How To Add Subframe Connectors To Your Fourth-Gen F-Body

Free shipping via UPS Ground for orders of $1000 or more (excludes sub-frames). G-Machine Front Subframe. It required basic hand tools and no more than an hour's time. No cutting or modification of floor pans subframe connectors are full length. When developing a passenger vehicle, chassis engineers strive to provide occupants with a balance of predictable handling and ride comfort. Mounting Points||2 Mounting Points|. Those bolts are 3/8 of an inch in diameter and are held in place with small nut clips and will not hold up. It's bolted to a compact body shell containing integral rear frame rails. Article Courtesy of Author: Rocky Rotella. And some of the best-engineered units available today can make installation a cinch. The sporty four-seater was a decent handler when introduced in 1967.

  1. 2nd gen camaro subframe connectors ground clearance
  2. Third gen camaro frame connectors
  3. 2nd gen camaro subframe connectors hardware
  4. 2nd gen camaro subframe connectors

2Nd Gen Camaro Subframe Connectors Ground Clearance

"For a tunnel-brace torque arm car, the stiffness improvement of a three-point connector is worth the extra weight, and because it's as low as possible and in the middle of the car. The subframe connectors do not attach to the leaf spring front bracket bolts. In spirited driving maneuvers, the Trans Am seemed to be more responsive with less body flex. It saves a few bucks for those that know a given installation will be permanent. 2002 two-point subframe connectors, "We believe that the fourth-gen F-body can use all the help it can get when it comes to body stiffness and subframe connectors are helpful in nearly every application. Hotchkis Sport Suspension 4013 1974-1981 Camaro/Firebird Sub Frame Connectors. It can be bolted or welded. Improves vehicle traction. We immediately noticed before ever leaving the neighborhood that the car felt more solid taking the bumps and dips found in our typical Midwest side streets.

While that may be better suited for a dedicated race vehicle where removing all traces of flex can be the difference between finishing first or a close second, bolt-in sub-frame connectors can be just as effective for a street car. UMI offers its 1993-2002 F-body subframe connectors in two- and three-point designs. A performance car needs to be very solid for precision handling and removing deflection allows the suspension to control vehicle movement. When new, isolation and ride quality with a subframe can be good, but with time and miles the subframe, and everything bolted to it moves around. Reduces Chassis Flex.

Thread: Subscribe / Thread Tools. We were impressed with how tight it remained after all those miles- a testament to the overall engineering quality of the fourth-generation F-body. As a guest, you can browse the forums without an account. "Our goal was to develop a series of subframe connectors with perfect fitment and easy installation with normal tools found in the average shop. The aftermarket quickly found that positively tying the front and rear sub-frames together only expanded on the 1993-2002 Firebird's already excellent ride and handling qualities and counteracted the negative effects that occur as miles accumulate. The rear mount is a weld in while the front mount is a bolt in with the option to weld. To bridge the unsupported distance between the front subframe and the rear suspension, multiple styles of mandrel-bent 2x2" subframe connectors are available for bolt-in installation with factory or Chassisworks' front subframes. Installation of these connectors does not require modifications or cutting of the floor boards. In its final redesign for the 1993 model year, in addition to retaining its integral rear frame rails, engineers incorporated an integral front subframe that was welded onto the body shell in an attempt at increasing overall structural integrity.

Third Gen Camaro Frame Connectors

Two bushings are included with subframe connectors. A good way to tell if a given application needs its bolt-on units welded into place is to check for witness marks on the power coated contact surfaces. The subframe connector sandwiches between the factory frame and the body. When Pontiac was handed a nearly-completed Camaro in which to create its 1967 Firebird, John DeLorean challenged his engineering team with making Pontiac's F-car handle better than Chevrolet's.

A bolt-on cradle then supported the engine while the front suspension was connected to it. UMI Performance's most popular F-body subframe connectors are produced using American-made DOM seamless mild steel tubing that measures 1. Subframes are powder coated black. 120 wall rectangular steel. 75-inches thick and has a wall thickness of 0. At speed on the highway, the Firebird rode and drove smoother, and the cowl and t-tops seemed to shake and/or rattle less.

