Learn About Leaf & Coil Springs
Smart car enthusiasts work with the best information, and the best leaf and coil spring information comes from the manufacturers who’ve been around since the industry began.
We have hundreds of articles covering all the pains, problems, and conundrums you’ll face with leaf and coil springs. Plus, our Spring Guru will answer any question you send, even if it’s not in the archive.
Bookmark this page to always have the world’s leading Spring Tech resource only a click away — exactly when you’ll need it.
"Thanks to you and your very informative web site, I am much more knowledgeable on the subject and now have this tremendous resource at my disposal to refer to."
Jerry
Jerry
Get Your FREE Spring Tech Education
Get This Free Ebook & Master Spring Tech Basics TODAY!
Browse Our Tech Archive
Troubleshooting Springs
- Got Driveline Vibration? Check Your U-Bolts
- How Leaf Spring Lowering Blocks Cause Axle Wind Up
- How To Fix Squeaking Leaf Springs
- So You Installed Some New Springs
- Spring Rate Vs Load Rate
- Vibrations After Installing New Springs?
- When Should I Replace My Springs?
- When To Replace Your Springs
- Why Do My New Coil Springs Fall Out?
Custom Designing Springs
- Axle Wrap Cause And Fix
- Corvair Clip on a Street Rod, vs Mustang II
- How Effective Wheel Weight Can Change What Springs You Need
- How Much And When Do Coil Springs Settle? (Also, How To Choose The Right Mustang II Springs)
- How To Get Rid Of Airshocks On 1940 Ford?
- Hudson Street Rod
- Monoleaf Springs
- Replacement Springs For Splitting A Wishbone
- Shock And Springs Fight Each Other In A ’64 Straight Axle Vette
- When Do I Install Coil Springs On A Hot Rod? What Do I Do Until Then?
- Which Mustang II Front End Springs Should I Use?
Measuring Springs
- All About Leaf Spring Centerbolts
- Busting Suspension Myths Slideshow
- How Do I Find The Rate and Load Of My Coil Springs?
- How Do I Find The Right Coil Springs For My Mustang II Hot Rod?
- How To Measure Leaf Spring U-Bolts
- How To Measure Leaf Springs
- How To Measure Shocks
- How To Test Coil Spring Ride Height With Stock Springs
- Measuring Leaf Spring Free Arch
- Measuring Ride Height Drop From Reversing Leaf Spring Eyes
- Spring Rate Vs Load Rate
- What is Spring Rate? And How Does It Effect My Ride?
Ordering Springs
- Are Welded Coil Springs Salvageable In Any Way?
- Camaro Replacement Spring Options
- Can I Use Mustang II Springs On A Corvair Suspension?
- Choosing Correct Springs For Your ’71 Camaro
- Designing Special Trailer Springs
- How Do I Find The Right Coil Springs For My Mustang II Hot Rod?
- How Do I Find The Springs I Need On This Website?
- How To Interpret Ford Part Numbers
- How To Measure Leaf Springs
- How To Order Leaf and Coil Springs Online
- How To Use The Ordering Form
- Mono-Leaf Springs Generally Not Recommended
- Reusing Old Leaves
- Should I Use Variable Rate Coil Springs for a Van?
- The Difference Between Important Spring Terms
- Trans Am Build Dates
- Which Springs Have The Right Capacity For My Truck?
Ride Quality
- 48 Inch Springs, Hot Rod Rides Like A Truck
- Busting Suspension Myths Slideshow
- Calculating Spring Rate
- Can I Use Mustang II Springs On A Corvair Suspension?
- Diagnosing ‘Wiggle’ At High Speeds
- Diagnosing Severe Shimmy
- Do Lowered Cars Have Stiffer Rides?
- F150 Over Loads
- Gasser Handling
- How Do Lowering Springs Affect Ride Quality?
- I Cut My Coil Springs, Now They’re Too Stiff. Any Way To Correct This?
- Leaf Spring Ends And Hysteresis
- Panhard Bar
- Pickup Ride Quality
- Removing Leaves Causes Handling Issues
- Should I Use Variable Rate Coil Springs for a Van?
- Stiff Ride
- The Difference Between Standard & Heavy Duty Springs
- Timbren
- Urethane and Rubber in Coil Spring Isolators and Bushings
- What is Spring Rate? And How Does It Effect My Ride?
- Wheel Hop
- Which Springs Have The Right Capacity For My Truck?
