I have ran a 1.542 60ft on Nitto Nt05r 315/35/20, but the tire does not hook well enough for me. So they are better than stock and coud be used depending on your power level.
Here is an article doing a drag radial shooout with Nittos coming out on top of the MT ET, but not much difference.
http://www.superchevy.com/technical/...t/viewall.html