[MetalMan]

Welcome to RC-M!

From what I have read the 808 seems to be the better bet. It's a super light buggy, and is also very durable. From the nitro guys I have heard the X1CR tends to wear out fast, and that buggy is just plain old.

For a motor for the buggy, the Neu 1512 2.5D 2000kv is a VERY popular choice. I personally am using the finned version, but would prefer the smooth version to give me better gearing options and to reduce weight.

The MMM is an excellent choice - my buggy is running the V1 without any issues.

To get 20mins. you might need a 4s 5000mah or higher capacity battery. I can't speak for the 808 from my own experience, but you should be able to make 20mins with that capacity geared for 40mph especially since the buggy is so light. Even if you went with higher capacity than 5000mah, it shouldn't be an issue as it would push the buggy to a weight that's still less than the average electric buggy.

There are lots of chargers out there... For up to 4s Lipo I like the Duratrax ICE. The Hyperion 606i charger and Hyperion LBA10 balancer would be a nice combo because they can interface with each other.