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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      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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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
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      • 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

Ride Quality Tech Articles, Videos, and More

A surprisingly smooth resto-mod. A heavy-load bearing truck. Ride quality considers the demands you plan to place on your vehicle and translates them to well-manufactured springs.

Browse the articles, videos, and questions below to explore the wide world of how springs support your vehicle and everything you want to do with it.

Got a question? Do not fear! Ask us today.

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

What is Spring Rate? And How Does It Effect My Ride?

Spring Rate, simply put, is the amount of rate required to deflect a spring one inch. But what does that mean to you? Simply put, spring rate is the amount of weight that is required to deflect or push down a spring one inch. It’s a bit more complicated than that, but this description will […]

Filed Under: Spring Tech Videos Tagged With: Measuring Springs, Ride Quality

Rubber Vs. Urethane Suspension Bushings

Bottom line: if you prefer comfort, go for rubber. If you need performance, go for urethane. Today’s subject is rubber versus urethane suspension bushings, and which are better. That answer depends on how the vehicle is to be used and what type of performance you desire. Rubber Bushings Rubber bushings are more compliant that is […]

Filed Under: Spring Tech Videos Tagged With: Attaching Parts, Leaf Springs, Ride Quality

The Difference Between Standard & Heavy Duty Springs

What is the difference between standard and heavy-duty springs? Quite simple! Heavy-duty springs are a bit stronger and will carry a heavier load than standard duty springs. A big misconception is that heavy-duty springs will set a vehicle higher. That is not true. Both standard duty and heavy duty springs will set a vehicle at […]

Filed Under: Spring Tech Videos Tagged With: 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

Calculating Spring Rate

Mike Eaton explains how to find your coils spring rate using a simple equation. This process is useful for those seeking to cut their coil springs, as it shows how cutting coils lead to a stiffer ride. (Hint: ordering new coils with custom specs, and you can preserve or even enhance your ride quality and […]

Filed Under: Spring Tech Videos Tagged With: Manufacturing Springs, Ride Quality, Spring Terms

Leaf Spring Ends And Hysteresis

Which leaf spring end-type is best for trucks, and which end-type gives you the smoothest riding springs? There are three basic types: square, diamond point, and rolled. Square Ends Square, or constant thickness ends, are great for trucks, terrible for cars. It puts a concentration of all the pressure at the end of the leaf, […]

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

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

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

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

Which Springs Have The Right Capacity For My Truck?

How should I choose which spring has the right capacity for my vehicle?

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

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

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

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

Pickup Ride Quality

I have a ’52 pickup with mono-leaf springs. Is there any way I can make it ride softer?

Filed Under: Tech Question Tagged With: Leaf Springs, Ride Quality

Stiff Ride

Hi Mike, I have a 1965 Chevy Impala convertible that I am trying to find front & rear springs for. I purchased a set of springs that (with the help of all the other stuff) make the car ride like a lumber wagon, I have been told that the front spring rate is 403.9 and […]

Filed Under: Tech Question Tagged With: Ride Quality, Shocks

Wheel Hop

What can I do to stop my wheel hop?

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

48 Inch Springs, Hot Rod Rides Like A Truck

Mike, I have a 1938 Chevrolet Coupe Street rod with rear leaf springs which are 48 Inches long. Someone told me they are Dodge truck springs. And I believe them because the car rides like a truck. Do you have a spring that would make the car ride better and also get rid of the […]

Filed Under: Tech Question Tagged With: Leaf Springs, Ride Quality

Diagnosing Severe Shimmy

The shimmy is so bad I have to stop the car to get the shimmy to stop. How should I fix this?

Filed Under: Tech Question Tagged With: Ride Quality

Diagnosing ‘Wiggle’ At High Speeds

Mike, First of all I want to thank you for letting me ask a question. I have a ’56 Belair with an LT-1, 700R Trans. This car did have a 454 in it when I got it. Anyway, since removing the 454 and installing the LT-1, I am having problems with the rear-end wiggling back […]

Filed Under: Tech Question Tagged With: Leaf Springs, Restoration, Ride Quality

Gasser Handling

Mike: I have a 1948 British Ford Anglia that was raced in the ’60 Gasser Wars. I have extremely large polyglass tires (33.5″ x 19.5″ mounted on Weld Draglite 15″ x 15″ Aluminum Wheels) on the rear, and as soon as I get the vehicle up to 35 mph, the vehicle likes to rock and […]

Filed Under: Tech Question Tagged With: Ride Quality, Shocks

How Do Lowering Springs Affect Ride Quality?

Mike, I want to lower my ’54 Ford but still keep it riding good, can this be done? -Jerry Jerry, Whenever a vehicle is lowered, there is a reduction in the amount of suspension travel. Because of this, the spring rate (how much weight it takes to deflect a spring one inch) is increased. Suspension […]

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

Panhard Bar

Do you really need a panhard bar?

Filed Under: Tech Question Tagged With: Ride Quality

I Cut My Coil Springs, Now They’re Too Stiff. Any Way To Correct This?

Mike, I purchased a set of your 2 Inch lowered springs for a 1979 AMC Pacer frontend that is installed on my 1954 3100 Pickup. To give it a more lowered stance my mechanic cut the springs, which in my opinion is to low but that is not the problem. It just rides way too […]

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

F150 Over Loads

Mike, I recently purchased from Eaton Spring new heavy-duty rear leaf springs for my 2003 Ford F-150 4WD pickup truck. I currently run a pair of Monroe Gas shocks on the rear.can you recommend an Eaton product that will provide more stability with heavy loads in the bed and towing heavy trailers. Regards – Rick […]

Filed Under: Tech Question Tagged With: Modern Vehicle, Ride Quality

Timbren

Mike, I recently purchased from Eaton Spring (about 8-12 mos. ago) new heavy-duty leaf springs for my 1989 Ford F-150 4WD pickup truck. I currently run a pair of Monroe Gas shocks on the rear. Can you recommend an Eaton product that will provide more stability with heavy loads in the bed and towing heavy […]

Filed Under: Tech Question Tagged With: Ride Quality

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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

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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.

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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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