Originally Posted by 6376vette
I am currently running the xi and I think the biggest difference I felt was smoothness. the zero is plenty smooth and completely capable of winning but to me the xi is smoother. lap times were the same and my consistency was the same. Guess its all driver preference. I am running a 21.5 so the differences may be more noticeable with a faster motor or boost.
$300 is a pretty close estimate give or take a little. Either chassis is great. only reason I have the xi is because a friend of mine was selling it and gave me a good deal on it. I wasn't looking for one. It found me.
I am glad I own both chassis but I can't say I prefer one over the other. The differences are even less noticeable if you use the narrow chassis plate on the zero. I do think the xi has more chassis flex though. it may perform better in very low traction conditions.
I just can't get the zero s to 1380g without changing to all carbon fiber stuff. It's still 1460g after some serious weight reduction (removing all un-necessary stuff in the car, heat sink, smaller esc, low profile servo, etc).
We run 17.5t class here, 21.5t vta group is just way too slow for our track. Power and weight ratio is just so important on these cars.
So I just went to get the XI, 1346g immediately.