- Will Two Coil Spring Isolators Reduce Road Noise Further?
Modifying Springs
- Are Welded Coil Springs Salvageable In Any Way?
- Axle Pads and Converting to Multi Leaf Springs
- Can I Use Rear Springs On The Front Of My Vehicle?
- Chromed Springs (A Disaster Waiting To Happen)
- Cutting Coil Springs
- Cutting Coils Springs
- Do Lowered Cars Have Stiffer Rides?
- Grease Between Leaves
- Greasing Leaf Springs
- How To Paint Leaf Springs
- How To Remove Bushings
- Leaf Finish
- Leaf Liners, Powder Coat & U-Bolt Torque
- Never Weld Springs (Do This Instead)
- Never Weld To A Spring
- New Mainplate Won’t Lower Your Vehicle
- Rearching C1 Corvette Springs
- Reducing Inter-Leaf Friction: Leaf Lubricant or Leaf Liners & Tip Inserts?
- Removing Leaves Causes Handling Issues
- Reusing Old Leaves
- Stock Ride Height Is Too High, How Much Should I Cut My Front Springs?
- The Danger of Improperly Chromed Springs
- U-Bolt Welding
- When & Whether To Powdercoat, Chrome, or Paint Your Springs
- Will Two Coil Spring Isolators Reduce Road Noise Further?
Installing Springs
- Always Use Coil Spring Compressors When Installing Coil Springs
- Axle Pads and Converting to Multi Leaf Springs
- Camaro Rear Height: Will New Springs Settle?
- Camaro Wheels Rubbing Due To Sagging Springs
- Can I Use Rear Springs On The Front Of My Vehicle?
- Finishing Your Spring Install
- Get Your U-Bolt Torque Right
- How Easy Changing Leaf Springs Really Is
- How Important Is The Spring Saddle?
- How Much Will Springs Settle?
- How To Readjust Tip Inserts Into Place
- How To Reinstall A Rear Leaf Spring
- How To Remove A Leaf Spring
- How To Remove Bushings
- Installing Model A Leaf Springs
- Installing New Springs Is Like Putting On New Shoes
- Leaf Liners, Powder Coat & U-Bolt Torque
- My New Coil Springs Are Falling Out, Is This Normal?
- Reinstalling U-Bolts
- Removing Bushings in Leaf Spring Eyes
- So You Installed Some New Springs
- U-Bolt Torque
- Vibrations After Installing New Springs?
- Why Are Spring Eye Bushings Wider Than The Spring?
- Why Do My Leaf Springs Look Different?
- Why We Don’t Pre-Band Coil Springs
Replacing Springs
- ’69 Camaro Stock Leaf Count: Only Three Plates?
- 1966 Corvette F41 Suspension: Why Buy From EATON Detroit Spring?
- 1969 Camaro Mono to Multi Leaf Conversion
- Corvette Rear, Steel Spring Rearching and Fiberglass
- Diagnosing Weird Arch In Spring: Missing Leaves
- Engine Swap
- EZ Ride Shackles on 1967-71 F100
- F-Body Leaf Springs
- Ford Woodie Leaning
- How Do I Know If I Need To Replace My Coil Springs?
- How Effective Wheel Weight Can Change What Springs You Need
- Is Bottoming Out Caused By Shocks or Coil Springs?
- Keep Your U-Bolts Properly Torqued! Broken Center Bolt
- Leaf Spring Clips
- Leaf Spring Length & Arch
- Leaf Spring Life Span
- Leaf Springs Changing Wheelbase
- Lubricating Leaf Springs
- Monoleaf Mistake
- My Nova Coils Are Too Stiff. How Do We Find Softer Rate Springs?
- Powder Coating & Chroming Springs
- Reinstalling U-Bolts
- Removing Bushings in Leaf Spring Eyes
- Replacement Springs For Splitting A Wishbone
- Shocks Raise Rear Of ’56 Bel-Air
- So You Installed Some New Springs
- Spring Width For 38 Plymouth
- Stock Mono Leaf vs. Multi-Leaf Replacement
- We Help You Pick The Right Springs: 1971 Trans Am Leaf Spring
- When Should I Replace My Springs?
