I reckon you could use a crossmemeber and even front tail shaft from one of the early commodores no problem since the floors are the same and going from Victorias rules at least you don't need a certificate. But he's decided not to vandal his calais anyway. But it would be cool to do to something a bit less classic and lighter like an VN executive
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VP
executive-R 0-60mph
5.36 11/10/07, PB ET 9.088 1/8th mile at Southcoast raceway 5-12-2008
VN Lexcen GL 0-60mph 6.95. 1/4 mile 15.37 @ 91 mph: calculated rwkw 114
VH SL/E 202 Auto 0-60mph 13.5
Traction provided by
Highway Max™ tyres