Per previous posts/builds on these caliber of builds it is my understanding that the 9" rears can be noisy when using aftermarket gears. The 8.8"s can be set-up to handle the power & are quieter.
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Brian Hobaugh SCCA National Tour June 2014
First Hemi 'Cuda Convertible Ever Built
Short clips: Goodguys Pleasanton autocross and pit videos
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