Based on what I have read the stock Z would dyno at 278+/- and breather mods and tune would range from 305 to 319 depending on the dyno. I can tell you that the HFC and Gears were good on the butt dyno.
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F.I. Stage 1 Twin Turbo #48 | E85 FlexFuel | Built 7AT | F.I. 34 Row Oil Cooler | F.I. Flex Plate | F.I. 19 row Trans Cooler | MT ET Street S/S | ECUTEK Tuned by Seb | RPM Roll Bar
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