Where do I get 160 pound per inch leaf springs?

[cataclysm80]

Where do I get 160 pound per inch leaf springs?

Espo said they only offer factory stuff, which tops out at 130 pounds per inch.

Any ideas?

[Cuda Cody]

Is it for an E-Body or a different project?

I think most spring companies that do re-arches could make you custom leafs.  Might look at these guys:

https://www.eatondetroitspring.com/

They list a couple leaf springs for 1970 Challenger.  One is shown at 175 rating.

[Brads70]

Not 160 but..... https://landrumspring.com/products/leafsprings/chrysler-multi-leaf-springs/

I am using composites but they are pricey and requires  good shocks like QA1 double adjustable
http://www.hypercoils.com/leaf-springs

Most performance Chrysler leaf spings are superstock length requiring a different hanger

[cataclysm80]

Is it for an E-Body?

  70 Road Runner.  Shh, don't tell the administrator.   

[cataclysm80]

I am using composites but they are pricey and requires  good shocks like QA1 double adjustable
http://www.hypercoils.com/leaf-springs

Most performance Chrysler leaf spings are superstock length requiring a different hanger

I don't mind getting the different hanger.  I'm aiming for a stock ride height, but it's not critical by any means.

I'm putting together a big order for Firm Feel, but I want to make sure to order everything at once so that I don't have multiple shipping charges.
At the moment, I'm leaning towards the RCD Bilsteins from Firm Feel.  I didn't have quite as much time to research shocks as I would have liked though.

[Cuda Cody]

I'm only 5 miles from Firm Feel.... let me know if I can help with anything.

I've used Bilsteins many times on other vehicles and have been extremely happy.  Great shocks!

I am using composites but they are pricey and requires  good shocks like QA1 double adjustable
http://www.hypercoils.com/leaf-springs

Most performance Chrysler leaf spings are superstock length requiring a different hanger

I don't mind getting the different hanger.  I'm aiming for a stock ride height, but it's not critical by any means.

I'm putting together a big order for Firm Feel, but I want to make sure to order everything at once so that I don't have multiple shipping charges.
At the moment, I'm leaning towards the RCD Bilsteins from Firm Feel.  I didn't have quite as much time to research shocks as I would have liked though.

[Brads70]

I am using composites but they are pricey and requires  good shocks like QA1 double adjustable
http://www.hypercoils.com/leaf-springs

Most performance Chrysler leaf spings are superstock length requiring a different hanger

I don't mind getting the different hanger.  I'm aiming for a stock ride height, but it's not critical by any means.

I'm putting together a big order for Firm Feel, but I want to make sure to order everything at once so that I don't have multiple shipping charges.
At the moment, I'm leaning towards the RCD Bilsteins from Firm Feel.  I didn't have quite as much time to research shocks as I would have liked though.

I had those RCD shock on then sold them. Found they couldn't keep up with the composite springs. They react much quicker than steel.

[cataclysm80]

Currently, I'm thinking that I'll run
1.00 Torsion Bars
1.125 Front Sway Bar
Leaf Springs 160 lb
No Rear Sway Bar


I'm guessing that I'll have about 56% of my weight on the front, but that's just a guess.
I'm guessing the overall vehicle weight might be around 3,800 lbs.

As far as handling goes, the front suspension parts on a 70 B body are all the same as what you'd find on an E body.


I figure that I can either add a .75 rear sway bar, or change the front sway bar to 1.25 if I find that I need to make one end of the car stiffer.


What do you guys think?
Will this setup be to stiff for a street driven car on 15 inch tires?

[HP2]

Go with a 120# rear spring and a .75" rear sway bar.

I'd say factory  XHDs are closer to 140-145 than 130.  Oval track springs are 120 and there is a obvious difference between them and XHDs.

If you can't buy em, build em.  Take your 140# and add a full length stock leaf and re-check.

[Bullitt-]

I'm surprised no one has mentioned Espo yet http://www.springsnthings.com/leaf-spring.htm
  They've been the go to place for ebody leafs anyway 

[Brads70]

I'm surprised no one has mentioned Espo yet http://www.springsnthings.com/leaf-spring.htm
  They've been the go to place for ebody leafs anyway

"Where do I get 160 pound per inch leaf springs?

Espo said they only offer factory stuff, which tops out at 130 pounds per inch.

Any ideas?"

I took it as he was looking for other options other than ESPO? 

[Bullitt-]

I'm surprised no one has mentioned Espo yet http://www.springsnthings.com/leaf-spring.htm
  They've been the go to place for ebody leafs anyway

"Where do I get 160 pound per inch leaf springs?

Espo said they only offer factory stuff, which tops out at 130 pounds per inch.

Any ideas?"

I took it as he was looking for other options other than ESPO? 

Well crap .. I re-read all but the original post... 

[HP2]

Or order the 175# Espo springs and remove a leaf.

[cataclysm80]

Or order the 175# Espo springs and remove a leaf.

When I called Espo, they said that 130# was the biggest they had, and they don't take custom orders.
I was kind of surprised that they don't take custom orders.

[61K T/A]

Must be getting them made some where else who doesn't make custom spring rates?