Not a big project but I fixed/upgraded my first part on the E-Revo! Replaced the spur gear with a metal one because I didn't want to shred a plastic one again. :
Spur gear, 54-tooth (1.0 metric pitch) | Traxxas
53T Metal Spur Gear for Traxxas 1/16 E-Revo, Slash, Summit, Rally for R/C or RC - Team Integy
43T Metal Spur Gear for Traxxas 1/16 E-Revo, Slash, Summit, Rally for R/C or RC - Team Integy
How To Change NEW ERevo 2.0 VXL Spur Gear Easily - YouTube
Traxxas 1/16 Slash & E-Revo VXL Spur Gear: 50T
Amazon.com: Raidenracing Upgrade Harden Steel 46T Main Spur Gear 1 Mod M1 for Traxxas X-MAXX XRT NEW MAXX XO-1 EREVO 2.0-1 pc : Toys & Games
Not a big project but I fixed/upgraded my first part on the E-Revo! Replaced the spur gear with a metal one because I didn't want to shred a plastic one again. :
Fits Traxxas 1/10 BRUSHLESS E-REVO 2.0 VXL 86086-4 SPUR GEAR, MOTOR MOUNT | eBay
Traxxas Mod 1 Spur Gear For E-Revo VXL 2.0 Maxx X-Maxx XO-1 – BOBBYRC