71 Dodge Dart Swinger in England

Right I'm back after a longer than planned pause. Rebuilt the front suspension of a Porsche Boxster that started out as a simple anti roll bar drop link replace. By the time Id finished I've Poly bushed the front end, new wheel bearing and new inner out track rods. so that's all good now. So enough German cars and back to classic american steel :)



So next up is the sagging rear end. Thought it best if i empty the boot/trunk first. well that gained a couple of inches! The PO has made some longer shackles that are 5 1/2 between holes, what is the stock length I'm guessing about 2 1/2" ?

Not sure if the springs have gone soft or its the fact the longer shackle is now leaning back towards the bumper and effective making the spring longer.

Photo below is with car jacked up so shackle hanging down.

What would stock height to the rear wheel arch be?

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