I currently have the original 3 leaf springs on, rear sway bar, and urithane bushings. We also have a pair of old gas shocks on, that we installed by a friend that he had laying around. The car has a 351W, and 3.55 Rear end wit FMX tranny, and its a daily driven car. We want to upgrade the rear end, and seeing if anyone had any input or experience with a 4 or 4 1/4 leaf springs and a shackle kit. And if QA1 gas shocks or Koni shocks would be bettter? Let me no if you have any other good options.
65 Rear Suspension Questions
- Thread starter sinisterstang65
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Wanna bet? All 64-73 Mustangs had four-leaf springs, from the lowliest six cylinder to the mighty BOSS 429.
If you are missing a leaf, a nice set of GT 4-leaf springs with all the attaching hardware will cure your problem for under $200.
I had Konis, but when I moved here the roads were too darn rough, so I switched to KYB Gas-A-Just. Some even find them too stiff, and use the KYB GR2.
If you are missing a leaf, a nice set of GT 4-leaf springs with all the attaching hardware will cure your problem for under $200.
I had Konis, but when I moved here the roads were too darn rough, so I switched to KYB Gas-A-Just. Some even find them too stiff, and use the KYB GR2.
Extended shackles will lift the rear slightly, screw up the pinion angle risking U-joint or differential damage, and cause the back end of the car wiggle in a suggestive and performance killing manner.
The tires you suggest are about one size too big for a 65-66:
Mustang Wheel and Tyre Chart
S-Car-Go
Member
The stock shackles are the weakest part of the rear suspension. Making them longer and weaker isn't a good idea. When it shimmies you will get tire rub.. Use smaller tires and the proper leaf springs.
Yeah, then you won't have to worry about shredding your tires or sheetmetal.
I am running 5 1/2 leaf standard eye rear springs with the prothane shackles, shelby style traction bars and 50/50 lakewood shocks. Also I am running 245/45/17 rear tires and they fit under the stock body work. Car is a little firm in the rear but, made a huge change from my worn out stock leafs.
Really? Can you post some pictures so i can see it? What kind of rear suspension do you have, or is it just lowered 1"???
http://www.stangnet.com/mustang-forums/803440-another-coilover-bryce.html
This should answer most questions.
Really, are the shackles regular and not the extended ones. And are the lake wood shocks adjustable? Also is your setup for daily driving, and is it so firm that its uncomfortable, bc i also dont want it how it is now, really bouncy and annoying to sit in the backseat
calpolymustang
Member
The shackles are regular...just alot more material on them (very strong) and they have Urethane bushings. The lakewoods are 50/50 non adjustable. I wouldnt say the ride is by any means uncomfortable. and thats with 17x8 wheels with 245/45/17 tires. If you are not looking for ultimate performance I would probably go with 4 1/2 or 5 leafs... I thought I had a picture, but this gives a slight idea. I will take some better pictures tonight
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The above picture was with the 8inch in it. These one bellow are with the 9inch, the new 9inch has 3 inch axle tubes so it lowered the car a little about an inch, still rides great and doesnt scrub at all.
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dodgestang
Active Member
Just a data point note....going from a 2.5 inch tapered tube housing to a 3 inch tube housing will lower the car .25 inch if all else stays the say. If you change springs, spring rates, shocks, etc...well then it can be tough to track.
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