In red I have circled the clip he is referring to:
The same clip is used on the nitro Revo:
The nitro Revo has a spot on the chassis where this clip goes, and the E-Revo does not. I tried to locate where it fits on the E-Revo yesterday but I came to the conclusion that this is an error on the part of Traxxas.
SH Z-Car, Custom Crawler, 8s Savage,
12s XTM XLB 1/7 buggy,
4wd 4-link rear/IFS Pro4 truck,
Custom Hyper 10 Short Course,
Belt-Drive Mammoth ST 1/8 truggy, 4s 17.5 MM Pro HPI Blitz