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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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
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      • Dodge Truck
      • Edsel
      • Ford
      • Ford Truck
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      • GMC
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      • Hudson Truck
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      • Plymouth Truck
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      • Sterling
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      • 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!
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  • Order Here
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    • Request A Quote
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  • Find Parts That Fit Your Vehicle
  • Click to Call Now: 1 (313) 963-3839

Replacing Springs - Tech Articles, Videos, and More

Choosing, removing, installing, and settling new springs in.

You're going to need some time (and possibly some cuss words), but a whole lot less of both if you check out the articles, videos, and questions here.

Got your own question? Ask us and save yourself the headache of figuring it out on your own.

How To Install (And Remove) Your Leaf Springs

Like most things in the automotive world, removing and installing leaf springs is simple in theory, but can be difficult in practice. So watch these videos, set aside an afternoon, and keep your band-aids and favorite cuss words nearby. Until you get your new leaf springs on, it will be a bumpy ride. Removing Leaf […]

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

Tools You’ll Need When Improving Your Car

(Note: We may earn a commission on purchases made through links.) If you’re like everybody else, you’re really not working on your ride. You’re fixing it. Also known as improving. And whenever we fix anything, let’s face it, we are really taking something apart. Sockets and End Wrenches So the first tools on your list […]

Filed Under: Spring Tech Videos Tagged With: Attaching Parts, Installing Springs, Replacing Springs

Five Reasons Car Springs Break

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

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

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

So You Installed Some New Springs

What to do with your fresh spring installation

Filed Under: Spring Tech Article Tagged With: Installing Springs, Replacing Springs, Troubleshooting Springs

When Should I Replace My Springs?

The short answer is “when you need to.” The long answer tells you how to know that. Click for the long answer.

Filed Under: Spring Tech Article Tagged With: Replacing Springs, Troubleshooting Springs

Reinstalling U-Bolts

Should I purchase new U-Bolts?

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

Removing Bushings in Leaf Spring Eyes

How should I remove my old spring eye bushings?

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

Is Bottoming Out Caused By Shocks or Coil Springs?

Mike, I have a ’79 Camaro with 350 engine with A/C and I have replaced the shocks but still have problem with front end bottoming out when I hit a dip in the road going over 45mph. What do you recommend? Thanks – Fred Fred, Contrary to what many think, shocks do not hold up […]

Filed Under: Tech Question Tagged With: Replacing Springs, Shocks

Spring Width For 38 Plymouth

I have a 1938 Plymouth and I have heard that I should replace the springs that are 1.75-inches wide with ones that are 2.5-inches wide. Can the springs be made with narrow eyes so the existing hangers can be used? – Rick Rick, Yes, springs can be made wider with narrower eyes fit the hangers. […]

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

Leaf Spring Clips

Q -Mike A quick questions for you. I purchased springs for all four corners of my ’70 Camaro Z28 last fall and have installed them. About the rear leaf springs, do the bands that hold the leafs together get removed after installing? Or do they stay there? I ask because I also have a ’66 […]

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

Ziebart

Dear Mike, I was hoping that you would be able to enlighten me some on the leaf spring failure that occurred on my 1991 Jeep Grand Wagoneer. The vehicle has around 140,000 miles on the odometer and has never seen a Buffalo winter or been abused. A few weeks back I was on my way […]

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

Leaf Spring Length & Arch

Mike, When measuring a leaf spring, I assume that the front part and the rear part of the spring’s dimensions “When following the curve”of the spring is the same for both a standard arch spring & a high arch spring. If this is true, what happens to the rear shackle? I wouldn’t think that it […]

Filed Under: Tech Question Tagged With: Replacing Springs

1966 Corvette F41 Suspension: Why Buy From EATON Detroit Spring?

Hi Mike, I’m in the market for a F41 Spring for my 1966 Corvette with F41 suspension. Currently the car has the original GM spring with the curled and notched ends. My concern is that it has obvious pitting under the paint and I’m afraid to re- use it. I have narrowed my choices down […]

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

Keep Your U-Bolts Properly Torqued! Broken Center Bolt

Know about your U-bolt torque. It’ll save your springs!

