I would say 45 is pretty exact, we have had the speedo up to 51 but no speedo is right on one of these. I will get more pics up once it gets warm here this week.
"i belive ALLL z71s were 4x4...
and also if you actually click the link... there is a pic of the interior with the shifter for the 4x4 on the floor....... took me two seconds to find it
op goodluck selling"
Not evey z71 made by GM is a 4x4....................
discuss