![]() ![]() Most vintage racers never test their shocks, and therefore don't get much benefit from adjustable shocks. If you want to go beyond the frame prep standards outlined in these instructions, give us a call. You can download the GM guide as a PDF file here. This publication is 40 years old, but the information is still valid and obviously period correct. If you are building your own C2 or C3 racecar, it might help to use GM's guide to modifying the C2/C3 Corvette chassis for racing. Our cars have arguably the stiffest chassis ever built for a C3 Corvette. Even if he is only half right, that still says a lot about the importance of chassis stiffness. The majority of the other 90% is chassis stiffness". Includes greasable polyurethane differential bushings to replace soft OE differential bushings.According to Corvette chief engineer Tadge Juechter, "dampers, springs, and bushings account for only the last 10 percent of handling. Spherical ball assembly with UHMW bushings allow rear suspension to move more freely. They can be adjusted without removing the arms from the vehicle simply loosen the jam nuts and adjust the pinion angle. 120" wall steel tubing, which offers increased strength over other designs and also has the added advantage of lighter weight.Īdjustable arms allow easy rear suspension adjustments for optimum handling and traction. Tubular arms are constructed of 1 1/4" diameter. These trailing arms have fluted greasable, graphite/polyurethane bushings, which are superior to the stock rubber bushings. ![]() ![]() 120" wall cold rolled steel tubing for maximum strength and flex elimination. These arms reduce bushing bind, allowing the suspension to move smoother for better control.Īll upper tubular and lower boxed arms use greasable polyurethane bushings on both ends, while upper adjustable and lower tubular trailing arms use a spherical ball or rod end assembly on the chassis end.īoxed arms are constructed from. Upgrade Your GM Muscle Car's Handling with Tubular Sway Bars: The Perfect Complement to QA1 Coil-oversįor a more predictable, better handling car, upgrade to QA1 rear trailing arms, which solve flexing issues common to stock arms.5 Things to Consider When Shopping for Drag Race Tubular Control Arms.Why You Should Upgrade Your D100 To An Independent Front Suspension.Why Coil-Overs Shouldn’t Make Your Car Ride Rough.Upgrading Your Monte Carlo Suspension in Stages.Upgrading Your Chevelle Suspension in Stages.Upgrading Your Classic Muscle Car's Alignment: The Importance of Camber, Caster, and Toe.Upgrading Your C5 or C6 Corvette to Coilovers.Tuning Shocks For Your Pro Touring Car At The Track.Twin Tube vs Monotube Circle Track Shocks.The Ultimate Guide to Updating Fox Body Mustang Suspension.Shock Valving: What is Compression and Rebound?.Rebuilding A QA1 Circle Track Monotube Shock.Rebuilding A QA1 Circle Track Twin Tube Shock.QA1’s Dodge D100 Gets Massive Suspension Upgrades.Mustang II Front Suspension & Coil-Overs FAQs.Muscle Car Suspension Upgrades – What to Update Now, and What Can Wait (GM).Mopar Suspension Upgrades: Torsion Bars vs Coil-Overs.Making Significant Performance Gains from a Mopar Torsion Bar Suspension.How to Install C10 Front Suspension Systems.How to Install QA1 GM Pro Coil Shock Systems.How to Install a QA1 Mustang Tubular K-member.How to Determine Your Valving on QA1 Shocks.Four Ways To Make Your 65-70 Impala Feel Like A New Car.Do Tubular Trailing Arms Really Make a Noticeable Improvement?.Dialing In Your Impala Suspension For The Street.Cruiser, Cornering, Drag Car: How To Improve Your Impala's Suspension.Considerations When Lowering Your Car: QA1 Coil-Over Shocks vs.Compare: F-100 Upgrades - Crown Vic Suspension vs QA1's Suspension System.Coil-Over vs Torsion Bar: Suspension Upgrades for Classic Mopars.Calculating Spring Rate for QA1 Stock Mount Coil-Over Systems.Ball Joints 101: Frequently Asked Questions.Achieve Maximum Grip: Front Suspension Tuning for Your Drag Car.5 Things to Look For In Your Pro-Touring Control Arms.ATV, UTV And Off-Road Component Fabrication.Outdoor Power Equipment & Farm Machinery.QA1 Quarterly: Industrial & OEM Newsletter.QA1 Case Study: Coil-Over Shocks For Football Tackle Sleds.4 UNIQUE USES OF QA1 INDUSTRIAL SHOCK ABSORBERS.Noise-Free Operation - Which Rod Ends Provide the Best Results?.Why Mowers with Shock Absorbers Provide A Smoother Cut.Mower Decks - Do You Have the Correct Rod Ends?.When to Consider Self-Lubricating, Greaseable or Metal to Metal Rod Ends.Rod End Selection: Load Ratings Are Not the Ideal Way to Pick the Best Rod End.How Adjustable Shock Absorbers Play a Critical Role in Prototyping.OEM & Industrial Motion Control Systems.Carbon Fiber Tubing & Advanced Composites.Control Arms & Other Tubular Components. ![]()
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