• Welcome Visitor! Please take a few seconds and Register for our forum. Even if you don't want to post, you can still 'Like' and react to posts.

do i need extended radius arms now?


240cubes

New Member
Joined
Sep 13, 2008
Messages
304
Reaction score
0
Points
0
Vehicle Year
'00 '96 '89 '88
Make / Model
Ford
Engine Size
4.0 5.7 2.9
Transmission
Manual
right now my '88 b2 has a ghetto 2 inch lift (shackles and spacers) with a good deal of fender trimming and im running 33's on a 15x10 with a 4inch b.s.

do i need extended radius arms now? i know it'll help ALOT but when the funds allow im gonna do a 4 inch lift. are there any companies that make arms that i can use with the 2 and 4 inch lifts?

thanks
 


Ranger44

New Member
Ford Technician
Joined
Aug 13, 2007
Messages
3,127
Reaction score
23
Points
0
Location
Illinois
Vehicle Year
1995
Make / Model
FORD
Engine Size
4.0 OHV
Transmission
Automatic
You'll be fine without now. You travel will be limited.

Extended RA's are kind of useless below 2.5" of lift.

As for stand alone extended RA kits go, James Duff, and skyjacker both sell them.
 

Capt Jay

New Member
V8 Engine Swap
Solid Axle Swap
Joined
Aug 10, 2007
Messages
1,741
Reaction score
25
Points
0
Location
Minnesota
Vehicle Year
'93 body.
Make / Model
Ford(ish)
Engine Size
302
Transmission
Automatic
Skyjacker is good stuff. Duff is not. That said, you don't need them with 2 inches of lift.
 

mjonesjr

I dance with the Devil...
Firefighter
Forum Staff - Retired
Joined
Feb 6, 2004
Messages
4,967
Reaction score
13
Points
0
Age
39
Location
Salem, IN
Transmission
Automatic
You think Duff lift parts are not good? What planet did you fall off of?
 

Ranger44

New Member
Ford Technician
Joined
Aug 13, 2007
Messages
3,127
Reaction score
23
Points
0
Location
Illinois
Vehicle Year
1995
Make / Model
FORD
Engine Size
4.0 OHV
Transmission
Automatic
ahhh....duff is still a good brand...

I'd consider them greatly ahead of superlift, and tuff country, etc.
 

Capt Jay

New Member
V8 Engine Swap
Solid Axle Swap
Joined
Aug 10, 2007
Messages
1,741
Reaction score
25
Points
0
Location
Minnesota
Vehicle Year
'93 body.
Make / Model
Ford(ish)
Engine Size
302
Transmission
Automatic
You think Duff lift parts are not good? What planet did you fall off of?
Do you argue with everything everybody says? I haven't liked the duff equiptment that I have had. None of the people I have wheeled with have been happy with their stuff. On the other hand I have been very happy with the skyjacker equiptment. It is of very high quality and I haven't had any problems with any of it that I've used. If you disagree great then say you don't agree other than that no need to be argumentative. RELAX!!!!
 

mjonesjr

I dance with the Devil...
Firefighter
Forum Staff - Retired
Joined
Feb 6, 2004
Messages
4,967
Reaction score
13
Points
0
Age
39
Location
Salem, IN
Transmission
Automatic
you seem to be the ONLY person who says Duff parts are no good.

Duff parts are inferior to other brands that have a bolt on kit. The I only part I have ever seen broken were to new style radius arms; even the skyjacker arms have failed recently.
 

Hahnsb2

New Member
TRS Banner 2010-2011
Joined
Aug 8, 2007
Messages
4,416
Reaction score
36
Points
0
Age
35
Location
Battle Ground WA
Vehicle Year
88-95
Make / Model
Ford-Dodge
Engine Size
4.0-5.2 Turbo
Transmission
Manual
I've seen 3 duff arms fail and on SJ arm fail and the SJ arm failure was caused by something else, not to mention I see a lot more SJ arms out there. The Duff brackets are very good however. Personally I'm stocking up on lift parts right now, I've got 3" duff brackets/springs and homemade boxed extended arms.
 

Capt Jay

New Member
V8 Engine Swap
Solid Axle Swap
Joined
Aug 10, 2007
Messages
1,741
Reaction score
25
Points
0
Location
Minnesota
Vehicle Year
'93 body.
Make / Model
Ford(ish)
Engine Size
302
Transmission
Automatic
you seem to be the ONLY person who says Duff parts are no good.

Duff parts are inferior to other brands that have a bolt on kit. The I only part I have ever seen broken were to new style radius arms; even the skyjacker arms have failed recently.
If you like duff stuff, buy it.

