_WarShrike_ posted this YouTube Multiplier on Reddit's r/Cars, assembling three 'Ring vids, each representing the best laps of the three Chevrolets. You can go right here to see them all synchronized side by side.
Here are the three videos on their own, for those of you who don't want to melt your eyeballs.
And or those of you counting, here are those 'Ring times.
Z/28 — 7:37 (faster than a Porsche 911)
ZL1 — 7:41
ZR1 — 7:19