Remember to locktite the grub screws on all outdrive cups , 2 speed shoe(the one that holds the shoe to the shaft ), also all screws that hold the ring gear to the diff housing.That car is awesome.I love mine. Oh ,please upgrade your Radio system and servos and you will have a winner.
Also you would only realize it shifts when the engine temp goes up and higher rpm kicks in.
Mugen MTX 4R stock, Nova Flash .12 3Tuned. EFRA 2660
Mugen MTX 4R upgrades,,IDM .12 Nitro R modified
Mugen MRX 4R/X combo, Ninja .21 RO1 CEO modified,
Futaba BLS 451 x2,JR z9100s,Airtronics 94757z,Savox 1258TG