Lets beat a dead horse. Shackle reversal... reversal? - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 11-25-2018, 08:48 PM   #1 (permalink)
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Lets beat a dead horse. Shackle reversal... reversal?

I bought a 2wd frame to mock everything up instead of hacking at my 84 frame. Really started to look into frenching the rear mount under/next to the front body mount. and move the shackle up, on the front of the frame, protected by the bumper.

Found this on marlin crawler, but no finished project pics. Like this but leave the long side on the front since the mounts are moved forward.



This from @RSWORDS, but dont plan on cutting the frame.



This video from the thread is a great example of what ive also witnessed:

https://m.youtube.com/watch?v=QRFwETv-Bk4

And this, but ill be staying spring over:



All this because Im changing from an HP8 to a LC9.5 on the new axle, and dont want to deal with a long slip and pinion pointing at the ground.

That and i hate cookie cutter stuff, but want to look "stockish" and street friendly.
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Old 11-25-2018, 09:15 PM   #2 (permalink)
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Are you asking a question or just stating what you are doing?
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Old 11-25-2018, 09:26 PM   #3 (permalink)
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Do it

Just make sure you have a military wrap or good clamp on the rear of the spring. That's the only downside to front shackle.
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Old 11-25-2018, 09:41 PM   #4 (permalink)
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Quote:
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Are you asking a question or just stating what you are doing?
Both, im going to mock it up and see how i like it. However, what are the small "gotchas" i need to look out for.

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Do it

Just make sure you have a military wrap or good clamp on the rear of the spring. That's the only downside to front shackle.
Yep, since im thinking of moving the mount so far forward (in relation to where the stock eye would be) and french, the short side of the RUF is mil wrapped, and the 2" offset will bring the tire back to within reason. Hoping that the short side being fixed, would lead to lesser chance of bending the spring.

Like so, but in the front.

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Old 11-26-2018, 03:47 PM   #5 (permalink)
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Do it! I did it on my Tacoma with a flipped fj60 axle, using stock rear fj62 leafs, works great! I have the mil wrap up front and haven't had an issue so far.
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Old 11-26-2018, 03:54 PM   #6 (permalink)
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if you can, leave the long side to the rear and put the short side up front.

more strongerer, more flatterer arc, more easierer travelerer
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Old 11-26-2018, 03:59 PM   #7 (permalink)
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On Jeeps with shackle forward it’s common to have a stop on the shackle so it doesn’t invert. A good military wrapped spring properly setup shouldn’t cause this but you never know.
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Old 11-26-2018, 05:46 PM   #8 (permalink)
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I straight up love my front shackles. Climbs amazing with no hop. The front shaft only slips a few inches.

Gotta watch slamming the shackles into studded though and it will bend the main.
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Old 11-26-2018, 10:12 PM   #9 (permalink)
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Fj60's ran front shackles stock. Worked well.
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Old 11-29-2018, 04:19 PM   #10 (permalink)
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Picked it up today. Yankees probably havent seen a frame this clean in 30 years.

Any suggestion on springs? Ive been thinking of mocking RUF, but trying to keep a relatively "flat" spring.

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Old 11-29-2018, 04:48 PM   #11 (permalink)
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Bds 3.5" yj leafs. Mil wrapped on both sides. They even have a warranty. You bend one, they replace it.

I took 1 leaf out when I first put them in so help them break in.
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Old 11-29-2018, 05:28 PM   #12 (permalink)
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Bds 3.5" yj leafs. Mil wrapped on both sides. They even have a warranty. You bend one, they replace it.

I took 1 leaf out when I first put them in so help them break in.
I have some stock YJs from when I installed a 2" BDS. The 2" have quite the arc, any pics of your setup?
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Old 11-29-2018, 10:12 PM   #13 (permalink)
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I have some stock YJs from when I installed a 2" BDS. The 2" have quite the arc, any pics of your setup?
There are pics in my build thread if you feel like searching a little. I frenched up both sides and was able to get a fairly low ride height.
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Old 11-30-2018, 12:25 PM   #14 (permalink)
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There are pics in my build thread if you feel like searching a little. I frenched up both sides and was able to get a fairly low ride height.
Yep, pretty inline with what I'm looking to do, minus cutting the whole front off. but hopefully i wont have to since its a 2wd/4x4 frame.
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Old 11-30-2018, 08:06 PM   #15 (permalink)
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I considered doing the shackle reversal on my 73 toyota build. But what I couldn't get past, is that I will be driving into rocks and holing my axle will flip right on top of them, but with a front shackle, it will want to flip back and taco the spring. As if the spring likes being a taco.

But at the same time,the rest of the truck is stuck, front axle gets traction and tries to leave the truck, taco spring.
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Old 11-30-2018, 08:54 PM   #16 (permalink)
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I considered doing the shackle reversal on my 73 toyota build. But what I couldn't get past, is that I will be driving into rocks and holing my axle will flip right on top of them, but with a front shackle, it will want to flip back and taco the spring. As if the spring likes being a taco.

But at the same time,the rest of the truck is stuck, front axle gets traction and tries to leave the truck, taco spring.
No
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Old 11-30-2018, 09:09 PM   #17 (permalink)
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Quote:
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No
No? I have wheeled both. I see it as a push over the rock, or pull over the rock. Each have their own issues. Slip yoke problems, or more constant leaf spring problems. Steering issues on the road, or driving a jeep.
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Old 11-30-2018, 09:18 PM   #18 (permalink)
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No? I have wheeled both. I see it as a push over the rock, or pull over the rock. Each have their own issues. Slip yoke problems, or more constant leaf spring problems. Steering issues on the road, or driving a jeep.
A stock jeep with lift springs and longer shackles is hard to compare to a custom front shackle setup.

I beat on mine pretty good for 3 years, all year round (not just driving quickly through rocks, but hauling ass in the snow and hitting unseen rocks, stumps, logs, ect) and never had crazy wierd symptoms. I put a very slight bend in one leaf when I hit a tree at a few mph.

I can't argue that it's hard on the rear side of the leaf, but in the real world, it works and the benefits out wiegh the negatives imo.
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Old 12-01-2018, 06:01 AM   #19 (permalink)
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Quote:
Originally Posted by YotaAtieToo View Post
A stock jeep with lift springs and longer shackles is hard to compare to a custom front shackle setup.

I beat on mine pretty good for 3 years, all year round (not just driving quickly through rocks, but hauling ass in the snow and hitting unseen rocks, stumps, logs, ect) and never had crazy wierd symptoms. I put a very slight bend in one leaf when I hit a tree at a few mph.

I can't argue that it's hard on the rear side of the leaf, but in the real world, it works and the benefits out wiegh the negatives imo.

I can see how that is your opinion and your experience, and not just a "No"
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Old 12-01-2018, 10:07 AM   #20 (permalink)
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Do it. I struggled to make sure the hangers under the body mounts were square to each other and to the truck, but I'm sure it will be much less of an issue for somebody with more fab skills.

I also cut the frame off at the motor mounts and made new from there forward. It was the only way I could figure out how to get the shackles wider than how far apart the front of the frame rails were.
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