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

Diagnosing Weird Arch In Spring: Missing Leaves

Dear Mike, I have a 1948 Chevrolet Fleetline Aerosedan two-door; lowered three Inches in the front by one Inch shorter coils and two Inch dropped spindles, and lowered four Inches in the rear by two Inch lowered reverse eye flattened springs and two Inch lowering blocks. My problem is this: the front and rear ride […]

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

Corvette Rear, Steel Spring Rearching and Fiberglass

Q -Mike, Hope you can give me some direction here. I have an ’81 Corvette that has one side lower than the other in the rear. The local shop replaced the rear tie bolts, but it still is tilting to one side. They think it is the leaf spring and recommends I replace it with […]

Filed Under: Tech Question Tagged With: Leaf Springs, Replacing Springs, Restoration

Shocks Raise Rear Of ’56 Bel-Air

Mike, I have a stock 1956 Belair which is sitting kind of low in the rear. I have installed new Load Leveler shocks that raised the rear a little, but I need to raise rear another 1-2 Inches. Can this be done with just adding a leaf? The original springs appear to be OK, she […]

Filed Under: Tech Question Tagged With: Leaf Springs, Replacing Springs, Restoration, Ride Height & Stance

We Help You Pick The Right Springs: 1971 Trans Am Leaf Spring

Mike, I am currently restoring a 1971 TA. I plan on replacing the rear springs but am having difficulty determining which ones are correct for my car. First off, all 1971 TAs came with the 455HO motor and F60x15 tires. When I do a search on your website using “Trans Am” under body style, the […]

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

Leaf Spring Life Span

Q -Mike How long is the typical working life of a passenger car leaf spring? Should I be concerned about the primary leaf failing and possibly causing an accident? There are 5 leaves in the pack with at least one appearing broken at the center. The vehicle is a ’78 Plymouth Volare station wagon with […]

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

Leaf Springs Changing Wheelbase

Mike, I had new rear mono leafs installed on my 1967 Camaro Convertible and the result is my wheelbase is now 1.25″ shorter. I had ordered (not from you guys unfortunately) leaf springs, could I have received the wrong ones? Do you have the measurements of your/the proper monos that I can compare against? I […]

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

Lubricating Leaf Springs

Mike, Several weeks ago I brought two rear leaf springs to you for service and repair. While there, you explained that automotive leaf springs shouldn’t be lubricated. There is currently a discussion of this going on in our internet discussion board. Our manuals (1940-50 era) tell us to grease the springs. You have said that […]

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

’69 Camaro Stock Leaf Count: Only Three Plates?

Mike, I have a 1969 Camaro with a 350, and a 4 speed. It has multi leaf springs but I only count 3 plates. I want to order from you new springs should I order 4 leaf heavy duty OR 5 leaf standard? I want the car to be close to its stock stances. John […]

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

Stock Mono Leaf vs. Multi-Leaf Replacement

Is there an advantage to putting multi-leaf springs on a vehicle with mono-leaf springs?

Filed Under: Tech Question Tagged With: Leaf Springs, Replacing Springs, Restoration

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

My Nova Coils Are Too Stiff. How Do We Find Softer Rate Springs?

Mike, I have a ’72 Nova sub frame under my street rod and stock springs are way to stiff. Do you know what the spring rate of a stock Nova with a V-8 is and do you have softer front springs? – Ron Ron, The 72 Nova with a V8 used many different springs. The […]

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

1969 Camaro Mono to Multi Leaf Conversion

Mike, I have a 69 Camaro coupe with monoleaf rear springs. Would like to convert them over to 4 leaf springs and would like to know if your conversion kit will work and not have any gaps in-between the shock plate and the spring perch ? And does it require the rubber pads? Thanks, Steve […]

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

Powder Coating & Chroming Springs

Is powder coating, painting, or chroming the best way to finish springs?

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

How Effective Wheel Weight Can Change What Springs You Need

Dear Mike, We met in Richmond, VA at the NSRA show last August. My car is a 1937 Packard convertible with Fat Man suspension and Mustang II coil springs. The springs had sagged to the point that the lower A-arms were not level but were going up toward each wheel. It had been suggested by […]

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

Replacement Springs For Splitting A Wishbone

Mike, I would like to inquire about a front spring for a 1937 Ford Coupe, at this time it has an original front spring. I would like to know what my options might be. From a single spring, to a reverse eye spring, or anything else you may suggest. Let me give you a little […]

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

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OEM Replacement & Custom Springs

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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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