b'GM F/X RACE-STAR AIXTailored Bump Stop Package for Road Course Track Days: oAdvanced Bump Stop Set-up Tailored for Your Car by Ron SuttonoCrates Consistent, Confident Braking & Corner Entry oDrive it DeepNo Worries. Easily Tunable in Under a Minute oSpecific Progressive Rate Bump Stops for Soft Landing oShim Assortment & Ron Sutton Track Tuning Guide IncludedBolt-On Front Driveshaft Loop Required by NASA:oWelded 1-Piece Design FITS YOUR CAR oTop Version Fits 70-81 F-Body/75-79 X-Body oLower Version Fits 67-69 F-Body & 68-74 X-Body oMounts to Floor Just Behind Transmission Yoke oMounting Hardware Included oStronger & Lighter Than the Universal Bolt-Together Type Driveshaft Loops Fastener Options: oAll RSRT Race Cars & Components Come with 170,000 PSI Tensile Strength, Gold Zinc Finished, 12-Point Boltswith AN Washers & AN Nylock Nuts as the BASE Fasteners oWe Offer Kits to Replace All of These Bolts with Your Choice of Titanium or Forged Thread, Hollow Chromoly Bolts oHollow Chromoly are 150KSI Tensile Strength / Rated Grade 8 oTitanium Bolts are 138-140 KSI / Grade 5 = 105-120KSI) oHollow Chromoly Bolts are 5-10% Stronger & 5-10% Heavierthan Titanium Bolts, But Cost 50-65% Less oDiscuss What Achieves Your Goals & Budget with Ron SuttonTech Tip 25: The goal of dialing in your camber, caster & toe is to achieve the largest tire contact patch possible dynamically, when the car is in pitch & roll, under hard braking & turning in the corner. Forget static settings. Dynamic tire contact patch is our focus. Use tire temps across the tire to guide you on how well you are utilizing the entire contact patch. Plus, when the car is in dive, your front CG is lower AND more air flow is going over the car, instead of under it. Both of these benefits add front grip. Of course, the lower the car in dive, the lower the CG & the lower volume of airflow getting under the carthe larger the gain. But when the driver steps off the brakes, deep into the corner, the stored energy from the compressed front springs pushes the front end up in milliseconds. You instantly have less contact patch & a higher CG. In less than a second, youll also have more airflow under the front end. All bad. This is why most cars go into a push condition, upon brake release.Winning Racers learned they could modify the shock bleed circuit to keep the front end tied down for a short, controlled time. This allows the driver to get off the brakes earlier & carry much greater mid-corner speed. This time off the brakes & before throttle is called the roll thru zone. The rest of the time, the shocks work normal. We utilize tie down in all of our Secret Sauce shocks for Autocross, Track & Road Racing.1166'