- When To Replace Your Springs
- Ziebart
Manufacturing Springs
- All About Our Spring Steel
- Axle Wrap Cause And Fix
- Calculating Spring Rate
- Corvair Clip on a Street Rod, vs Mustang II
- Corvette Spring Pricing for OEM Quality Springs
- Drilling a Spring Will Damage Your Drill
- Grease Between Leaves
- Greasing Leaf Springs
- Heavy Duty Coils
- How Effective Wheel Weight Can Change What Springs You Need
- How Leaf Springs Are Made
- How Much And When Do Coil Springs Settle? (Also, How To Choose The Right Mustang II Springs)
- How To Get Rid Of Airshocks On 1940 Ford?
- How To Interpret Ford Part Numbers
- Hudson Street Rod
- Leaf Finish
- Leaf Liners, Powder Coat & U-Bolt Torque
- Leaf Liners’ Effect on Spring Rate
- Leaf Spring Clips III
- Leaf Spring Ends And Hysteresis
- Leaf Spring Rust
- Made In The U.S.A.
- Mono Leaf Springs
- Mono-Leaf Springs
- Monoleaf Mistake
- Monoleaf Springs
- Never Weld Springs (Do This Instead)
- Rearching C1 Corvette Springs
- Reducing Inter-Leaf Friction: Leaf Lubricant or Leaf Liners & Tip Inserts?
- Replacement Springs For Splitting A Wishbone
- Shock And Springs Fight Each Other In A ’64 Straight Axle Vette
- Spring Rate Vs Load Rate
- Springs & Air Bags
- The Math Behind Cutting Coil Springs
- Three Types of Leaf Spring
- When Do I Install Coil Springs On A Hot Rod? What Do I Do Until Then?
- Which Mustang II Front End Springs Should I Use?
Ride Height & Stance
- Adding Leaves Vs Rearching or Replacing Leaf Spring
- Busting Suspension Myths Slideshow
- Camaro Rear Height: Will New Springs Settle?
- Camaro Wheels Rubbing Due To Sagging Springs
- Can I Cut Coil Springs With Pigtail Ends?
- Cutting Coil Springs
- Cutting Coil Springs
- Different Spring Rates Doesn’t Mean Different Ride Height
- Do Heavy Duty Springs For ’63 Galaxies Change Ride Height?
- Do Lightened Front Ends Need Lower Springs or Drop Spindles?
- Do Lowered Cars Have Stiffer Rides?
- Extreme High Lift Springs
- How Are Ride Height Changes Calculated?
- How Complete Does My Car Need To Be Before It Sits Right On New Coil Springs?
- How Do I Find Firebird Front End Springs With The Right Spring Rate?
- How Do Lowering Springs Affect Ride Quality?
- How Leaf Spring Lowering Blocks Cause Axle Wind Up
- How Much And When Do Coil Springs Settle? (Also, How To Choose The Right Mustang II Springs)
- How Much Can Coils Lower My Resto-Mod, Should I Check The Alignment?
- How Much Will Springs Settle?
- How To Test Coil Spring Ride Height With Stock Springs
- If Not Rear Springs, What Causes A Leaning GTO?
- Is There A Trade Off Between Comfort and Handling? (Also, Diagnosing a Leaning Bonneville)
- Leaf Springs with Extreme Lift
- Lowering a ’67 Chevy Nova Wagon
- Lowering Blocks
- Lowering Mono Leafs
- Measuring Ride Height – Don’t Use A Jack Stand
- Measuring Ride Height Drop From Reversing Leaf Spring Eyes
- New Mainplate Won’t Lower Your Vehicle
- Raising A 1966 GTO: Coil Springs Vs Air Shocks
- Ride Height Difference
- Ride Height Problems
- Shocks Raise Rear Of ’56 Bel-Air
- Should I Cut Coil Springs or Use Dropped Spindles?
- Springs & Air Bags
- Stock Ride Height Is Too High, How Much Should I Cut My Front Springs?
- The Difference Between Standard & Heavy Duty Springs
- The Math Behind Cutting Coil Springs
- Using Blocks To Adjust Ride Height
- Why Is My Car Sit Higher With New, Stock Ride Height Springs?
- Why Is The Nose of My Unfinished Vehicle High After Installing New Coil Springs?
- Will Stretching Then Cutting Coil Springs Increase Spring Rate While Maintaining Ride Height?
Coil Spring Tech Questions
- Always Use Coil Spring Compressors When Installing Coil Springs
- Are Welded Coil Springs Salvageable In Any Way?
- Busting Suspension Myths Slideshow
- Can Coil Springs Have Two Different Ends?
- Can I Cut Coil Springs With Pigtail Ends?
- Can I Use Mustang II Springs On A Corvair Suspension?
- Coil Spring Ends
- Cutting Coil Springs
- Cutting Coils Springs
- Do Lightened Front Ends Need Lower Springs or Drop Spindles?
- How Are Ride Height Changes Calculated?
- How Coil Springs Are Made
- How Complete Does My Car Need To Be Before It Sits Right On New Coil Springs?
- How Do I Find Firebird Front End Springs With The Right Spring Rate?
- How Do I Find The Rate and Load Of My Coil Springs?
- How Do I Find The Right Coil Springs For My Mustang II Hot Rod?
- How Do I Find The Springs I Need On This Website?
- How Do I Know If I Need To Replace My Coil Springs?
- How Do Lowering Springs Affect Ride Quality?
- How Effective Wheel Weight Can Change What Springs You Need
- How Much And When Do Coil Springs Settle? (Also, How To Choose The Right Mustang II Springs)
- How Much Can Coils Lower My Resto-Mod, Should I Check The Alignment?
- How To Get Rid Of Airshocks On 1940 Ford?
- How To Order Leaf and Coil Springs Online
- How To Test Coil Spring Ride Height With Stock Springs
- How To Use The Ordering Form
- I Cut My Coil Springs, Now They’re Too Stiff. Any Way To Correct This?
- If Not Rear Springs, What Causes A Leaning GTO?
- Is There A Trade Off Between Comfort and Handling? (Also, Diagnosing a Leaning Bonneville)
- My New Coil Springs Are Falling Out, Is This Normal?
- My Nova Coils Are Too Stiff. How Do We Find Softer Rate Springs?
- Should I Cut Coil Springs or Use Dropped Spindles?
- Should I Use Variable Rate Coil Springs for a Van?
- Stock Ride Height Is Too High, How Much Should I Cut My Front Springs?
- The Math Behind Cutting Coil Springs
- Urethane and Rubber in Coil Spring Isolators and Bushings
- When Do I Install Coil Springs On A Hot Rod? What Do I Do Until Then?
- Which Mustang II Front End Springs Should I Use?
- Why Do My New Coil Springs Fall Out?
- Why Is My Car Sit Higher With New, Stock Ride Height Springs?
- Why Is The Nose of My Unfinished Vehicle High After Installing New Coil Springs?
- Why We Don’t Pre-Band Coil Springs
- Will Stretching Then Cutting Coil Springs Increase Spring Rate While Maintaining Ride Height?
- Will Two Coil Spring Isolators Reduce Road Noise Further?
Leaf Spring Tech Questions
- ’69 Camaro Stock Leaf Count: Only Three Plates?
- 1966 Corvette F41 Suspension: Why Buy From EATON Detroit Spring?
- 1969 Camaro Mono to Multi Leaf Conversion
- 48 Inch Springs, Hot Rod Rides Like A Truck
- Adding Leaves Vs Rearching or Replacing Leaf Spring
- All About Leaf Spring Centerbolts
- Axle Wrap Cause And Fix
- Busting Suspension Myths Slideshow
- Camaro Rear Height: Will New Springs Settle?
- Camaro Replacement Spring Options
- Camaro Wheels Rubbing Due To Sagging Springs
- Can I Use Rear Springs On The Front Of My Vehicle?
- Choosing Correct Springs For Your ’71 Camaro
- Chromed Springs (A Disaster Waiting To Happen)
- Corvette Rear, Steel Spring Rearching and Fiberglass
- Corvette Spring Pricing for OEM Quality Springs
- Designing Special Trailer Springs
- Diagnosing ‘Wiggle’ At High Speeds
- Diagnosing Weird Arch In Spring: Missing Leaves
- Different Spring Rates Doesn’t Mean Different Ride Height
- Do Heavy Duty Springs For ’63 Galaxies Change Ride Height?
- Drilling a Spring Will Damage Your Drill
- EZ Ride Shackles on 1967-71 F100
- F-Body Leaf Springs
- Ford Woodie Leaning
- Get Your U-Bolt Torque Right
- Grease Between Leaves
- Greasing Leaf Springs
- How Are Ride Height Changes Calculated?
- How Do I Find The Springs I Need On This Website?
- How Do Lowering Springs Affect Ride Quality?
- How Easy Changing Leaf Springs Really Is
- How Important Is The Spring Saddle?
- How Leaf Spring Lowering Blocks Cause Axle Wind Up
- How Leaf Springs Are Made
- How To Fix Squeaking Leaf Springs
- How To Measure Leaf Spring U-Bolts
- How To Measure Leaf Springs
- How To Order Leaf and Coil Springs Online
- How To Paint Leaf Springs
- How To Properly Torque Your Leaf Spring’s U-Bolts
- How To Readjust Tip Inserts Into Place
- How To Reinstall A Rear Leaf Spring
- How To Remove A Leaf Spring
- How To Remove Bushings
- How To Use The Ordering Form
- How We Make Our Leaf Springs (6 Minute Video)
- Hudson Street Rod
- If Not Rear Springs, What Causes A Leaning GTO?
- Installing Model A Leaf Springs
- Is There A Trade Off Between Comfort and Handling? (Also, Diagnosing a Leaning Bonneville)
- Keep Your U-Bolts Properly Torqued! Broken Center Bolt
- Leaf Finish
- Leaf Liners, Powder Coat & U-Bolt Torque
- Leaf Liners’ Effect on Spring Rate
- Leaf Spring Clips
- Leaf Spring Clips III
- Leaf Spring Ends And Hysteresis
- Leaf Spring Life Span
- Leaf Spring Rust
- Leaf Springs Changing Wheelbase
- Lowering a ’67 Chevy Nova Wagon
- Lowering Blocks
- Lowering Mono Leafs
- Lubricating Leaf Springs
- Measuring Leaf Spring Free Arch
- Measuring Ride Height Drop From Reversing Leaf Spring Eyes
- Mono Leaf Springs
- Mono-Leaf Springs
- Mono-Leaf Springs Generally Not Recommended
- Monoleaf Mistake
- Monoleaf Springs
- Never Weld To A Spring
- New Mainplate Won’t Lower Your Vehicle
- Pickup Ride Quality
- Powder Coating & Chroming Springs
- Rearching C1 Corvette Springs
- Rebound Clips Group Leaves To Make Them Stronger Together
- Reducing Inter-Leaf Friction: Leaf Lubricant or Leaf Liners & Tip Inserts?
- Reinstalling U-Bolts
- Removing Bushings in Leaf Spring Eyes
- Removing Leaves Causes Handling Issues
- Replacement Springs For Splitting A Wishbone
- Reusing Old Leaves
- Ride Height Difference
- Rubber Vs. Urethane Suspension Bushings
- Shock And Springs Fight Each Other In A ’64 Straight Axle Vette
- Shocks Raise Rear Of ’56 Bel-Air
- Should I Replace One Broken Leaf Or Whole Spring?
- Spring Width For 38 Plymouth
- Springs & Air Bags
- Stock Mono Leaf vs. Multi-Leaf Replacement
- Studebaker Truck Springs
- Three Types of Leaf Spring
- U-Bolt Torque
- U-Bolt Welding
- U-Joint Problem
- Urethane and Rubber in Coil Spring Isolators and Bushings
- Using Blocks To Adjust Ride Height
- We Help You Pick The Right Springs: 1971 Trans Am Leaf Spring
- What Are Tip Inserts Used For In Leaf Springs?
- Which Direction Should Leaf Springs Be Bowed?
- Which Springs Have The Right Capacity For My Truck?
- Why Are Spring Eye Bushings Wider Than The Spring?
- Why Do My Leaf Springs Look Different?
- Ziebart
Attaching Parts Tech Questions
- Axle Pads and Converting to Multi Leaf Springs
- Get Your U-Bolt Torque Right
- Got Driveline Vibration? Check Your U-Bolts
- How To Measure Leaf Spring U-Bolts
- How To Order Leaf and Coil Springs Online
- How To Properly Torque Your Leaf Spring’s U-Bolts
- How To Readjust Tip Inserts Into Place
- How To Remove Bushings
- How To Use The Ordering Form
- Rebound Clips Group Leaves To Make Them Stronger Together
- Reinstalling U-Bolts
- Removing Bushings in Leaf Spring Eyes
- Rubber Vs. Urethane Suspension Bushings
- U-Bolt Torque
- U-Bolt Welding
- U-Joint Problem
- Urethane and Rubber in Coil Spring Isolators and Bushings
- Wheel Hop
- Why Are Spring Eye Bushings Wider Than The Spring?
- Will Two Coil Spring Isolators Reduce Road Noise Further?
Can’t Find An Answer?
Have a Question? Ask The Experts!
Ask Your Own Question
We’ll respond as soon as we can! If you’re question is great, we’ll ask to put it on the site to help hot rodders down the road.