Author Topic: 75 w100 shackle flip  (Read 2063 times)

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Offline Mudd-Flapp

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75 w100 shackle flip
« on: January 8, 2018, 11:36:35 pm »
I'm wanting to do a shackle flip on my 75 powerwagon, I have a couple questions. 1 can I reuse the stock hangers and just flip it upside down and use either the stock holes, or drill new ones. 2 how much lift will I gain from it, and 3 how would I level out the front. Hopefully someone has the answers I need, thanks.


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    Offline Elwenil

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    Re: 75 w100 shackle flip
    « Reply #1 on: January 9, 2018, 08:09:30 am »
    You can use another set of the front rear spring hangers in the rear, fabricate new brackets or buy some of the aftermarket ones like Jungle sells here on RCC.  Just flipping the rear bracket won't work as the mounting of the bracket would be hanging below the frame rail in order to gain any lift.  The typical front bracket swap will usually gain you enough to toss the stock 3.5" block but all of it can vary a lot depending on the arch of the spring, where the brackets are placed and what shackle length you use.  Also be aware that it will move the axle forward in the wheelwell slightly and angle the pinion upward.  Gaining lift in the front to match can be done with lift springs or drop brackets like Jungle makes.  Never use blocks on a front axle.
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    Offline Mudd-Flapp

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    75 w100 shackle flip
    « Reply #2 on: January 9, 2018, 08:26:54 pm »
    So if I flip the bracket it will stay stick heigh but I can get rid of the lift block, but no additional lift?


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    Offline chau8238

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    Re: 75 w100 shackle flip
    « Reply #3 on: January 10, 2018, 09:01:15 am »
    I did the shackle flip using the stock hangers from a donor pickup, so my truck has the front hangers for the rear leafs in the front and rear now.  I think it added about 3.5" of lift, but I also bought a zero rate lift spring that pushed my axle back 1" to center it back into the wheel well, so that added another inch.  I am using a factory block on my rear and it sits slightly lower than my front with 4" lift springs, dana 60, etc....  This is on my diesel Ramcharger. 

    Here is an old how-to, at least it has some pics to see what we're talking about.

    https://ramchargercentral.com/articles/?sa=view;article=34

    Here is the zero rate block I used to center my axle.
    https://ramchargercentral.com/articles/?sa=view;article=34

    If you swap out the front hangers for longer ones, that will push the front down and would be a good opportunity to center the axle in the wheel well again.  I had planned on doing that to my diesel to eliminate the block, but never got around to it.  It's still an option though since I want to lift the rear slightly more for looks and for when I hook my trailer up to it.
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    Offline u2slow

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    Re: 75 w100 shackle flip
    « Reply #4 on: January 11, 2018, 05:01:23 pm »
    If you keep the leaf spring level (i.e. relocate all 4 hangers), you avoid tilting the pinion. The right style of receiver hitch will leave you with a big 'wing' area to bolt the rear hanger to.

    https://ramchargercentral.com/axle-tech-discussion/dana-80-swap-westcoast-style/

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