it depends it could have either the 4 speed auto or 5 speed manual the z28 came with both options
With the 3 speed manual trans, 99 mph.With the 4 speed manual trans, 97 mph.
With the 3 speed manual trans, 83 mph.With the 4 speed manual trans, 90 mph.
With manual 3 speed trans, 94 mph.With manual 4 speed trans, 92 mph. With automatic trans, 91 mph.
Manual 4 speed trans, 88 mph. Manual 3 speed trans, 85 mph.Automatic trans, 83 mph.
With the 3 speed manual trans, 92 mph.With the 4 speed manual trans, 90 mph. With the 2 speed automatic trans, 90 mph.
With the 3 speed manual trans, 108 mph.With the 4 speed manual trans, 104 mph. With the 2 speed automatic trans, 103 mph.
With the 3 speed manual trans, 85 mph.With the 4 speed manual trans, 90 mph. With the 2 speed automatic trans, 86 mph.
With 3 speed manual trans, 78 mph.With 4 speed manual trans, 81 mph.
With the 3 speed manual trans, 104 mph.With the 4 speed manual trans, 113 mph. With the Hydra-Matic trans, 111 mph.
With manual 3 speed trans, 85 mph.With automatic 3 or 4 speed trans, 100 mph. With manual 4 speed trans, 101 mph.
With manual 3 speed trans, 82 mph.With manual 4 speed trans, 81 mph.