I'd go with an 8.66 lower, or do 9.17 but also step up to 2.45 or 2.55 if you do a 9.17. You could also step up to a ported blower next or ported heads.
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2017 ZL1 M6 Black | Maggie 2650 // 103TB // Big Gulp
Past Rides-
2014 ZL1 M6 Red Hot | Tons of mods
2004 CTS-V M6 Silver | Many mods
1995 Corvette M6 Torch Red | A few more mods
1992 Camaro M5 White | A few mods
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