Should U-Joints be replaced when installing new springs?
Leaf Spring Tech Articles, Videos, and More
Since 1937, we have manufactured leaf springs for the automotive industry, restorations, street rods, NASA, and even Oscar Meyer Wienermobiles. If you have a question about leaf springs, odds are we answered it below or would be happy to help.
Browse dozens of tech articles, videos, and answered questions from our Ask The Spring Guru page.
How Do I Find The Springs I Need On This Website?
I can’t find the springs I need online! Why is that?
New Mainplate Won’t Lower Your Vehicle
I bought a pair of cruddy leaf springs. What can you do to fix them?
Chromed Springs (A Disaster Waiting To Happen)
My chromed springs fatigued faster than grandma going up the stairs. Did chroming ruin my springs?
Urethane and Rubber in Coil Spring Isolators and Bushings
Which isolator should I use? Is it the same material for the bushings?
Reinstalling U-Bolts
Should I purchase new U-Bolts?
Removing Bushings in Leaf Spring Eyes
How should I remove my old spring eye bushings?
Different Spring Rates Doesn’t Mean Different Ride Height
Mike, I have a 1966 Mustang Coupe with a 200ci engine and 3 speed manual transmission. Not a speed demon by any account. The rear end is sagging so I want to get a pair of leaf springs from Eaton. I’ve heard nothing but rave reviews from the Mustang forum I frequent. I’m undecided whether […]
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 […]
Stock Mono Leaf vs. Multi-Leaf Replacement
Is there an advantage to putting multi-leaf springs on a vehicle with mono-leaf 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 […]
Leaf Spring Clips III
Mike, I am curious if there is a part that the leaf spring clamps play with regards to the function of a rear leaf spring? Is there a difference for instance on how many clamps are placed on a five leaf set up as opposed to a four leaf, and are the locations of the […]
How Are Ride Height Changes Calculated?
How do you measure ride height? What does plus/minus one inch actually mean?
Springs & Air Bags
Mike, I have a 1968 Camaro Hardtop that I want to lower 2 Inches in the rear. I have headers and dual exhaust, which sometimes scrape on the driveway, so I want to install air bags to lift it as required. My question is, how does this affect the suspension and spring rate? Can I […]
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 […]
Pickup Ride Quality
I have a ’52 pickup with mono-leaf springs. Is there any way I can make it ride softer?
’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 […]
Leaf Spring Rust
Mike, I purchased some custom lowered springs from you this past summer. They came unpainted and I put them on my car without painting them. Over the weekend I was putting her away for the winter and noticed that the springs were rusting. Should I be concerned about the rust and if so, what should […]
Powder Coating & Chroming Springs
Is powder coating, painting, or chroming the best way to finish 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 […]