EATON Detroit Spring

The leading manufacturer of leaf and coil springs for the street rod and restoration industries

We Help Maintain American Icons by Manufacturing Leaf and Coil Springs Right Here in America

Phone: 1 (313) 963-3839
Fax: 1 (313) 963-7047

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    • Spring Tech 101

      We have been manufacturing springs for American vehicles for over 80 years. Our process and expertise has been continuously refined and improved over the century and our Spring Tech section reflects some of that specialty knowledge.

      Browse our many articles, watch videos produced in partnership with AutoRestoMod, and learn all about your spring suspension here.

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    • About EATON Detroit Spring
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  • Click to Call Now: 1 (313) 963-3839
MENUMENU
  • Home
  • Products
    • Leaf Springs
    • Coil Springs Mustang II Springs
    • Shocks
    • Attaching Parts And Hardware
    • Installation Kits
    • Leaf Spring Shackle Replacement Kits & Parts
  • Applications
    • We Manufacture Leaf & Coil Springs For...

    • Restorations
    • Resto-Mods
    • Street Rods
    • Modern Vehicles
    • Custom Design
    • Makes We Have Available Online

    • Allstate
    • American Motors
    • Buick
    • Cadillac
    • Chevrolet
    • Chrysler
    • DeSoto
    • Dodge
    • Edsel
    • Ford
    • Hudson
    • International
    • Kaiser-Frazer
    • LaSalle
    • Lincoln
    • Mercury
    • Nash
    • Oldsmobile
    • Plymouth
    • Pontiac
    • Rambler
    • Studebaker
    • Chevrolet Truck
    • Dodge Truck
    • Ford Truck
    • GMC
    • Honda
    • Hummer
    • Plymouth Truck
    • Studebaker Truck
  • Spring Tech
    • Learn About Leaf & Coil Springs
      • Spring Tech Videos
      • One Minute Monday
      • EATON Detroit Spring Podcast
      • Replacing Springs
      • Ride Height
      • Ride Quality
      • Custom Spring Design
      • Spring Manufacturing
      • Browse All Tech Questions
    • Spring Tech 101

      We have been manufacturing springs for American vehicles for over 80 years. Our process and expertise has been continuously refined and improved over the century and our Spring Tech section reflects some of that specialty knowledge.

      Browse our many articles, watch videos produced in partnership with AutoRestoMod, and learn all about your spring suspension here.

  • About Us
    • About EATON Detroit Spring
    • Customer Showcase
    • Facebook
    • YouTube Channel
      • One Minute Monday
  • Order Here
    • Lookup & Purchase Your Vehicle's Parts
    • Request A Quote
    • Email Our Sales Team
  • Get Newsletter
  • Click to Call Now: 1 (313) 963-3839

All About Our Spring Steel

Springs can’t be made from just any metal. They need to be made from a steel that has a high yield strength, helping it retain it’s original shape after significant pressure is applied. Surprise, surprise: a spring’s steel needs to be able to bounce back. So what type of steel would be perfect for building springs? […]

Filed Under: Article, Spring Manufacturing

When & Whether To Powdercoat, Chrome, or Paint Your Springs

What’s the best way to finish my springs: Powder coating, painting or chroming?

Filed Under: Spring Manufacturing, Tech Question

How Leaf Springs Are Made

We manufacture leaf springs all year long, and one thing everybody who comes to the shop wants to see is how it’s made. Well, not everyone can make it out to Michigan and Trumbull in Detroit, so we made this six minute video with Jeff Ford of Autorestomod to give you a special look into […]

Filed Under: Article, Spring Manufacturing

Never Weld Springs (Do This Instead)

Why shouldn’t you heat up springs? For safety’s sake.

Filed Under: Article, Spring Manufacturing

Spring Rate Vs Load Rate

Understanding spring terms will make your suspension build a thousand times easier.

Filed Under: Article, Spring Manufacturing

Mono-Leaf Springs

Are mono-leaf springs dangerous? Only if you buy from the wrong people.

Filed Under: Article, Spring Manufacturing

How To Measure Leaf Springs

It’s not as simple as you think. Download our measuring form and read on to measure divisional length and free arch the right way.

Filed Under: Article, Replacing Springs, Spring Manufacturing

Designing Special Trailer Springs

The leaf springs for my trailer are well beyond operational condition. Do you have original specs for my trailer springs or should I measure them myself?

Filed Under: Spring Manufacturing, Tech Question Tagged With: Leaf Springs

Can Coil Springs Have Two Different Ends?

