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

Modifying Springs: Tech Articles, Videos, and More

You like your springs, but perhaps they sit too high. What's the harm in cutting them to size? It depends.

Become a spring modification wizard and avoid disastrous pitfalls by reading through our tech articles and watching videos listed below.

Got a question about your project? Ask us today! 

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

Powder Coating Vs Painting Leaf Springs

Paint is paint, and I sure hope you do not need an explanation. Powder coating, on the other hand, is kind of like paint, but the finish is harder and tougher. How To Paint Your Springs With paint, once the spring is been cleaned of rust, dust and other junk, you simply hang the spring […]

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

Why Lowering and Lifting Blocks Can Cause Axle Wind-Up

We all know the quickest and cheapest way to change the ride height of a leaf spring equipped vehicle is by using blocks between the axle and a spring. Heck, it can’t get any simpler. Remove the U-bolt, slip a block in, bolt her back up, and, wa-la, a new stance. But there’s a price […]

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

Do Lowered Cars Have Stiffer Rides?

Here, Mike explains why lowering your vehicle can cause a stiffer ride, how a vehicle can be lowered too much, and explains the safe threshold to lower your vehicle with new springs and minimal effect on ride quality. You’ve installed springs on your vehicle that will set it lower than stock ride height, and it […]

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

The Danger of Improperly Chromed Springs

We get asked what our thoughts on chroming springs are often. We have to admit, a chrome spring looks real bitchin’, but it can be a disaster waiting to happen. An improperly chromed spring can lead to what is known as hydrogen embrittlement. Hydrogen embrittlement can cause a spring to shatter like a piece of […]

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

How To Paint Leaf Springs

First step, make sure it’s done in a well-ventilated area. Hang the spring by one of its eyes. Start by wiping the spring with acetone to remove any contaminates: grease oil dirt etc. Use a good quality high-temperature engine paint, color of your choosing, and give the springs three, four, or five light coats of […]

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

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: Tech Question Tagged With: Modifying Springs

Never Weld Springs (Do This Instead)

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

Filed Under: Spring Tech Article Tagged With: Manufacturing Springs, Modifying Springs, Spring Troubleshooting

Cutting Coil Springs

Under certain circumstances, you can cut coil springs. Read on to find out how, why, and when to cut your coils.

Filed Under: Spring Tech Article Tagged With: Modifying Springs, Ride Height & Stance

Removing Leaves Causes Handling Issues

Should I remove spring leaves to make my vehicle sit level?

Filed Under: Tech Question Tagged With: Leaf Springs, Modifying 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

Can I Use Rear Springs On The Front Of My Vehicle?

I installed rear springs at the front of my vehicle. It seems to be fine. Is there something I’m missing?

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

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: Tech Question Tagged With: Leaf Springs, Modifying Springs

Axle Pads and Converting to Multi Leaf Springs

Where should I put my axle pads?

Filed Under: Tech Question Tagged With: Attaching Parts, Installing Springs, Modifying Springs

How To Remove Bushings

I tried burning out my bushings and it didn’t seem to work. I didn’t ruin my springs did I? How should I continue?

Filed Under: Tech Question Tagged With: Attaching Parts, Installing Springs, Leaf Springs, Modifying Springs

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

Rearching C1 Corvette Springs

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

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

Chromed Springs (A Disaster Waiting To Happen)

My chromed springs fatigued faster than grandma going up the stairs. Did chroming ruin my springs?

Filed Under: Tech Question Tagged With: Leaf Springs, Modifying Springs

Reusing Old Leaves

Why are my springs sagging after the rebuild?

Filed Under: Tech Question Tagged With: Leaf Springs, Modifying Springs, Ordering Springs

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

U-Bolt Welding

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

Filed Under: Tech Question Tagged With: Attaching Parts, Leaf Springs, Modifying 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: Tech Question Tagged With: Installing Springs, Leaf Springs, Manufacturing Springs, Modifying Springs

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: Tech Question Tagged With: Leaf Springs, Manufacturing Springs, Modifying 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: Tech Question Tagged With: Leaf Springs, Manufacturing Springs, Modifying 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: Tech Question Tagged With: Leaf Springs, Manufacturing Springs, Modifying Springs

Reducing Inter-Leaf Friction: Leaf Lubricant or 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: Tech Question Tagged With: Leaf Springs, Manufacturing Springs, Modifying Springs

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OEM Replacement & Custom Springs

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  • Spring Experts Since 1937
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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:

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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

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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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