2008 HSV W427


De­signed and built to com­mem­o­rate 20 years of HSV, the W427 was the ul­ti­mate flag­ship, powered by a dry-sumped seven-litre GM LS7 backed by a Tre­mec TR-6060 six-speed man­ual. The spir­i­tual suc­ces­sor to HSV’s ear­lier Monaro-based HRT 427 con­cept, the W427 was am­bi­tious, im­pres­sive, and the per­fect rep­re­sen­ta­tion of HSV’s ethos of pro­duc­ing au­to­mo­tive in­san­ity with pre­dom­i­nantly parts-bin items. The HSV W427 took an HSV VE GTS and turned things up to 11. While the bones were pure GTS, it was ev­ery­thing that wasn’t ‘reg­u­lar’ GTS fare that re­ally im­pressed. Se­cur­ing a hand­ful of GM LS7 crate en­gines, the HSV en­gi­neer­ing team man­aged to pack­age their re­quire­ments in a lim­ited-pro­duc­tion sched­ule, in­clud­ing items such as the hand-fab­ri­cated ex­ter­nal oil reser­voir for the dry-sump sys­tem. The LS7’s raw grunt also meant that the only fea­si­ble trans­mis­sion op­tion was the then-new Tre­mec TR-6060, which went in fine but re­quired the HSV team to en­gi­neer a cus­tom clutch pedal and hy­draulic sys­tem for both high-clamp loads and ease of use. Aes­thet­i­cally, the W427 gained a cus­tom front fas­cia, sub­tle car­bon-fi­bre rear wing, cus­tom al­loy wheels, and a smat­ter­ing of W427 badges — a re­mark­able les­son in sub­tlety from an out­fit known for wild bodyk­its and colour schemes. How­ever, for all its un­der­stated aes­thet­ics, there is no deny­ing that the HSV W427 has aged well and will no doubt prove to be one of the ul­ti­mate HSV col­lec­tor cars when the Com­modore as we know it is dead and gone.

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