If your vehicle rides OK, sits OK, and the leaves and coils look OK, then your springs are OK. If you want to change your stance or ride quality, or if a spring is broken in any way, it’s time to replace your springs. Give us a call and we’ll be glad to help.
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.
So You Installed Some New Springs
What to do with your fresh spring installation
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.
Reinstalling U-Bolts
Should I purchase new U-Bolts?
Removing Bushings in Leaf Spring Eyes
How should I remove my old spring eye bushings?
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 […]
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 […]
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 […]
’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 […]
Stock Mono Leaf vs. Multi-Leaf Replacement
Is there an advantage to putting multi-leaf springs on a vehicle with mono-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 […]
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 […]
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 […]
Powder Coating & Chroming Springs
Is powder coating, painting, or chroming the best way to finish 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 […]
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. […]
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 […]
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 […]
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 […]
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 […]
Keep Your U-Bolts Properly Torqued! Broken Center Bolt
Know about your U-bolt torque. It’ll save your 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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
How Do I Know If I Need To Replace My Coil Springs?
Dear Eaton Tech Person, I am rebuilding a 1978 Ford, 4×4, F150, Standard Cab, 400 cu In. engine, truck for a series of articles. Even though the vehicle’s front springs appear to be fine, and it was not overly low in the front end on teardown, I am considering the replacement of the springs. The […]
Engine Swap
Q-Mike, I am refurbishing a 1979 Firebird and removing the 403 engine. I am installing a Pontiac 455 with a/c and auto tranny. Estimated horsepower: 450. I will be replacing the coil springs and need advice on the additional weight requiring a stronger spring. If this isn’t enough information, just send me an email. This […]
EZ Ride Shackles on 1967-71 F100
Mike, Your online listings for rear leaf springs to fit a 1966 F100 show springs with or w/o EZ ride shackles. Can you tell me what are/were EZ ride shackles? Is this an optional shackle that was offered by Ford at the time? How do I identify if my truck has them if it has […]