Allows Harder Launches. We couldn't help but wonder if a set of quality subframe connectors could improve upon that, however. If the car is in a collision, the frame needs to be replaced by unbolting the subframe: bolting to the original frame works because the material of the factory frame is 3/16 thick, all the sides are being bolted. Despite its improvements over the years, the fourth-gen Firebird chassis was still susceptible to flexing. The assembly is then MIG welded together and powder coated to maximize durability and appearance. This means the subframe connector is going to the back of the factory subframe and extend to the rear structural support rail going over the differential. "Because we change our shop cars around so often, we design all our subframe connectors as bolt-on units first, " Womer explained.

2Nd Gen Camaro Subframe Connectors Hardware

Follow along as we successfully improve the body rigidity of our 1999 Trans Am in less than an hour. Boxed sub-frame connectors are also available for those that prefer that look. There's nothing more rewarding than successfully completing a task that yields positive results. Pontiac marketed its Firebird to our shared segment. Fortunately, there's a simple and cost-effective solution to counteract that. "There was a period during automotive development where engineers considered a rubber-mounted sub-frame a better isolator than a full frame, " said Adams. If you own a fourth-generation F-body and are interested in quickly and easily improving its ride and handling qualities, give serious thought to a set of bolt-on subframe connectors from UMI Performance. Once back on the road, we drove our Trans Am in a variety of conditions. Subframe connectors should be installed with the vehicle at a level height and that can be accomplished by supporting it with high-quality jack stands. The task of any suspension system is to control body movement. The suspension expert's efforts were so successful that it directly led development and release of the WS4 Trans Am Option in midyear 1969.

Features: Powder Coated Gloss Black Finish TIG-welded Fabricated from 1. Show Printable Version. Shipping charges will apply to Alaska, Hawaii, Puerto Rico and all other destinations. Interloc body mount bushings should be used if subframes are installed.

No exhaust modifications are required. You'll likely be just as impressed as we were. When we purchased our 1999 Trans Am, it was in excellent condition despite the 95, 000 miles that showed on its odometer. To join the community and gain access to members-only features, and the ability to reply to threads & post ones of your own, click here. For years, aftermarket companies have produced components that solidly connect the front and rear frame rails of uni-body vehicles. The subframe connector is welded to the uni-body portion of the chassis, not bolted. A bolt-in, factory-welded, center support with optional driveshaft loop can also be added to further stiffen the chassis and strengthen the lower suspension mounting area. We began offering ours for '93-02 GM F-body in January 2004. Switch to Hybrid Mode.

2Nd Gen Camaro Subframe Connectors

It also slows or stops the notorious door latch trouble that happens when these cars get very fast. " Additional information. Over its 35-year life span, GM's Firebird and Camaro featured uni-body construction. They're also virtually undetectable from any angle, which allows us to maintain our 1999 Trans Am's factory-stock appearance. We recommend three-point connectors when using a tunnel-brace-mounted torque arm for the slight increase in body rigidity and security because of the extra tie-in point, " he said. 1970-81 Subframes, Body Mount Bushings. The high-quality units fit extremely well and hang no lower than the factory frame rails, so reduced ground clearance isn't a concern.

That middle ground is generally satisfactory for the average consumer who drives a typical sedan. "Either system can work equally well with a fully developed vehicle, but subframes were the way everyone was going during the time when Chevrolet originally developed the F-car, and that's what he had to work with on the Firebird. Tucked-in design gives excellent ground clearance. Typical symptoms most identifiable with fourth-gen vehicles is cowl shake and t-top rattles. Does not require cutting or modifying the floor. One person tasked with carrying out DeLorean's mission was Herb Adams. Subframe Connector System. At first they required cutting and/or welding, which made installation challenging and permanent. Firebird and Camaro owners experienced what Adams described above—over time the front sub-frame can deflect when pushed hard into corners or uneven road surfaces. Then there are performance enthusiasts like you and I.

"A little-known fact is that our weld-in units are exactly the same as our bolt-ons except that they lack the bolt kit. As suspension technology improved, the Firebird's chassis continued to evolve and the final generation rode and handled infinitely better than its patriarch, especially when equipped with the optional WS6 Ram Air and Handling package that included up-level components.