 1973 K5 Blazer (2dr Tahoe, 1 ton axles front/rear, +255K miles when sold it)...
Sold the boat (looking for another): Trophy with twin 150's...
51 cylinders in household, what's yours?...
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Jul-12-2013 11:51 AM
Hensley or Pro Pride connection systems.
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Jul-12-2013 10:56 AM
09 SuperDuty Crew Cab 6.8L/4.10(The Black Pearl)
06 Keystone Hornet 29 RLS/(The Cracker Cabana)