Can a spring be both tangential and square?

Filed Under: Spring Manufacturing, Tech Question Tagged With: Coil Springs

How Much Will Springs Settle?

How much will springs settle shortly after installing? Learn how to judge your new spring installation by knowing exactly what to expect from a freshly manufactured set from EATON Springs.

Filed Under: Spring Manufacturing, Tech Question Tagged With: Coil Springs, Leaf Springs, Restoration

How Do I Find The Springs I Need On This Website?

I can’t find the springs I need online! Why is that?

Filed Under: Spring Manufacturing, Tech Question Tagged With: Coil Springs, Leaf Springs

Rearching C1 Corvette Springs

I have Corvette leaf springs with grooves. Can we restore them or should I have new ones fabricated?

Filed Under: Replacing Springs, Spring Manufacturing, Tech Question Tagged With: Leaf Springs

Why We Don’t Pre-Band Coil Springs

Can you compress the coil springs before you ship them?

Filed Under: Spring Manufacturing, Tech Question Tagged With: Coil Springs

Urethane and Rubber in Coil Spring Isolators and Bushings

Which isolator should I use? Is it the same material for the bushings?

Filed Under: Replacing Springs, Spring Manufacturing, Tech Question Tagged With: Coil Springs, Leaf Springs

How Do I Find The Rate and Load Of My Coil Springs?

How can you tell what the coil rate and load is for my `67 A-Body?

Filed Under: Spring Manufacturing, Tech Question Tagged With: Coil Springs

New Mainplate Won’t Lower Your Vehicle

I bought a pair of cruddy leaf springs. What can you do to fix them?

Filed Under: Spring Manufacturing, Tech Question Tagged With: Leaf Springs

U-Bolt Welding

I understand welding springs is bad. What about the U-Bolts next to the spring?

Filed Under: Spring Manufacturing, Tech Question Tagged With: Attaching Parts

Never Weld To A Spring

Some guy said you can replace a U-Bolt by welding his product to the main plate of a spring. It seems like a bad idea. Is it?

Filed Under: Spring Manufacturing, Tech Question Tagged With: Leaf Springs

Springs & Air Bags

Mike, I have a 1968 Camaro Hardtop that I want to lower 2 Inches in the rear. I have headers and dual exhaust, which sometimes scrape on the driveway, so I want to install air bags to lift it as required. My question is, how does this affect the suspension and spring rate? Can I […]

Filed Under: Spring Manufacturing, Spring Ride Height, Tech Question Tagged With: Leaf Springs

Grease Between Leaves

Q – Mike: I really enjoyed the opportunity to talk with you during the Silver Springs car show this past weekend. I have also looked at several of your articles on your web site and found them to be very interesting and informative. I also appreciate the T-shirt offer regarding the a discussion we had […]

Filed Under: Spring Manufacturing, Tech Question Tagged With: Leaf Springs

Greasing Leaf Springs

Mike, What effect does grease between the leaves of a pre-50 spring have please? Besides stopping them squeaking. Kind Regards, Mike Mike, If the springs are really pre-1950’s, the grease will help them slide against each other easier and help stop the squeaking. This means springs from the pre-1950’s, not a vehicle from pre-1950’s. Since […]

Filed Under: Spring Manufacturing, Tech Question Tagged With: Leaf Springs

Heavy Duty Coils

Q -Kind of a follow up question to last week’s email question, Ken from Lancaster, CA wrote and said he went to the local auto parts store and told them he wanted to raise his car about an Inch or two and they sold him heavy duty coil springs. But when he installed them the […]

Filed Under: Spring Manufacturing, Tech Question

Leaf Finish

Mike, Please can you inform what’s the best/correct finish for both the visible and invisible (IN THE STACK) parts of leaf springs? A couple of people I know insist on painting them totally including all in between the leafs, the normal for them bondaprimer / undercoat / enamel topcoat layers. (They do have to externally […]

Filed Under: Spring Manufacturing, Tech Question Tagged With: Leaf Springs

Leaf Liners, Powder Coat & U-Bolt Torque

Mike, I wish I had read your tech page about two months ago. I just had my leaf springs powder coated and I’ve re-assembled the front springs with poly liners between the leafs. Am I correct in assuming that your advice for nothing to be between the springs also applies to these poly liners? If […]

Filed Under: Spring Manufacturing, Tech Question Tagged With: Leaf Springs

Leaf Lubricant, Leaf Liners & Tip Inserts

Mike, I am overhauling a set of springs from a ’64 F250 that are in great shape. I’m getting a list together of hardware to order from you folks. I have read all your tips about coating/painting springs and not using grease between the leafs. My question is that I have heard some people recommend […]

