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post #1 of (permalink) Old 12-27-2005, 01:11 PM Thread Starter
 
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Stock YJ leaf packs

I've got a set of packs here just trying to figure out what they came from so I can adjust them to the weight of my brothers 4cyl front...

Standard YJ leafs. 6 leafs in each pack. 4 spring clamps on each pack..
They are about 1/4" thick per leaf..

The old ones were 4 leafs in each pack, 3/16" each leaf.. 2 clamps.

This is a daily driver truck with just a 1 or so inch body lift.. so I want to try and keep his ride height and characteristics as stock as possible.
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post #2 of (permalink) Old 12-27-2005, 01:37 PM
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Re: Stock YJ leaf packs

Post the numbers found on the spring packs...
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post #3 of (permalink) Old 12-27-2005, 02:54 PM
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Re: Stock YJ leaf packs

Some data from a post on Pirate, but the data was questioned on the post:

****************

[ QUOTE ]
Heres the low down
'87-'90 YJ:

4 leaves in the front only, 39.75" long, and a rate of 128 pounds/inch stock and 203 pounds/inch optional (6 cyl and/or hard top).

Rear has 5 leaves stock and 6 leaves optional, 46" long, and a rate of 170 pounds/inch stock and 237 pounds optional (6 cyl and/or hard top).

'91-'95 YJ:

4 leaves in the front only, 45" long, and a rate of 113 pounds/inch stock and nothing optional.

Rear has 5 leaves only, 45.6" long, with a rate of 170 pounds/inch, nothing optional (no heavy duty).

[/ QUOTE ]


********************

So, I would say what you have is an optional 6-leaf rear HD YJ spring, going into a 4 cyl YJ front. Probably be really stiff. Personally, I would take a leaf or 2 out, until what you're putting in and what you're taking out feel about the same when you jump on them. [img]/ubbthreads/images/graemlins/smile.gif[/img]

FWIW, here are my 5-leaf YJ rear springs that I put in my YJ when I went SOA. I put a 6th leaf in the rears, which was another main leaf with the eyes cut off. Notice they have 3 clamps, and rounded ends. I have also seen tapered ends on some springs. I seem to remember an article somewhere (maybe in JP?) that talked about the different types of YJ springs - round ends, tapered ends, etc.)



Good luck
Pete
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post #4 of (permalink) Old 12-27-2005, 05:18 PM Thread Starter
 
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Re: Stock YJ leaf packs

Thanks for that information. [img]/ubbthreads/images/graemlins/smile.gif[/img]

Good and complete.. We've take out a single leaf and are going to try to just run it. If it's too stiff we'll pull the front again and dump another leaf.. not too hard..

My brother thinks its a big deal :P but I've done these on the trail before with logs for jacks and rocks for tools. [img]/ubbthreads/images/graemlins/laugh.gif[/img]
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