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gone-ot · 11-14-2011, 06:43 PM

...at one time, GM had a banked circular test track at Mesa, AZ, but they sold it (land was too valuable) and now share test facilities with USArmy at the Yuma Proving Ground at Yuma, AZ.

11-14-2011, 06:43 PM	#186 (permalink)
gone-ot ...beats walking... Join Date: Jul 2009 Location: . Posts: 6,190 Thanks: 179 Thanked 1,525 Times in 1,126 Posts	...at one time, GM had a banked circular test track at Mesa, AZ, but they sold it (land was too valuable) and now share test facilities with USArmy at the Yuma Proving Ground at Yuma, AZ.