Thanks,
Yeah it was confusing. Originally it was just called 93 and LMS sent me an update called 93 Lv6. I asked for an explanation and this was their response:
"The v6 tune is an improved tune over version 4 as far as hp and tq on the dyno. My tuner has made small tweaks to improve the tune across the board as well. Better shifts and drivability also. The stage 4 plus is designed to carry boost out until the shift point. All other versions mimic the factory boost curve and taper off at higher RPM points. The Xv1 tune is going to be even more aggressive than the stage 4+. It is going to be a more race oriented tune for those who want to get the very most performance out of the vehicle."
