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Fifth-Gen Sway Bar Stiffness

Posted August 31 2012 07:47 AM by Scott Parker 
Filed under: Gm High Tech Performance Magazine, Auto Suspension

Pfadt Racing ZL-Spec front sway bar

 Pfadt Racing quantifies sway bar stiffness for all Camaro models

 I was just writing about my latest test of the 2013 1LE and ZL1, and remembering some of my discussions with some of the GM engineers I couldn't help but wonder what the difference was in stiffness from the various Camaro suspensions. The GM engineers stressed that sway bar diameter wasn't nearly as important as the improved shape and way that the FE4/FE5 sway bars attach in how they affect roll stiffness. This got me thinking as to what exactly the difference was in terms of percentages or any other way of quantifying. Remembering Pfadt Racing's complete breakdown of Corvette sway bars, I figured this was the crew to ask...and I was right. See the charts below for various stock sway bars versus Pfadt's offerings.

FE2: V-6 models

FE3: 2010-2011 SS models

FE4: 2012+ SS models

FE5: ZL1 models

Pfadt Racing rear sway bar roll stiffness chart
Camaro Front Sway Bar Chart

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GM High-Tech Performance
GM High-Tech Performance