Hmm, I haven't lost to a ZL1 yet, so...
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2020 ZL1LE A10.
LME LT4 390 short block, CID Heads, Kong E2650, FBO.
15" conversion, Nitto 555Rii or MT ET Street R or Toyo Proxes RR.
100 octane: 1045hp/1055tq.
100 octane + Alky MAF Meth (1) 10+: