Just because the manufacturer of your ride had their ideas about how she should sit does not mean you have to agree with them. How she sits, whether the factory look, or a stance more to your liking, is for you to decide. What About The Factory Stance? Because our early 20th century roads were […]
Coil Spring Tech Articles, Videos, and More
Over the years, we have taught thousands of street rodders and resto-modders the ins-and-outs of cutting coils and Mustang II front-ends.
Become a coil spring master! Browse through hundreds of articles, videos, and answered tech questions below. And if you don't find an answer? We are always happy to help.
Changing Coil Springs? Always Use A Coil Spring Compressor
Five Reasons Car Springs Break
A Few Tips For Installing Front Coil Springs
When Is It Time To Replace My Vehicle’s Springs?
Why Do My New Coil Springs Fall Out?
A customer writes in to ask why their new coil springs fall out so easily during installation. Coil springs that have been in a car for a long time accumulate all sorts of cruft and debris that eventually sticks it in place. My new coil springs are falling out, is this normal? Ask The Spring […]
Selecting Mustang II Springs For Your Street Rod
So you need springs for your street rod’s Mustang II front end. How do you pick a spring when there are 23 options? You’re building a street rod, and one of the changes you’ve made is you’ve replaced the stock front end with a Mustang II. Now you have to decide what spring to use! […]
Always Use Coil Spring Compressors When Installing Coil Springs
Whenever you are changing coil springs, especially the front springs, always use a coil spring compressor. Never try changing springs without a compressor. You will get hurt. For coils used on struts, use the compressor that grabs the coils on the outside. For non-strut coils, use the compressor that goes inside the spring. Need a […]
Cutting Coils Springs
Mike Eaton explains how to cut your coil springs for a desired ride height. Warning! Only Cut Springs With Tangential Ends Remember: only springs with a tangential end can be safely cut. Why’s that? Because square ends and pigtail ends are designed to make full contact with their mounting points and they would have to […]
Coil Spring Ends
The three basic coil spring ends are tangential, square, and pigtail. Here, Mike Eaton shows you how to recognize each type. We have three basic types of ends: Tangential Ends The end of the spring twists off into space. If you try to stand this spring up on its end it will fall over. Square […]
How To Use The Ordering Form
Here we show how you can use the online ordering form to have springs manufactured for your exact vehicle.
How To Order Leaf and Coil Springs Online
Go to the ordering page here.
How Coil Springs Are Made
Mike Eaton explains how coil springs are manufactured on this One Minute Monday.
Busting Suspension Myths Slideshow
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!
My New Coil Springs Are Falling Out, Is This Normal?
My mechanic says the new coil springs must not be right because the old ones were much more difficult to take out. Is this so?
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?
Should I Use Variable Rate Coil Springs for a Van?
Can I use variable rate coil springs on my van?
Are Welded Coil Springs Salvageable In Any Way?
My vehicle had coil springs welded to the lower perch. What should I do?
Stock Ride Height Is Too High, How Much Should I Cut My Front Springs?
Should I cut these coils, and how much should I cut them?
How Do I Find The Springs I Need On This Website?
I can’t find the springs I need online! Why is that?
Urethane and Rubber in Coil Spring Isolators and Bushings
Which isolator should I use? Is it the same material for the bushings?
Why We Don’t Pre-Band Coil Springs
Can you compress the coil springs before you ship them?
Can Coil Springs Have Two Different Ends?
Can a spring be both tangential and square?
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?
How Do I Find The Rate and Load Of My Coil Springs?
How can you tell what the coil rate and load is for my `67 A-Body?
How To Test Coil Spring Ride Height With Stock Springs
Will fresh factory coils or longer coils gain me some height?
How Do I Find The Right Coil Springs For My Mustang II Hot Rod?
My coil springs are rubbing on the the upper ball joint housing. Is this ok? What should I do?
How Much And When Do Coil Springs Settle? (Also, How To Choose The Right Mustang II Springs)
How much can one expect the springs to settle after installation?
Which Mustang II Front End Springs Should I Use?
The front springs on my street rod are sagging after installing a big block. How should I go about finding the right replacement springs?
How Are Ride Height Changes Calculated?
How do you measure ride height? What does plus/minus one inch actually mean?