I put 18K on the original set of V12's with no issues whatsoever. This didn't happen to me until I replaced the rears without replacing the fronts. Therefore, I am quite sure that a new set of V12's on the front will take care of it.
I know that the Hankooks aren't the best track tire out there by a long shot. However, I really don't have any issues with them on a street car. I wonder how many people out there just parrot what some others say and have never run the V12's on their Z's. In my case they work great, and are much less expensive than some alternatives. YMMV.
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AZ Roadster
'09 Base|Chicane Yellow|TSW Nurburgrings|Stillen CBE|Eclipse AVN726E In Dash DVD/NAV|Clear Bra|H&R Spacers 15/20|Hankook Ventus V-12's 275/35 & 305/30
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