lol... i've owned an LS1 commodore, driven plenty of skylines. R32 GTS-t, R32 GTR, R33 GTS't, etc... and even an R32 GTS-t with a few mods (eg: exhaust, cooler, boost, etc) will leave most LS1's behind even on the stock turbo. Although a tuned LS1 will be quicker than a mildly modded GTS-t...