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Username Post: 1" to 4" Adjustable 3-Position Rear Leaf Spring Shackle Lift for 1955 Chevy        (Topic#374084)
Duke 
"21th Year" Silver Supporting Member
Posts: 4310
Duke
Loc: Earth (sometimes)
Reg: 04-28-03
11-26-23 02:17 PM - Post#2864510    

I'm and old sole and love the heavy rake look. Looking for a set of 1" to 4" Adjustable 3-Position Rear Leaf Spring Shackle Lift for a 1955 Chevy. I would rather go with the old school adjustable shackles and not the regular Rear Leaf Spring Shackles. Does anyone sell an adjustable kit anymore for a Tri-5? If I have to buy a set of the traditional shackles to get the bushings, sleeves and bolts to add to an adjustable long shackle then that's fine but would rather buy it as one kit. I want the long shackles.

Looking for something like this:
https://www.amazon.com/dp/B071ZLZ7V1?ref_=cm _sw_r_...

Rathe than this;
https://www.amazon.com/1955-Chevy-Spring-Sha ckles-...

http://s1245.photobucket.com/albums/gg590/MTBingNi ...
'55 Bel Air Sports Coupe
'67 Corvair Monza Convertible


 


Shepherd 
Valued Contributor
Posts: 3276

Loc: Lake George, NY
Reg: 11-11-15
11-26-23 03:55 PM - Post#2864512    
    In response to Duke

Better use a rear stabilizer bar with that set up.



 
acardon 
Ultra Senior Member
Posts: 11487

Loc: DFW TEXAS
Reg: 03-25-05
11-26-23 04:26 PM - Post#2864513    
    In response to Duke

Those should work on a 55 chevy. Ford springs are 2" wide just like chevy. And the 55 spring hanger is also 2" wide.

Don
66 Corvair (driving)
57 2dr HT (driving)
56 2dr HT (waiting to be restored)


 
55MAS 
Senior Member
Posts: 1688

Loc: North Coast, USA
Reg: 12-19-01
11-27-23 05:34 AM - Post#2864523    
    In response to acardon

Long shackles are visually unappealing and also could be a possible hazard due to side loads.
Consider getting your leaf springs re-arched to increase lift. Also consider lowering the front end 1" or so. Removing 1 coil will provide ~1-1/2 inch drop. This will provide your overall rake goal without achieving it entirely at the rear.



 
Duke 
"21th Year" Silver Supporting Member
Posts: 4310
Duke
Loc: Earth (sometimes)
Reg: 04-28-03
11-27-23 07:26 AM - Post#2864526    
    In response to 55MAS

I should've mentioned that I added two leafes in the back a few years ago. I am due for new tires in three years so another thought is to go with a taller tire in the rear and a thinner tire in the front. I have drop spindles in the front already. Was thinking about cutting a coil up front but have heard a lot of negative things about that as well. Thought about replacing the coils and adding adjustable coil over shocks but heard that I would really need to add new lower and upper control arms.

http://s1245.photobucket.com/albums/gg590/MTBingNi ...
'55 Bel Air Sports Coupe
'67 Corvair Monza Convertible


 
Shepherd 
Valued Contributor
Posts: 3276

Loc: Lake George, NY
Reg: 11-11-15
11-27-23 07:58 AM - Post#2864530    
    In response to 55MAS

My point exactly, handling with those extended shackles is adversely affected.



 
55MAS 
Senior Member
Posts: 1688

Loc: North Coast, USA
Reg: 12-19-01
11-27-23 04:22 PM - Post#2864550    
    In response to Duke

  • Duke Said:
I should've mentioned that I added two leafes in the back a few years ago. I am due for new tires in three years so another thought is to go with a taller tire in the rear and a thinner tire in the front. I have drop spindles in the front already. Was thinking about cutting a coil up front but have heard a lot of negative things about that as well. Thought about replacing the coils and adding adjustable coil over shocks but heard that I would really need to add new lower and upper control arms.



The added leaves are moot since you want to increase the rake from what you presently have. Adding couple of leaves doesn't really increase height unless the arch is changed, only increases stiffness. I assume it is a stiffer ride with the additional leaves.

Cutting the coils is free if you do it yourself and there are no issues. Also, easily reversible with new springs if you are not happy. Buying all of of the parts that you mentioned could be costly if you are not happy.

There will be a little more weight on the front end with a large rake. Cutting the coils increases spring stiffness, one coil would be less than 10%.

Just some things to consider.




 
irishsteve 
Newbie
Posts: 2

Reg: 08-05-22
01-26-24 08:25 PM - Post#2866340    
    In response to 55MAS

Replace your upper rear shock mounts with a cross bar mount then run air shocks.Another old trick is to mount the rear end under the springs.My high school car was sky high in the rear.Did nothing for handling quality.



 


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