He's looking at radius arms. You agree that they are inferior, where's the argument.

Didn't you then go on to say it's inferior? I'm not really sure what you were saying.

Just my OPINION (though backed by experience).

The end all is he doesn't need them with his lift.
 

240cubes

New Member
Joined
Sep 13, 2008
Messages
304
Reaction score
0
Points
0
Vehicle Year
'00 '96 '89 '88
Make / Model
Ford
Engine Size
4.0 5.7 2.9
Transmission
Manual
ok guys thanks for the input i really appreciate it. i do however have to say that when i do get the arms i will most likely go with the sj arms simply due to the fact that in past vehicles i have almost always used sj and i havent been dissapointed yet, although i would like to give duff a try sometime b/c i have heard plenty of good things about their products
 

Will

Forum Staff Member
TRS Forum Moderator
Joined
Nov 30, 2001
Messages
6,924
Reaction score
514
Points
113
Location
Gnaw Bone, Indiana
Vehicle Year
2007
Make / Model
Toyota
Engine Size
4.0
Transmission
Manual
The radius arms improve handling more than anything. The closer you can get to getting the wheel to travel exactly vertically when the suspension moves, the better it will handle. The TTB/TIB suspension travels in two combined arcs--the axle beam screwing up the camber arc and the radius arm screwing up the caster arc. Increasing the radius of both of those reduces the caster and camber changes during suspension movement. This is what makes an SLA much better--the alignment stays much more accurate during movement.

Second to that, the bushings in the axle pivot are twisted when the radius arm pulls the beam back so the radius arm helps smooth that out and the radius arm bushing also allows the beam to drop farther with the longer arc. A different joint other than a bushing would allow long travel too, but the angles are ugly.

I have an old type Duff setup. I broke one of the arms. They look much stronger than the Skyjacker arm up at the ears, but they are maybe too heavy up there and not designed well at the point they transition to the tubes, making a hard spot. It comes down to shit happens.


Weld it up stronger and keep going.


The Duff drop brackets are excellent, but only come in 3".

 

Attachments

Last edited:

mjonesjr

I dance with the Devil...
Firefighter
Forum Staff - Retired
Joined
Feb 6, 2004
Messages
4,967
Reaction score
13
Points
0
Age
39
Location
Salem, IN
Transmission
Automatic
The Duff drop brackets are excellent, but only come in 3".
Not now they don't. You can get 3" or 6" brackets; and you can run up to 2" more lift with the 3" brackets and still get aligned.
 

Will

Forum Staff Member
TRS Forum Moderator
Joined
Nov 30, 2001
Messages
6,924
Reaction score
514
Points
113
Location
Gnaw Bone, Indiana
Vehicle Year
2007
Make / Model
Toyota
Engine Size
4.0
Transmission
Manual
I did not know JD was make 6" stuff. I can't vouch for it though because I haven't seen or tried it out.

I don't recommend lifting higher than your brackets if you are using the factory steering. If you keep your beams straight across you have a lot more neutral area before the self-steering effect kicks in.

This is how the ride height is measured. If you have 3" lift brackets you should shim your coils to acheive 3" more than this measurement, for example. Until you have experience with it, I wouldn't color too far out of the lines. Top is D35 and bottom is D28.



 

Attachments

mjonesjr

I dance with the Devil...
Firefighter
Forum Staff - Retired
Joined
Feb 6, 2004
Messages
4,967
Reaction score
13
Points
0
Age
39
Location
Salem, IN
Transmission
Automatic
I did not know JD was make 6" stuff. I can't vouch for it though because I haven't seen or tried it out.
I have not personally tried their 6" kit, but I have a friend who has it installed on his '96 Ranger. It looks as strong as the 3" brackets. He beats the crap out of it and hasn't had a problem.
 

derekj

New Member
Joined
Aug 8, 2007
Messages
244
Reaction score
1
Points
0
Location
Squamish, BC
Vehicle Year
1992
Make / Model
Ranger 4wd
Transmission
Manual
Do the extended radius arms give more wheel travel as well?

Derek
 

Sponsored Ad


Sponsored Ad

Staff online

Member & Vendor Upgrades

For a small yearly donation, you can support this forum and receive a 'Supporting Member' banner, or become a 'Supporting Vendor' and promote your products here. Click the banner to find out how.

Latest posts

Truck of The Month


Shran
April Truck of The Month

Recently Featured

Want to see your truck here? Share your photos and details in the forum.

Follow TRS On Instagram

TRS Events

25th Anniversary Sponsors

Check Out The TRS Store


Sponsored Ad


Sponsored Ad

Sponsored Ad


Amazon Deals

Top