I all comes down to the head and cam selection.No wide splits with victor junior intakes. LSA is best at 106-110.
Just did a 01 Z that made 445hp/400tq on my dyno with TFS 215 heads,230 cam,LS6 intake,ported TB,stock MAF, ARH headers and 12 bolt with 4.11 gears. Compare that to your #'s or even Batmans car on my dyno.( I think was 380hp or so).
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