Mike, I have a 1938 Chevrolet Coupe Street rod with rear leaf springs which are 48 Inches long. Someone told me they are Dodge truck springs. And I believe them because the car rides like a truck. Do you have a spring that would make the car ride better and also get rid of the […]
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.
Leaf Liners’ Effect on Spring Rate
Hi Mike, I just read your comment about Delrin inserts and it raised three more related questions I don’t believe I have ever seen answered. The first is, does using a full length insert change the thickness of the spring pack? Secondly, what effect do full length inserts have on spring rate? Finally, in general […]
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 […]
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 […]
Leaf Liners, Powder Coat & U-Bolt Torque
Mike, I wish I had read your tech page about two months ago. I just had my leaf springs powder coated and I’ve re-assembled the front springs with poly liners between the leafs. Am I correct in assuming that your advice for nothing to be between the springs also applies to these poly liners? If […]
Monoleaf Springs
Can mono-leaf springs be dangerous?
Diagnosing ‘Wiggle’ At High Speeds
Mike, First of all I want to thank you for letting me ask a question. I have a ’56 Belair with an LT-1, 700R Trans. This car did have a 454 in it when I got it. Anyway, since removing the 454 and installing the LT-1, I am having problems with the rear-end wiggling back […]
Reducing Inter-Leaf Friction: Leaf Lubricant or Leaf Liners & Tip Inserts?
Mike, I am overhauling a set of springs from a ’64 F250 that are in great shape. I’m getting a list together of hardware to order from you folks. I have read all your tips about coating/painting springs and not using grease between the leafs. My question is that I have heard some people recommend […]
Mono Leaf Springs
Mike, I want to install a set of mono leaf springs on my 1953 Ford f-100. I have a 383 Mopar with a 727 torque flight tranny. Will mono leafs support this unit safely? My friend has them on his with basically the same set up. His springs are straight out with no upward curve. […]
Shock And Springs Fight Each Other In A ’64 Straight Axle Vette
Howdy, I have a 64 vette, with a Strange Ford 9”. Yes, it’s a 64 straight axle car. Former drag car. It’s set up like a 62 for the leaf springs. I have 4 leaf springs on there now, which are for a 62, which I purchased from a local vette resto shop. They have […]
Why Do My Leaf Springs Look Different?
Mike, Bought a set of OEM rear leaf springs for my ’70 Boss 302 Mustang. I have no problem with the quality and specs of these springs but, when you advertized OEM correct replacement springs…. I was really disappointed when they arrived that they didn`t look the same in appearance detail as the factory units. […]
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 […]
Axle Wrap Cause And Fix
Fixing and understanding axle wrap
Corvette Spring Pricing for OEM Quality Springs
Why are EATON Corvette springs more expensive than others?
Drilling a Spring Will Damage Your Drill
Mike, I just bought a new pair of springs from you folks for my 62 Falcon. I don’t have a warranty because I have a stroker motor installed. I installed the springs on my Falcon and noticed a decent amount of slop between my spring perch and the leaf spring center pin. I took the […]
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 […]
F-Body Leaf Springs
Good Morning, I have a 1967 Firebird that presently has a mono leaf spring and air shocks. I would like to get rid of the air shocks. The majority of the time the car is used for cruising with one or two people. However, sometimes my daughters ride with us to cruises. We also use […]
Ford Woodie Leaning
Hi Mike, My woodie is a show car, all stock to Early Ford V8 standards. It lists low on driver’s side like a big guy has driven it daily for years, with no other weight or passengers along. I’ve not been able to locate any info on “leveling” the car. As you probably know it […]
Do Heavy Duty Springs For ’63 Galaxies Change Ride Height?
Hello, I have a question about 1963 Ford Galaxie rear leaf springs. I was told that a 1963 Galaxie with 6 leaf spring packs sits 3 Inches lower than a car with 5 leaf spring packs. Do you agree with this? Thank you for your time, -Cliff Cliff, The one who is spreading this information […]
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