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New Leaf Springs
#1
Need new leaf springs. Any suggestions? What are advantages of "lowering " leafs?? Thank you in advance!
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#2
manyo;155878 Wrote:Need new leaf springs. Any suggestions? What are advantages of "lowering " leafs?? Thank you in advance!

The 71-73 Mustang always sat a little low in the rear. I chose the 5 leaf standard height rear leaf and installed 1" lower coil springs in the front. Now the car sits level.
Installing rear leafs that will lower the car will make it handle better, but you may be sacrificing ride comfort.
-Travis

- Travis



I'm an analog man in a digital world.
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#3
I never liked how low they sat in the rear. So I changed mine to 4 leaf but those actually raised the stang to a level position.

[/url][Image: mbpsrsig3_zps456db2cb.png]

[url=http://s165.photobucket.com/user/MPBsr25/media/mbpsrsig3_zps456db2cb.png.html]
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#4
I kept the front coils stock but added a 5 leaf rear spring with a 1 1/2 in lift. The car sits level but a little higher which was what I wanted. Got tired of having to watch out for speed bumps and bottoming out the car. In my younger years I remember seeing sparks coming off the rear when the collectors hit the pavement. I don't plan on taking it on road courses so that was a factor on my decisions.
Lowering the rear will improve handling but having to baby it over speed bumps and curbs just were cons for me.

-jbojo

-john
(jbojo)
351C 4V cc heads, 10.5 : 1 CR, 290 Herbert cam, Flat top forged pistons, forged connecting rods, Atomic efi,
C6 with Gear Vendor overdrive, 3.89 Tru Trac, Hooker Super Comp with 2 1/2" Pypes Exhaust.        

Some Mod pictures can be seen at:

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#5
manyo,

I have a new set of leaf springs, shackles, and U-bolts from Eaton I can cut you a deal on. I bought them for our '72 fastback before we decided to install a rear coil over setup. They were only on the car 2 weeks (0 miles). Send me an email if interested.

Mike
Lancaster, PA
72 Fastback, Restomod
65 Coupe, Restomod

Follow my build on Facebook @ 1972 Mustang Coyote Fastback
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#6
I agree with what the boys have just said.

For me - i have a stock front end, but installed new 5 leaf springs with standard eye schakles. My stance is very close to level front to back, with a very slightly higher stance at the rear.

Rear end height is a matter of personal preference for owners, just as front end height is as well. That comes down to what 'Stance' you want to end up with in regards your finished look. Some guys go for a dramatic lowered look all round and fit big diameter rims on.It' s all down to personal preference.

One thing to point out here as well, if you go the 15 inch wheels way, you'll find that you can only go up to a 255/60 x15 rubber on a four leaf spring without getting fender rub issues. I put 275/60x15's with my old four leafs and got rub issues. Now i own the five leaf springs and have 10 inch rims with 295/50x15's on the back and don't get any rub issues at all.

Greg.Smile

whistling LORD, MR FORD - JERRY REED
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#7
I think everyone (besides the purists) will agree that the factory stance has the back sitting low relative to the front. Your posts would be a lot more helpful if you posted
- pics,
- what you did with the springs and
- tire sizes so people could decide based on how it looks.

Mine currently is stock and looking at it I feel that the front is about an inch high and the back is OK for non staggered sizes, might be low if I was going to run larger rear wheels. I'm guessing i'm going to cut the fronts and leave the rears if I can fit a big enough tire back there (I want something like a 275/60 or 295/50)
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#8
Here is what I did to get a more level stance...

Factory 4 leafs in back...had them re-arched so I could keep originals with car. The shop doing the work said they had sagged 1.5 inches from stock specs.

Front coils I went with the Scott Drake 1" lower.

Tires are 245/60/14 back and 235/60/14 front...OEM 73 styled wheels.

If I had a pic I would post but car is in pieces at the moment.

Jeff
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#9
huh, I'm really curious what that looks like... most car tires on cars in this size range are around 25.5-26" tall, seems a lot of people run 26-28" tall tires on them, and yours should be about 25 and 25.5" tall...
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#10
Search the posted threads from this forum, this has come up several times (with myself included) and plenty of folks have posted top notch write-ups.

I bought a stock replacement and it raised my rear end 1.5 inches. I'm very happy with the results and it costs about $180 and 4-5 hours worth of solo work. In fact, I think I used the instructions from cjponyparts replacement and bought the springs from Ebay but they were discounted from one of the major parts suppliers.

-Former 70 & 72 Mustang Owner.
-69 Torino GT, Formal Roof, 351W, Edelbrock 600 cfm, Edelbrock 351W Performer RPM intake, headers, AOD trans, dual flowmasters w/H pipe, Pertronix II Billet, 3.5 TRACLOC g/r, 15" Magnum 500s, 100A alt, aluminum radiator, electric fan, Pro-car seats, mini-starter...owned since Dec 13.
-70 Mach 1, 351W, Edelbrock E-Street EFI, VHX instrument cluster, Hooker headers, dual flowmasters, Pertronix II, 15" Magnum 500s, 150A alt, aluminum radiator, dual electric fans, Pro-car seats, mini-starter
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