We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. Here, you can see a number of different roll cages installed in a variety of cars out of the Alston Race Cars shop. Five quick and dirty tips to help you build a better roll cage to SFI specifications. Our Roll Cage – a Chris Alston’s Chassisworks pre-bent 10-point. As you can see from the photos, building a roll cage typically requires stripping a car to its bones. One of the most crucial decisions you’ll make when building your own roll cage is deciding on the materials that you are going to use. It will only cause you heartburn down the line.

These bolt-in cages are pre-engineered and designed for specific makes and models, with patented clamp collar components that tie the cage to the structure of the car for safety and rigidity. Building your own roll cage makes for an excellent project, but if you are not confident that your welds will be of a high enough quality then you should leave it to a professional. This is no bolt in cage, it was designed to be a part of your Jeep, and protect passengers. Everything you need to know to clear that out is in there. By nature and pound for pound, chromoly is a stronger material than mild steel, and that allows for chromoly to be a thinner wall tubing (.083″ compared to .113″). Beyond this, there are 10, 12, and 14-point designs that provide more structural integrity. At the surface, a roll bar and a roll cage are designed to accomplish one very critical goal — to keep the driver safe should they be involved in an accident;  particularly a crash that involves the shiny side down.
Not one of our cages has ever failed. “Some people say ‘well chromoly is stronger’, and it is stronger on its own, if you took equal tubing of the same wall thickness and tested them side-by-side, but they’re allowing you to run a thinner wall thickness with chromoly to save some weight and still equal the same structure, strength-wise,” explains Gene Giroud of Wild Rides Race Cars. If you’re considering building a roll bar/cage yourself, we’d suggest if you’re not already an NHRA member, to either get yourself signed up or pick up a copy of the NHRA Rulebook, which is available for $10 from the NHRA Store online.

I was going to buy them but I cant find a place in Canada that sells them and the places in the US are expensive to ship them. To access the plans, go to www.SFIFoundation.com/drag-racing-chassis and choose the designation that suits your car and target speeds. Resources for Amateur and Pro Auto Mechanics. Cline says the biggest determining factor in the price of a car isn't chromoly versus mild steel, it's whether you choose MIG or TIG welding. “Technically they’re the same strength, and chromoly is an upgraded material that will certainly save you some weight, but 99-percent of people buy the mild steel because of the price.”. From there, you can go with a 6-point roll bar that includes a driver and passenger side door bar, while an 8-point setup includes a pair of rear-facing side bars for extra support of the main hoop. Although geared toward the muscle car and street crowd, this kit is in fact NHRA-legal for cars running 10.99 and slower. All rights reserved.

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