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Unread 05-20-2013, 09:17 PM   #1
Rabbitsh
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1995 YJ Wrangler 
 
Join Date: Dec 2011
Location: Tampico, Tamaulipas, Mexico
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1/4 elliptical! pros vs contras???

I got impressed about the 1/4 elliptical and i want to make it in my Yj.
i want to know what is the disvantage to have that system in my daily use vehicle, also i take it out to highway sometimes ( around 55mph max).
Every answer will be thanked

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Unread 05-21-2013, 12:35 AM   #2
fratis
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As with everything there are pros and cons.

Pros:
-Its new again. With everyone going coils you dont see them as often.
-They wont fall out like some coils.
-They dont stack like coils.
-You dont have the mounting issues like coilovers have. Anything less then 12"-14" travel unit is a waste. Mounting coilovers that long in the rear, that wont fold when flexed, creates some challenges.
-Definitely cheaper then coilovers.

Cons:
-You are kind of stuck with however your ride is. You can add or subtract leaves but coils are easier to quantify with spring rates.
-You still need to work out link geometry just like any other suspension other then full leaf springs.
-Although easier to fit then coilovers you will still need to mount shocks with sufficient travel. Mounting them / \ can work but can lead to body roll.
-If you find an anti-sway bar is needed then there winds up being a struggle for real-estate under there.
-Routing exhaust can be a pain.
-Will have to rework the front as well.
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Unread 05-21-2013, 07:32 AM   #3
Rabbitsh
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I can still use it as daily use vehicle in city and also take it to highway sometimes? dont lose stability?
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Unread 05-21-2013, 07:40 AM   #4
bgredjeep
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1987 YJ Wrangler 
 
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Location: Augusta, GA
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Contras? Up up down down left right left right B A select start

Now for your question, just to clarify. Are we talking 1/4 eliptical with a 4 link and ~1/2 a leaf spring, or 3/4 eliptical (buggy leaf) on a standard leaf spring suspension?
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Unread 05-21-2013, 07:51 AM   #5
Rabbitsh
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Join Date: Dec 2011
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Posts: 30
If im making it, is a good quarter eliptical, half leaf spring, 4 links with jonnhy joints.
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Unread 05-21-2013, 01:32 PM   #6
bgredjeep
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It's not really any different than building a road worthy 4 link with coils or coilovers. As for cons, packaging would be number 1 for me. If money was an issue w/ coilovers, a pair of junkyard coils would be my choice. Building the mounts to hold the springs to the frame, a mount to attach the spring to the axle. It all seems to just add more complexity to a basic 4-link. I don't know that there are any advantages vs running coil springs, just another way to accomplish the same thing.
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Unread 05-21-2013, 03:01 PM   #7
remmons
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2002 KJ Liberty 
 
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To add to the con's;

-An extended length brake line is required,
-you will need to install travel limiting straps,
-you will need to carry a small length of chain in your rig just incase you have to jack it up to change a tire,
-and they look hella scary when ascending or descending a steep hill.

..and now the rest;

They definitely add to suspension travel, but unless you have a selectable locker this won't do you a bit of good for traction (at full droop),
Carry a spare 1/4 leaf or a spring shackle if you happen to snap one, I've seen trail rigs limped off of a trail with a busted 1/4 leaf due to over extending and not having a way to reinstall the shackle onto the original frame mount.

Just my two-cents worth.
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Unread 05-21-2013, 03:42 PM   #8
CRASHNDENT
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[QUOTE=bgredjeep;15460365]Contras? Up up down down left right left right B A select start

Ahhh the useful info we never forget!!
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Unread 05-22-2013, 07:24 AM   #9
Doch80
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Quote:
Originally Posted by bgredjeep View Post
Contras? Up up down down left right left right B A select start
The funny thing is... Every boy/man now knows that cheat from coast to coast ... And that was before the internet!
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