let me see. 400hp c6 lapped vir at 2.13 or 2.14. 287hp 350z lapped it at 2.17 or 2.18. they had same driver and same tires and were all stock. c6 was 40k new to me and my 350 was 31k. the 350 was 40lbs lighter. there is a noticeable gap in the performance. the 370 is faster, but so is the ls3 c6. ask any track guys what they have to do to make up 4 seconds. the c6 was 13mph faster down the same straight as the z at vir
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