EATON Detroit Spring

The leading manufacturer of leaf and coil springs for the street rod and restoration automotive 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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      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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  • Click to Call Now: 1 (313) 963-3839
MENUMENU
  • Home
  • Products
    • Suspension Parts
      • Leaf Springs
      • Coil Springs
      • Shocks
      • Attaching Parts And Hardware
      • Installation Kits
      • Leaf Spring Shackle Replacement Kits & Parts
    • Street Rod Suspension Parts
      • Mustang II Front End Springs
      • 48 Inch Truck Springs
    • Allstate - Chrysler
      • Allstate
      • American Motors
      • Bricklin
      • Buick
      • Cadillac
      • Chevrolet
      • Chevrolet Truck
      • Chrysler
    • Daimler - Ford
      • Daimler
      • DeSoto
      • Dodge
      • Dodge Truck
      • Edsel
      • Ford
      • Ford Truck
    • GMC - Jeep
      • GMC
      • Honda
      • Hudson
      • Hudson Truck
      • Hummer
      • International
      • Jeep
    • Kaiser Darrin - Nissan
      • Kaiser Darrin
      • Kaiser-Frazer
      • LaSalle
      • Lincoln
      • MAHINDRA
      • Mercury
      • MG
      • Nash
      • Nissan
    • Oldsmobile - Rambler
      • Oldsmobile
      • Plymouth
      • Plymouth Truck
      • Pontiac
      • Rambler
    • Sterling - Willys
      • Sterling
      • Studebaker
      • Studebaker Truck
      • Toyota
      • Willys
    • Request A Custom Quote
    • Search For Parts Here
  • Spring Tech
    • Learn About Leaf & Coil Springs
      • Spring Tech Articles
      • Tech Questions
      • Spring Tech Videos
      • Featured Elsewhere
      • EATON Detroit Spring Podcast
      • Buy Ford Manuals
    • 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.

    • Browse By Topic
      • Leaf Springs
      • Coil Springs
      • Attaching Parts
      • Ride Height & Stance
      • Ride Quality
      • Manufacturing Springs
      • Replacing Springs
      • Modifying Springs
      • Ordering Springs
  • About Us
    • About EATON Detroit Spring
    • Customer Showcase
    • Send Us Photos Of Your Ride!
    • Free Stuff For Car Shows!
    • Facebook
    • YouTube Channel
      • Spring Tech Videos
  • Order Here
    • Lookup & Purchase Your Vehicle's Parts
    • Request A Quote
    • Email Our Sales Team
    • Dealer Information
  • Find Parts That Fit Your Vehicle
  • Click to Call Now: 1 (313) 963-3839

Coil Spring Tech Articles, Videos, and More

Over the years, we have taught thousands of street rodders and resto-modders the ins-and-outs of cutting coils and Mustang II front-ends.

Become a coil spring master! Browse through hundreds of articles, videos, and answered tech questions below. And if you don't find an answer? We are always happy to help.

All About Ride Height in Leaf & Coil Spring Vehicles

All About Ride Height

Just because the manufacturer of your ride had their ideas about how she should sit does not mean you have to agree with them. How she sits, whether the factory look, or a stance more to your liking, is for you to decide. What About The Factory Stance? Because our early 20th century roads were […]

Filed Under: Spring Tech Videos Tagged With: Coil Springs, Leaf Springs, Modifying Springs, Ride Height & Stance

Changing Coil Springs? Always Use A Coil Spring Compressor

Filed Under: Spring Tech Videos Tagged With: Coil Springs, Installing Springs

Five Reasons Car Springs Break

Filed Under: Spring Tech Videos Tagged With: Coil Springs, Leaf Springs, Replacing Springs, Ride Quality

A Few Tips For Installing Front Coil Springs

Filed Under: Spring Tech Videos Tagged With: Coil Springs, Installing Springs

When Is It Time To Replace My Vehicle’s Springs?

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

Why Do My New Coil Springs Fall Out?

A customer writes in to ask why their new coil springs fall out so easily during installation. Coil springs that have been in a car for a long time accumulate all sorts of cruft and debris that eventually sticks it in place. My new coil springs are falling out, is this normal? Ask The Spring […]

Filed Under: Spring Tech Videos Tagged With: Coil Springs, Troubleshooting Springs

Selecting Mustang II Springs For Your Street Rod

So you need springs for your street rod’s Mustang II front end. How do you pick a spring when there are 23 options? You’re building a street rod, and one of the changes you’ve made is you’ve replaced the stock front end with a Mustang II. Now you have to decide what spring to use! […]

Filed Under: Spring Tech Videos Tagged With: Coil Springs, Ordering Springs, Spring Tech 101

Always Use Coil Spring Compressors When Installing Coil Springs

Whenever you are changing coil springs, especially the front springs, always use a coil spring compressor. Never try changing springs without a compressor. You will get hurt. For coils used on struts, use the compressor that grabs the coils on the outside. For non-strut coils, use the compressor that goes inside the spring. Need a […]

Filed Under: Spring Tech Videos Tagged With: Coil Springs, Installing Springs

Cutting Coils Springs

Mike Eaton explains how to cut your coil springs for a desired ride height. Warning! Only Cut Springs With Tangential Ends Remember: only springs with a tangential end can be safely cut. Why’s that? Because square ends and pigtail ends are designed to make full contact with their mounting points and they would have to […]

Filed Under: Spring Tech Videos Tagged With: Coil Springs, Modifying Springs

Coil Spring Ends

The three basic coil spring ends are tangential, square, and pigtail. Here, Mike Eaton shows you how to recognize each type. We have three basic types of ends: Tangential Ends The end of the spring twists off into space. If you try to stand this spring up on its end it will fall over. Square […]

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

How To Use The Ordering Form

Here we show how you can use the online ordering form to have springs manufactured for your exact vehicle.

