Hemmings Muscle Machine Aug. 2004 has the LS1 with auto going 13.8@104 mph. Some of the mph seem a little high, more like LS2 mph.
Just copy and pasted some info on the Monaro's times with some mods and stock, I haven't seen all the time slips but I know most are legit.
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2006 GTO IBM/Black M6
1969 GTO PHS #'s match sold, good riddence
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