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Old 12-20-2013, 12:41 PM   #1
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Swap to long arm from leaf?

An upcoming project is to do spring over axle and try to get some smoother springs. Trying to keep up with all of the coil over jeeps on the trails can be a pain in the you-know-what since small bumps feel like they are going to rattle my YJ to pieces.

That being said, im starting to think about doing a suspension swap to this if i can get the kit to fit my Dynatrac D60 and if i can do the same on the front. would be about 18" of added wheel base which i would love to have and the ride with the air shocks would be much smoother:

Rock Krawler Part rksyj93005 - YJ Stretch Upgrade

2.5 Air Shock Air Shock | FOX Offroad

Not sure I want to drop 4K in parts but how awesome would it be to have a stretched and height adjustable YJ?

Please no comments on "well why don't you get a TJ or a JK" because I don't want all the technology, i love my square headlights, and I want to make it my own and unique, damnit!

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95' YJ 4-Banger, 5" black diamond lift, Bilstein shocks, shackle reversal kit front and revolvers rear, 33 x 12.5 BFG A/Ts, Dynatrac D60 Axles front and rear, ARB air lockers front and rear, custom drive shafts, 3/4 ton break calipers, 10k LB Engo syth winch, 50" LED windshield light bar, black Monstaliner inside, Predator Green Monstaliner outside, marine speaker sound system, marine vinyl dash and seats. Many other little goodies!
Swap to a 4BT diesel in the future? Most likely.
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Old 12-20-2013, 01:02 PM   #2
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you cant really push the front 9ins out..... and you wouldnt want to.
stealth stretch is possible 1-2 in

do the rear you shouldnt have any problem stretching it with a 3 or 4 link kit for any jeep.
youll have to relocate your fuel tank and there are lots of options for a stretch kit including fab your own arms.

you might want to look into the ORIs if you wanta truly amazing setup for about what the shocks springs and bumpstops would run you.

did you do the axle swap yourself?

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Old 12-20-2013, 01:26 PM   #3
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I was wondering if a general long arm kit would work, i would have to figure out the brackets regardless. what is the reasoning for not being able to stretch the front? I am sure i would have to mess with the steering box and pitman arm. 9 inches might be too much but i would love to get the front axle an inch or two behind the front of the frame. I have seen it done and would greatly improve drop-in angle since the majority of the weight of the jeep is in the motor (especially when i finally do the 4BT swap).
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95' YJ 4-Banger, 5" black diamond lift, Bilstein shocks, shackle reversal kit front and revolvers rear, 33 x 12.5 BFG A/Ts, Dynatrac D60 Axles front and rear, ARB air lockers front and rear, custom drive shafts, 3/4 ton break calipers, 10k LB Engo syth winch, 50" LED windshield light bar, black Monstaliner inside, Predator Green Monstaliner outside, marine speaker sound system, marine vinyl dash and seats. Many other little goodies!
Swap to a 4BT diesel in the future? Most likely.
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Old 12-20-2013, 01:28 PM   #4
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oh also, i did not put the Dynatrac D60s under her, i bought her with them from a guy who had no idea what he had. The joke in my off road club is that i bought an axle and a second axle and jeep came with it for free.


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95' YJ 4-Banger, 5" black diamond lift, Bilstein shocks, shackle reversal kit front and revolvers rear, 33 x 12.5 BFG A/Ts, Dynatrac D60 Axles front and rear, ARB air lockers front and rear, custom drive shafts, 3/4 ton break calipers, 10k LB Engo syth winch, 50" LED windshield light bar, black Monstaliner inside, Predator Green Monstaliner outside, marine speaker sound system, marine vinyl dash and seats. Many other little goodies!
Swap to a 4BT diesel in the future? Most likely.
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Old 12-20-2013, 01:31 PM   #5
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go with a bigger tire and a minimal bumper. once you go arms you can chop alot of that front frame off and not have to jack with the front end too much.
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Old 12-20-2013, 01:32 PM   #6
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Quote:
Originally Posted by petercass88 View Post
oh also, i did not put the Dynatrac D60s under her, i bought her with them from a guy who had no idea what he had. The joke in my off road club is that i bought an axle and a second axle and jeep came with it for free.


