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As you can see, my car is riding high in the rear, these are new rstock leaf spring kit from MU, is this normal???[I don't think so!!!!]Will they settle?? What can I do to get them down??? thanks, L
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1966 Mustang Coupe
289,2v,power steering
All original, 82,000 miles
Springtime Yellow, Black interior,KYB's,Pertronix Ignitor
All early mustangs to me the back sits up tiny bit higher the the front sure your front springs are good or could do a small lowering block to even it out.
Theres the redneck fix 2 50lbs bags of sand in the trunk.Or could call a spring shop close to see what they charge to take some of arch out of them which would lower it some.
Hello. Whether or not they will settle would depend on what sort of a time frame you're talking about. 20-25 years from now they will have settled some. What it looks like is that your springs are for a convertible, which have a slightly higher load rating. Many vendors just sell those as a one-size-fits-all. The simplest fix would be to put some one inch drop blocks on the rear. That should get you back to sitting basically level, and if they do start to settle some at a quicker pace than Ford's did, you will have the option of just removing the blocks or putting in half-inch or whatever. Hope that helps.
Hi- was looking at some old posts and came across yours- I have the same problem on my 65 coupe, with parts purchased at the same parts house- it's been over a year and no changes with respect to height.
I did not install the springs myself, as I had them installed when I had new frame rail sections put in. But I was wondering if the 10 steps to install these leaf springs as listed in the 65 ford shop manual not followed exactly, would that prevent the leaf spring from reaching proper arch, and thus providing the proper curb load position that we are both looking for? I have not used lowering blocks at this point, I think I will see if I can get some help and backtrack the installation steps to see if that helps cure the problem.
Hi again. There isn't really any way to install them incorrectly enough to have the car sitting funny. The front bolt goes where it goes and it won't go anywhere else. The rear shackles are the length that they are and that also isn't subject to variation if it's the same shackles or shackles of the same length that the car had. So, the short version of the answer to your question would be " No".
I think the original standard-eye springs sat real high - also if you did add some "drop" coil springs to the front and performed an Arning 1" drop, the problem is even worse.
I just worked the front end on my '65 with 1" drop coils and the Arning UCA drop, and I am going to add the "mid-eye" 4 leaf springs to the rear for a good stance.
Other thqan the ride height is there any pros or cons as to choosing a mid or reverse eye set up? Thinking about going with This set with a 4 1/2 mid eye. (Keeping the stock set up to take it back to original if desired)
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________________________________________________ The more Im around some people the more I like my dog! Claybone
When I put the new leafs under my 65 it sat up so high we almost couldn't get the shackle bolts in. A month later I started driving it. After each trip it settled a bit more until it finally stopped at the right heigth.Took about a month. These springs were from NPD and were the standard heigth.
My 65 is getting a bit low in the rear.
I could get the springs reset but I'm afraid of it finishing up too high.
Was concidering making up longer hangers instead.
But that will alter the drive angle.
New Leaf Springs,will they settle???? 
Whether or not they will settle would depend on what sort of a time frame you're talking about. 20-25 years from now they will have settled some.
What it looks like is that your springs are for a convertible, which have a slightly higher load rating. Many vendors just sell those as a one-size-fits-all. The simplest fix would be to put some one inch drop blocks on the rear. That should get you back to sitting basically level, and if they do start to settle some at a quicker pace than Ford's did, you will have the option of just removing the blocks or putting in half-inch or whatever. Hope that helps.
