Originally Posted by GretchenGotGrowl
Thet didn't pull it up to high enough RPMs. They should have pulled all the way to 7000.
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I am going to guess this being a LS, it hit the speed limiter at 118 MPH. Try pulling in 3rd gear. I know we can pull to 116 - 118 in 3rd. A few others have run into this problem too.