b'GM F/X AUTOX-RSXOur Heavy-Duty, Decoupled Torque Arm & Watts Link Combination is the Perfect Rear Suspension for Remarkably High GripThat Allows You to Keep the Back Seat in Your GM Muscle Car. It Can Be Changed to Non-Decoupled with Three Bolts, if Desired. The AUTOX-RSX is Designed for Quick & Easy Tuning for Track Conditions with Double Adjustable ShocksQuik-Tune Rear Roll Center (Watts Link)Quik-Tune Ride-Height & Corner Weight Adjusters (Rear Only)and 7 Fine Tuning Rates on the Rear Sway Bar. If You Want an Amazing Autocross GM Muscle CarThis is Your Package. This Package is Designed to Run 18 Wheels with 315s All Around. To Do this Requires DSE Mini Tubs in the Rear. Stock Fenders Work in the Front, Although You Will Need New Inner Fenderwells, Either Aftermarket or Custom. You Can Run 335s All Around if You Utilize Aftermarket Wider Fiberglass Fenders or Custom Widened Fenders in the Front. The AUTOX-RSX is Designed to Have a Ride Height of 4.00 from the Frame to the Ground (at the Firewall) & Sit with a 0.5 Rake Down in the Front. This Setup is Designed with Optimized Geometry for Autocross to Dive 2-5/8 Under Hard Braking & Roll 1.0 Dynamically in the Corners with Serious High Grip & Turning Performance. Ron Designed the Geometry to Meet Speedtechs Goal that the Dynamic Roll Center Would Be Good, Regardless of Setup. So, if an Owner Runs Stiff Springs & Only Travels the Front End 1, or Soft Springs & Travels the Front End 3, the Roll Center is in a Good Place. Not Optimum, but Good.Watch This Video Showing All the Advantages of the ExtRemeFront Clips & Chassis The STANDARD ExtReme Geometry Does NOT Migrate the Roll Center to the Inside Tire, Like Our Optimized Setup Does. For Our AUTOX-RSX Package, We Change the Ball Joints to Howe Zero Stictionand the Ball Joint Heightsto Achieve the Optimum Geometry, Front End Grip & Turning Performance at a Target Travel of 2-5/8Optimum for Autocross Competition. You Can See the Geometry Results Comparisons Visually on the Opposite Page. The Standard Speedtech Geometry is on Top. The RSRT Optimized Geometry is Below.Dynamically (Under Braking & Turning) the Roll Center is Thousandths Above the Ground & Migrated to the INSIDE TireLiterally Under the Inside Tire. You Can See the Roll Center (Black Dot) Under the Left Front Tire in the Suspension Analyzer Screen Shot on the Next Page.Calculate in the Ackerman (2.45 @ 15.0 Steering) Low 1 Scrub Radius, 8.0 Spindles, High Caster & Accurate Camberand You Have Optimum Contact Patches AND Optimum Slip Angles on BOTH Front Tires. This Creates a Very High Grip Front End (a 114 Rating)Capable of Winning CAM, GG & GTV Autocross Competition Events & Impressing People What Your Older GM Muscle Car Can Do!144'