It was opened in 1957 by GM-Holden and has been used to test every Holden model from the Holden FC onwards. It is a dedicated 877-hectare site with 44 kilometres of road systems, including a 4.7 km 4 lane circular track (speed bowl), 5.5 km ride and handling course, a 1.8 km noise road and 98m diameter skid pan.
GM Proving Ground
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By adrbr @ 2013-01-22 03:51:55
kjfitz
@ 2013-01-22 12:16:47
Test track karma!