Filed Under: Spring Manufacturing, Tech Question

Leaf Spring Clips III

Mike, I am curious if there is a part that the leaf spring clamps play with regards to the function of a rear leaf spring? Is there a difference for instance on how many clamps are placed on a five leaf set up as opposed to a four leaf, and are the locations of the […]

Filed Under: Spring Manufacturing, Tech Question Tagged With: Leaf Springs

Leaf Spring Rust

Mike, I purchased some custom lowered springs from you this past summer. They came unpainted and I put them on my car without painting them. Over the weekend I was putting her away for the winter and noticed that the springs were rusting. Should I be concerned about the rust and if so, what should […]

Filed Under: Spring Manufacturing, Tech Question Tagged With: Leaf Springs

Mono Leaf Springs

Mike, I want to install a set of mono leaf springs on my 1953 Ford f-100. I have a 383 Mopar with a 727 torque flight tranny. Will mono leafs support this unit safely? My friend has them on his with basically the same set up. His springs are straight out with no upward curve. […]

Filed Under: Spring Manufacturing, Tech Question Tagged With: Leaf Springs

Monoleaf Mistake

Mike, I bought monoleafs for my truck 8 years ago, not knowing the down side of using them. They sat around for 4 years before I put them on. They sit too low for my taste. To make matters worse, I was sold rear monos with a 6″ drop instead of 4″. Now they are […]

Filed Under: Replacing Springs, Spring Manufacturing, Tech Question Tagged With: Leaf Springs

Made In The U.S.A.

Mike, I recently bought a set of coil springs for my 1969 Camaro from you and someone is telling me you have them made in China. Is that true? I can’t find any info on your website or on the box I received them in. Gary Gary, All of our springs are MADE IN THE […]

Filed Under: Spring Manufacturing, Tech Question

Corvette Spring Pricing for OEM Quality Springs

Why are EATON Corvette springs more expensive than others?

Filed Under: Spring Manufacturing, Tech Question Tagged With: Leaf Springs

The Math Behind Cutting Coil Springs

Does cutting a coil change the spring rate?

Filed Under: Spring Manufacturing, Spring Ride Height, Tech Question Tagged With: Coil Springs, cutting coil springs

Drilling a Spring Will Damage Your Drill

Mike, I just bought a new pair of springs from you folks for my 62 Falcon. I don’t have a warranty because I have a stroker motor installed. I installed the springs on my Falcon and noticed a decent amount of slop between my spring perch and the leaf spring center pin. I took the […]

Filed Under: Spring Manufacturing, Tech Question Tagged With: Leaf Springs

Find Parts For Your Vehicle

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Can’t Find What You Need?

If you can’t find your vehicle in the above search form, be sure to call us! We are in the office every weekday. Call 1-313-963-3839

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Every Wednesday we send spring tech videos, articles about classic cars and hot rods, and feature customer vehicles in our showcase.

OEM Replacement & Custom Springs

  • Classic Cars Springs, Hot Rods, & More
  • Over 24,000 OEM Spring Blueprints
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  • Design Staff Available For Custom Applications
  • Spring Experts Since 1937
  • Made in Detroit, Michigan
  • Made in the U.S.A.

How To Order Springs For Your Vehicle

To find the correct springs for your vehicle, you need to provide as much information about your car as possible. There is no such thing as a one-size-fits-all spring.

We try to make this easy by providing many ways to order your springs and send in as much information as possible:

  1. Call Us at 1 (313) 963-3839
    For Quickest Order Completion
  2. Fill Out Our Quote Request Form
    To Spell Out Details
  3. Browse For Parts Online
    To Browse By Make, Model, Body Style, & Engine Size

Quick Spring Tech Videos

Listen To Our Classic Suspension Podcast

Franz Estereicher on Early Corvette Suspensions

Franz Estereicher on Early Corvette Suspensions

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Need Spring Wisdom?

Just ask the Spring Guru!
We love helping with any leaf or coil spring problem.

WARNING:

This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
www.P65Warnings.ca.gov

  • About EATON Detroit Spring, Inc.
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Locate & Connect To EATON Detroit Spring

EATON Detroit Spring, Inc.
1555 Michigan Avenue
Detroit, MI 48216
Phone: 1 (313) 963-3839
Fax: 1 (313) 963-7047
Email: inquiries@eatonsprings.com

Content Copyright 2020 EATON Detroit Spring, Inc.