best a ls4 car can do with a great driver is 13.8
Originally Posted by Hawkins04 best a ls4 car can do with a great driver is 13.8 I remember when I had my Trailblazer SS I was on a TBSS forum and another member there had an LS4 Monte that he said was running solid 13.60s. But the elevation and driver factors add up pretty quick.
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