Filed Under: Spring Tech Videos Tagged With: Attaching Parts, Coil Springs, Leaf Springs, Ordering Springs, Shocks

How To Order Leaf and Coil Springs Online

Go to the ordering page here.

Filed Under: Spring Tech Videos Tagged With: Attaching Parts, Coil Springs, Leaf Springs, Ordering Springs, Shocks

How Coil Springs Are Made

Mike Eaton explains how coil springs are manufactured on this One Minute Monday.

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

Busting Suspension Myths Slideshow

2017 NSRA Education Days

Mike will be at the Kentucky Expo Center for the NSRA Street Rod Nationals this Thursday busting suspension myths to pieces. Preview his presentation below and be sure to catch it if you go!

Filed Under: Spring Tech Article Tagged With: Coil Springs, Collector Car Tech, Leaf Springs, Measuring Springs, Ride Height & Stance, Ride Quality, Shocks, Spring Terms

My New Coil Springs Are Falling Out, Is This Normal?

My mechanic says the new coil springs must not be right because the old ones were much more difficult to take out. Is this so?

Filed Under: Tech Question Tagged With: Coil Springs, Installing Springs, Spring Troubleshooting

Can I Use Mustang II Springs On A Corvair Suspension?

I’m looking to make my car a daily driver. Would Mustang II coils be a good choice?

Filed Under: Tech Question Tagged With: Coil Springs, Ordering Springs, Ride Quality, Spring Manufacturing, Street Rod

Should I Use Variable Rate Coil Springs for a Van?

Can I use variable rate coil springs on my van?

Filed Under: Tech Question Tagged With: Coil Springs, Ordering Springs, Ride Quality

Are Welded Coil Springs Salvageable In Any Way?

My vehicle had coil springs welded to the lower perch. What should I do?

Filed Under: Tech Question Tagged With: Coil Springs, Modifying Springs, Ordering Springs, Spring Troubleshooting

Stock Ride Height Is Too High, How Much Should I Cut My Front Springs?

Should I cut these coils, and how much should I cut them?

Filed Under: Tech Question Tagged With: Coil Springs, Modifying Springs, Ride Height & Stance

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: Tech Question Tagged With: Coil Springs, Leaf Springs, Ordering 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: Tech Question Tagged With: Attaching Parts, Coil Springs, Leaf Springs, Ride Quality, Spring Manufacturing

Why We Don’t Pre-Band Coil Springs

Can you compress the coil springs before you ship them?

Filed Under: Tech Question Tagged With: Coil Springs, Installing Springs

Can Coil Springs Have Two Different Ends?

Can a spring be both tangential and square?

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

Will Two Coil Spring Isolators Reduce Road Noise Further?

Is there an advantage to using coil spring isolators on the bottom as well as the top of springs?

Filed Under: Tech Question Tagged With: Attaching Parts, Coil Springs, Modifying Springs, Ride Quality

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: Tech Question Tagged With: Coil Springs, Measuring Springs

How To Test Coil Spring Ride Height With Stock Springs

Will fresh factory coils or longer coils gain me some height?

Filed Under: Tech Question Tagged With: Coil Springs, Measuring Springs, Ride Height & Stance

How Do I Find The Right Coil Springs For My Mustang II Hot Rod?

My coil springs are rubbing on the the upper ball joint housing. Is this ok? What should I do?

Filed Under: Tech Question Tagged With: Coil Springs, Measuring Springs, Ordering Springs, Street Rod

How Much And When Do Coil Springs Settle? (Also, How To Choose The Right Mustang II Springs)

How much can one expect the springs to settle after installation?

Filed Under: Tech Question Tagged With: Coil Springs, Custom Designing Springs, Manufacturing Springs, Ride Height & Stance, Street Rod

Which Mustang II Front End Springs Should I Use?

The front springs on my street rod are sagging after installing a big block. How should I go about finding the right replacement springs?

Filed Under: Tech Question Tagged With: Coil Springs, Custom Designing Springs, Manufacturing Springs, Street Rod

How Are Ride Height Changes Calculated?

How do you measure ride height? What does plus/minus one inch actually mean?

Filed Under: Tech Question Tagged With: Coil Springs, Leaf Springs, Resto-Mod, Ride Height & Stance

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OEM Replacement & Custom Springs

  • Classic Cars Springs, Hot Rods, & More
  • Over 24,000 OEM Spring Blueprints
  • 166,000+ Stock Spring Applications
  • 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

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Need Spring Wisdom?

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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

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