Ifs Vs Solid
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Senior User
Joined: Apr 2004
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From: South TX
Ifs Vs Solid
Hey guys, newbie here. Been surfing FTE for several months now, what a GREAT site!
Got my heart and wallet set on getting a E-350 4X4. Done lots of research, and it seems Quigley is by far the most popular. (SFA/Coil springs)There are several others, including an outfit that does an IFS with all Ford OEM parts.
I intend this vehicle to see about 70% highway travel, 10% heavy towing (8K), and 20% heavy 4X4 (mountains and mud). It will not be a DD.
So my question is; Will the IFS give me a much better ride on all those hiway miles and still hold up to serious off-road?
Thanks in advance for your opinions.
PS What Ford 1-ton uses IFS 4X4 for these OEM parts?
Got my heart and wallet set on getting a E-350 4X4. Done lots of research, and it seems Quigley is by far the most popular. (SFA/Coil springs)There are several others, including an outfit that does an IFS with all Ford OEM parts.
I intend this vehicle to see about 70% highway travel, 10% heavy towing (8K), and 20% heavy 4X4 (mountains and mud). It will not be a DD.
So my question is; Will the IFS give me a much better ride on all those hiway miles and still hold up to serious off-road?
Thanks in advance for your opinions.
PS What Ford 1-ton uses IFS 4X4 for these OEM parts?
Posting Guru
Joined: Feb 2004
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From: Chatsworth, CA
IFS will give you a definite smoother ride. But if its a solid axle on coil springs it will give you a better ride than a solid axle on leaves. If it were me I would get a solid axle with the coils over IFS because its more stout being a heavy 1 ton van. These things are awesome, I love the look of a 4x4 van.
Ford 1-ton uses a dana 50 TTB for there IFS setup. Its srong but I would go with a dana 60 on coils with 33"-35" tires.
Ford 1-ton uses a dana 50 TTB for there IFS setup. Its srong but I would go with a dana 60 on coils with 33"-35" tires.
Posting Guru
Joined: Feb 2003
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From: Dallas
Originally Posted by Ultraute
PS What Ford 1-ton uses IFS 4X4 for these OEM parts?
The pre-99 3/4 tons used the TTB setup, however between that and a solid axle I would go solid any day.
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From: South TX
Thanks for the replys guys.
TheQuigley SFA/coil must be #1 for a reason. They use the Dana 60 front axel and Borg Warner or New Venture transfer case, 4 wheel ABS.
Could have guessed that in this forum, the SFA would be favored over the IFS. Still, I'm concerned about ride quality on the hiway, as this will replace an old C3500 CC LB & a Navigator. Not that I ever expect this to ride like the Navigator, But it just wasn't big enough, nor could it haul the loads I need.
Wonder what the folks in van forum would think?
TheQuigley SFA/coil must be #1 for a reason. They use the Dana 60 front axel and Borg Warner or New Venture transfer case, 4 wheel ABS.
Could have guessed that in this forum, the SFA would be favored over the IFS. Still, I'm concerned about ride quality on the hiway, as this will replace an old C3500 CC LB & a Navigator. Not that I ever expect this to ride like the Navigator, But it just wasn't big enough, nor could it haul the loads I need.
Wonder what the folks in van forum would think?
Lead Driver
Joined: May 2000
Posts: 9,236
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From: Senoia, GA
if you have the know-how and tools you can tune a well-built leaf sprung vehicle to ride better than a poorly setup (most standard coil lifts) leaf sprung setup and flex very well and retain your heavy towing capacity for the rear.
-cutts-
-cutts-
Posting Guru
Joined: Feb 2004
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From: Chatsworth, CA
Originally Posted by Ultraute
Thanks for the replys guys.
TheQuigley SFA/coil must be #1 for a reason. They use the Dana 60 front axel and Borg Warner or New Venture transfer case, 4 wheel ABS.
Could have guessed that in this forum, the SFA would be favored over the IFS. Still, I'm concerned about ride quality on the hiway, as this will replace an old C3500 CC LB & a Navigator. Not that I ever expect this to ride like the Navigator, But it just wasn't big enough, nor could it haul the loads I need.
Wonder what the folks in van forum would think?
TheQuigley SFA/coil must be #1 for a reason. They use the Dana 60 front axel and Borg Warner or New Venture transfer case, 4 wheel ABS.
Could have guessed that in this forum, the SFA would be favored over the IFS. Still, I'm concerned about ride quality on the hiway, as this will replace an old C3500 CC LB & a Navigator. Not that I ever expect this to ride like the Navigator, But it just wasn't big enough, nor could it haul the loads I need.
Wonder what the folks in van forum would think?
BTW don't listen to fishy hes just a poor redneck! 
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From: Dallas
Originally Posted by cleatus12r
Actually, from '80 to mid '84, 1 tons did come with the TTB setup. Just som FYI.
Cody
Cody
WHat I said was that no ford 1-ton ever used a TRUE IFS setup. Do you call the TTB a true IFS? I don't...
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From: Reed Point, MT
I beg to differ. Just because a TTB front end doesn't use 'A' arms doesn't mean it's not IFS. The wheels ARE in fact allowed to move independently of eachother. Just like an "IFS" front end, the TTB has a differential (albeit part of the driver's side beam), and no hard link between both front wheels (unless you bring up the sway bar, but "IFS" suspensions have them too).
I'm not trying to be a jerk or know-it-all, but TTB IS IFS. WAY BETTER THAN "A" arms, though.
Cody
I'm not trying to be a jerk or know-it-all, but TTB IS IFS. WAY BETTER THAN "A" arms, though.
Cody
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Joined: Jul 2003
Posts: 2,711
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From: Pittsburgh
Not quite, TTB is a semi-indepenent front suspension, not true IFS. The movement of one axle beam does effect the other. This isn't the case in something like GM's A-arm IFS.
TTB is like this since the drivers side suspension pivots on the passengers side and vice-versa. The upward movement of one axle beam causes a downward movement of teh opposite side of the frame creating a weight transfer to the other axle and camber change at the other tire as the other spring moves.
Justin
TTB is like this since the drivers side suspension pivots on the passengers side and vice-versa. The upward movement of one axle beam causes a downward movement of teh opposite side of the frame creating a weight transfer to the other axle and camber change at the other tire as the other spring moves.
Justin
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