lucky


but that begs the question of how is your fab skills?
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Old 12-20-2013, 02:11 PM   #7
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I have stretched my wheel base to 102" currently, but before I roll it out of the garage I think I am going a little further. You can stretch as much as your skills and creativity can allow. There will be challenges with the steering for sure, but challenges are what makes it fun. I say go for it. Check out my build for a little inspiration. Mine is all built, no purchased kit of any kind. Should be under $2000 including the Ballistic Fab air shocks.
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Old 12-21-2013, 02:25 AM   #8
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Quote:
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I have stretched my wheel base to 102" currently, but before I roll it out of the garage I think I am going a little further. You can stretch as much as your skills and creativity can allow. There will be challenges with the steering for sure, but challenges are what makes it fun. I say go for it. Check out my build for a little inspiration. Mine is all built, no purchased kit of any kind. Should be under $2000 including the Ballistic Fab air shocks.
You are part of the reason why I am debating trying this! Have been subbed on your thread since the beginning :-)
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95' YJ 4-Banger, 5" black diamond lift, Bilstein shocks, shackle reversal kit front and revolvers rear, 33 x 12.5 BFG A/Ts, Dynatrac D60 Axles front and rear, ARB air lockers front and rear, custom drive shafts, 3/4 ton break calipers, 10k LB Engo syth winch, 50" LED windshield light bar, black Monstaliner inside, Predator Green Monstaliner outside, marine speaker sound system, marine vinyl dash and seats. Many other little goodies!
Swap to a 4BT diesel in the future? Most likely.
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Old 12-21-2013, 02:25 AM   #9
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lucky


but that begs the question of how is your fab skills?
Fab skills are low... but I have friends willing to help!
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95' YJ 4-Banger, 5" black diamond lift, Bilstein shocks, shackle reversal kit front and revolvers rear, 33 x 12.5 BFG A/Ts, Dynatrac D60 Axles front and rear, ARB air lockers front and rear, custom drive shafts, 3/4 ton break calipers, 10k LB Engo syth winch, 50" LED windshield light bar, black Monstaliner inside, Predator Green Monstaliner outside, marine speaker sound system, marine vinyl dash and seats. Many other little goodies!
Swap to a 4BT diesel in the future? Most likely.
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Old 12-23-2013, 06:32 PM   #10
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I STRONGLY suggest that you get together with somebody who you trust that has a very good knowledge about link geometry before buying/installing that kit.

A portion of what I do for a living is build and install custom 3 & 4 link suspensions on Jeeps. I would consider other options.
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Old 12-24-2013, 12:33 AM   #11
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There is a shop called Jeepers Den that I trust and sponsors the Florida 4x4 group im in. I would trust them with the geometry to make sure it's all set up correctly. What other options would you suggest out of curiosity?
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95' YJ 4-Banger, 5" black diamond lift, Bilstein shocks, shackle reversal kit front and revolvers rear, 33 x 12.5 BFG A/Ts, Dynatrac D60 Axles front and rear, ARB air lockers front and rear, custom drive shafts, 3/4 ton break calipers, 10k LB Engo syth winch, 50" LED windshield light bar, black Monstaliner inside, Predator Green Monstaliner outside, marine speaker sound system, marine vinyl dash and seats. Many other little goodies!
Swap to a 4BT diesel in the future? Most likely.
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Old 12-24-2013, 06:50 PM   #12
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There is a shop called Jeepers Den that I trust and sponsors the Florida 4x4 group im in. I would trust them with the geometry to make sure it's all set up correctly. What other options would you suggest out of curiosity?
We often use a combination of the GenRight rear 4 link install kit that we modify depending on the Jeeps requirements and our link calculations/geometry we are shooting for. Plus, the Poly Performance (Synergy Systems) coilover/shock towers & lower coilover/shock mounts (not the GenRights).

When we set-up the towers, we french the frame & recess the towers in, plus install the lower mounts according to coils used and shock limitations .

If we are building a Johnson Valley/Hammers trails rig (which most of them are), we sometimes use the Poly Perf 4130 heat treated 1.75"x.188 wall chromo for lower link tubing. We weld in tube adapters and generally run Currie JJ's.

On the rear lowers - we prefer them to be single adjustable, so we weld in a JJ barrel on one end and an adjustable tube adapter on the other for the threaded JJ.

For the uppers - 1.5"x.120 wall DOM is often used with double adjustable JJ's.

Here's a couple pics of one we recently did. We swapped in A Currie Rock Jock HPD60 at the same time.





This is a TIG welded barrel (first pic) and a TIG welded threaded tube adapter on the PP heat treated 4130 stuff.




Here's a tower & upper coil bucket we welded in and the second pic is the PP lower mount.



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