Rear springs

If I have Mustang II rear shocks are the leaf springs always from a 1970-79 Ford Pinto?

No, rear springs are from Mustang II as well.
Just got 2 new springs last year. Mine had lost over an inch of arc when compared to new. They were ONLY forty tears old. Ordered from a local spring company. Can look up $ and part number if you need them. Pretty easy to get as there is not a lot of options for those years.

Thanks so much. If you can give me the part number that would be great. All the best Steve

Found it.
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So those are 5 leaf springs and the ones on the car now are 3 leaf. Assume that doesn’t matter?

Scroll down to specs and see they are listed as 4 leaf.
Also gives dimensions. Check to see if it matches yours.
If not, that leaves 3 possibilities.
I'm wrong and it's in fact Pinto (don't think so)
Builder removed a leaf for softer ride.
It's a 4 cylinder Chevette donner car suspension.

In your original post, you said it has Mustang shocks.
What engine/trans/rear end combo do you have ?
Is the car a slab side Saxon or flared fender Sebring ?

It’s a Mustang II suspension with a 1970 302 and 5 speed top loader. I’m going to measure the leaf springs and go from there with your suggestion as it’s highly likely the leaf springs are Mustang as well.

Hey Jerry and Lisa....so I purchased the leafs you suggested and the car sits far too high regardless of the front eye position. Did you use different shackles? Would longer shackles do it? The stance of the car with the previous springs was low but right for the look of the car. I don’t really want to use blocks so has anyone any suggestions on some lowered leaf springs that will have the shell sit in the wheel arch better?

I happened to be under my storage shed yesterday and checked my old rearend and springs out. My springs were 4 leaves and I'm pretty sure they were Mustang II. I believe Pinto's used a shorter spring.

The leaf spring pack on my old axle had about 1/4" thick spacer on the very bottom of the spring stack. Looked like a leaf may have been removed and 5-6" long section of spring had been added to get the stack back to the same height as 5 leaf pack. Most likely so that the u-bolts from the taller pack would work.

Hope this helps.

I had the same ride height issue on my Sebring and what I did was to disassemble the spring pack and move the shortest bottom leaf to the top of the pack, keeping the same thickness. In my case it softened up the spring enough to drop the body and improved the ride as well. This was on 25-year-old springs so your situation may differ.