Q -I ordered a set of coil springs so my 1969 GTO would sit 1 Inch lower. But when I put them on the car sat higher than it did with the old springs. How come? Don – New York A – Don, Remember when you placed the order with Gary he said asked how […]
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.
Is There A Trade Off Between Comfort and Handling? (Also, Diagnosing a Leaning Bonneville)
Q – I’m interested in new springs for my 64 Bonneville. I bought new springs from XYZ Company 2 years ago and I’m not happy with the results. When I was having them installed the mechanic said one of the rear springs was bad so I got a replacement. I wanted a pair, but they […]
Can I Cut Coil Springs With Pigtail Ends?
Q -Mike, I have a Riviera that I want lowered about 2 Inches in the rear. You don’t make lowered springs for this car, something about not enough demand. So what I want to do is cut the coils. Is this alright? Frank from Seattle A -Frank, in a lot of cases it is fine […]
Cutting Coil Springs
Mike, I need to lower the front of my car approximately 1 to 1 1/2inches. I understood from your " Question of The Week "answer, that you would cut an Inch off the spring to lower it an Inch but people are telling me that I am reading that wrong and that I would have […]
Will Stretching Then Cutting Coil Springs Increase Spring Rate While Maintaining Ride Height?
Mike, I cannot believe I finally found a spring expert! I have read all your tech articles and thank you very much for sharing your knowledge. Now for my question – Can you take an existing spring, stretch it and then shorten it to get a stiffer spring rate while keeping the car at 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 […]
The Math Behind Cutting Coil Springs
Does cutting a coil change the spring rate?
How To Get Rid Of Airshocks On 1940 Ford?
I have a street rod that uses the frame of a 1980 Cutlass LS which I believe is called a GM G Body. The car is a 1940 Ford two door coach. It has the rear springs form the original ’80 Cutlass in it and they are too weak so I use air shocks to […]
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 […]
I Cut My Coil Springs, Now They’re Too Stiff. Any Way To Correct This?
Mike, I purchased a set of your 2 Inch lowered springs for a 1979 AMC Pacer frontend that is installed on my 1954 3100 Pickup. To give it a more lowered stance my mechanic cut the springs, which in my opinion is to low but that is not the problem. It just rides way too […]
How Do I Find Firebird Front End Springs With The Right Spring Rate?
Mike: I have a 1976 Firebird front stub grafted to my 1936 Chevy. The stub has been narrowed 2 ½”, the drag link has been sleeved, and the engine moved back 11 Inches to accommodate the radiator. The front springs now are too stiff and carry the car like a 4 wheel drive vehicle. The […]
