I do accelerate harder than a ZR1 now and with a stock std 13B-REW

With a RX7 its power to weight and a slippery car. I can push my package much harder and know how much I have in reserve, thus why I was thinking this when I came home and though why do people think about a bigger motor? but I do understand your post and agree. The larger unit is less stressed. Probably allow you to catch a Bugatti too