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Looking for new leaf springs
#1
So it turns out hauling 15 outboard motors in a '71 convertible isn't great for the suspension (who would have guessed?) and my leaf springs are flattened now... I'm definitely replacing them asap but looking for recommendations. I'd like a heavier duty spring in case I haul stuff around again (and thinking of adding a trailer hitch for a small trailer) but I'd also like to lift it up some for that 70's street racer style rake. Any suggestions? I found springs for one or the other, but not both.
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#2
(03-24-2018, 08:51 AM)RadRacer203 Wrote: So it turns out hauling 15 outboard motors in a '71 convertible isn't great for the suspension (who would have guessed?) and my leaf springs are flattened now... I'm definitely replacing them asap but looking for recommendations. I'd like a heavier duty spring in case I haul stuff around again (and thinking of adding a trailer hitch for a small trailer) but I'd also like to lift it up some for that 70's street racer style rake. Any suggestions? I found springs for one or the other, but not both.

 A "trailer hitch"!!!! On a Mustang!!!!
Okay, your car, your way.
I bought a set of 4.5 leaf springs from Mustangs Plus last year. They are quite a bit stiffer, but not as bad as 5 leaf would be. Initially, they will be quite a bit higher too and I installed 1" lowering blocks until they settle as I don't want that 70's look. You can buy longer rear shackles if you want.
Check them out.
Geoff.
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#3
Geoff, I forgot you can get lift shackles. Then I can go with the 5 leaf springs and those shackles and get exactly what I wanted. Thanks! And they put trailer hitches on these cars back in the day, why not now? I got an NOS one for a '67 that looks like it'll fit
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#4
(03-24-2018, 09:35 AM)RadRacer203 Wrote: Geoff, I forgot you can get lift shackles. Then I can go with the 5 leaf springs and those shackles and get exactly what I wanted. Thanks! And they put trailer hitches on these cars back in the day, why not now? I got an NOS one for a '67 that looks like it'll fit

  I think you'll find 5 leaf a bit too stiff for normal driving, but again depends on your needs I guess. 4 1/2 leaf worked great for my Mach 1, improved the cornering, stopped the spring wrapping up and still a comfortable ride......... for a Mustang. Also, forgot to mention I went with standard eye, you can get them with reversed eye, so check out your needs. Mustangs Plus ship free as well. Had a great experience with them.
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#5
I used 429 springs in my 71 Mach. Plenty firm for good ride. Got them from Mustangs Unlimited. local to me so I just picked them up.

70's rake and trailer hitch - not my bag, but, as Stanglover noted, your car, your way.


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#6
runninpony 
You could get your leaf springs rebuilt, that's what I did plus 1" longer stainless steel shackles  in combination with Monroe Air Shocks. That raised the rear up quite a bit without having to pump up the shocks too much, I LOVE that raked look! LOL
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#7
[Image: Capture6.jpg]
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#8
(03-24-2018, 08:51 AM)RadRacer203 Wrote: So it turns out hauling 15 outboard motors in a '71 convertible isn't great for the suspension (who would have guessed?) and my leaf springs are flattened now... I'm definitely replacing them asap but looking for recommendations. I'd like a heavier duty spring in case I haul stuff around again (and thinking of adding a trailer hitch for a small trailer) but I'd also like to lift it up some for that 70's street racer style rake. Any suggestions? I found springs for one or the other, but not both.

Many years ago (1976) I had those old Gabriel Hi-Jacker Air Shocks and when I needed to haul a full trunk load of solid bricks, I just pumped them up to the max and loaded up the trunk. My convertitble Mustang rode like a Caddy all the way home with all that weight in the back. Going with air shocks if you haul and want to adjust the ride height may be an easy and inexpensive solution.


[Image: QVE5k2aa.jpg]



[Image: FB_IMG_1521331992203.jpg]


[Image: FB_IMG_1521332011045.jpg]


1973 H Code Convertible - Medium Copper Metallic - June 8, 1973, Built Ford Marketing Sales Vehicle
[Image: DSC_0266xsm.jpg]
[Image: satellite.png] Proud Space Junk Award Winner!












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#9
I decided to go with the stock 4 leaf springs and a set of air shocks and lift shackles when I find them for cheap. I think I'll post a wanted ad for some cheap used parts. I also found a really cheap complete suspension from a '68 close by and I was wondering if the springs would fit.
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#10
Air shocks are a bad idea. The shock mounting points were never designed to carry weight, just to mount shocks. What happens when you use them is they tear out the upper mounts or at least distort them pretty heavily.

5 leaf springs are stiff, I run them, but they aren't unpleasant.

as to a trailer hitch . . .properly mounted you can get away with a light tongue weight trailer that isn't too heavy. I wouldn't tow over about 750 pounds though as the unit body construction and the relatively light weight rear frame rails can be distorted pretty easily. Also the brakes are marginal for the extra weight

If you are going to tow, proper welded in subframe connectors are a good idea. If you are not going to tow, they are also a good idea

[Image: 1_01_07_15_8_53_18.png]

"I love my Hookers!" and "Get some Strange" probably have a different connotation to non automotive enthusiasts!
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