Here's a vid of me (stock C5 Z06) pulling a pullied Cobra (intake, full exhaust, 2.76 pulley and tune) 460ish whp. I've beat more than one pullied Cobra in my stock Z06.
3:10 in the video.
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Previous Car: 02 Z28 built 346 by HPE W/TPIS Stg.2 6.0 heads, custom turbo cam, STS turbo W/ T76 @14 lbs, Synergy 2 Step, FMIC, 60lb injectors, twin Walbro pumps, JBA headers, Bassani ORY, built T-56 w/Viper conversion, full Hotchkis suspension, Pro 5.0, Textralia clutch, Billet steel flywheel, Mcloud adjustable master, Zo6 wheels and tune by Excelsior Motorsports.

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