Super Structure:
by Steve Chryssos VOLUME 1, ISSUE 1

I know what you’re thinking: “Does the world really need another aftermarket subframe for first gen F-bodies? The pie is already cut into far too many slices. Wayne Due, 21st Century, Fat Man, Martz, TCI, CARS, Chassisworks, C4, C5, Mustang II—it’s a long list. And yet, Detroit Speed made a decision to dive into that crowded pool. Kyle Tucker is not a stupid man; He’s not crazy either. Together with Stacy and the crew at DSE, they decided their clip is significant enough to beat the heavy competition. Actually, the subframe redefines how hot rod parts are designed and manufactured. Are we making strong claims? Sure. Are we ass kissing? Not a chance. This is MuscleRides. Grab a cup of coffee (you’ll need it—this article is long), sit back and I’ll explain the product as well as its impact on the hobby.

To date, aftermarket clip manufacturers have built subframes using traditional fabrication techniques including mitered and welded or mandrel bent rails. Crossmembers are generally built with tubing benders, while brackets and tabs are simplified two- dimensional parts. Racecar fabricators have used these techniques for decades with great results. The methodology works, but we don’t have any published strength and rigidity data for fabricated clips. We take the manufacturer’s word that the fabricated subframes are consistently straight and true. All we know is that the parts are stronger and lighter than “stamp and weld” 1960-something frames. That much is true.

But what if you walked past the typical fabrication equipment in your shop and headed straight for an even more important tool—the telephone? What if you were tight with folks at GM--the company that first implemented hydroformed frame rail technology? In plain English, hydroforming is water molded metal. Amazing stuff. According to hydroforming.net, the process has been around for almost a century, but GM was the first OE auto manufacturer to use the technology to produce frame rails. GM has since implemented hydroforming into more than two-dozen vehicle platforms. The technology is crazy expensive. GM has invested, like, one bazillion dollars (?) on plants, equipment and development. Why? Because, research has shown that the process saves weight, adds strength, increases stiffness and requires substantially less welding. Hydroforming offers vast improvements in dimensional accuracy, as well. Increased strength and stiffness results in better, more predictable ride and handling.

 The hydroforming process starts with a precut, hollow, round steel tube called a blank. Picture what looks like the world’s largest piece of exhaust tubing. A computerized bender roughly shapes the blank into the final form. From there, the tube is placed into a die where the ends are capped. Super duper high-pressure water (5,000 to 30,000psi or more!) is forced into the blank to create the finished part. Holes and slots can even be pierced while the part is still in the die. POOF! Except for final trimming, you get instant frame rails—just add water.

Who cares? It’s just a silly frame rail, right? Wrong. You don’t just slap together a hydroformed subframe. Significant digital firepower is required to make water mold metal. It’s a given that hydroforming is not a fly-by-night process. So you can confidently believe that this product is thoroughly engineered by computers and people with big brains. This subframe employs a dizzying amount of resources including time, money and, most important of all, engineering expertise. Hydroforming dies are EXPENSIVE. DSE deserves credit for bringing advanced technology to our little hot rod industry.

I’m sorry if I bored you with manufacturing mumbo jumbo. In case you missed my point (or skipped over it), DSE’s hydroformed subframe is light-years ahead of your factory frame—stiffer, stronger, lighter, and way more accurate. Think of it this way: Your stock “stamp & weld” 40 year-old subframe is a bowl of Jello, while DSE’s clip is a bottle of Viagra. This clip is stiff and ready for action. Now let’s talk about the stuff hanging off the fancy frame rails.

 

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