G4Z 34CC EVO 1/4 One way diff only locks

One way diff only locks up when you are accelerating and won’t lock when braking

operation can be performed smoothly and easily

Enhanced Data Logging - 8x increased logging time

UPRIGHTS 4WD - FG Modellsport

G4Z 34CC EVO 1/4 One way diff only locksNote: All G4Z Engines are custom built by order Transfer ports retimed and shaped Exhaust port raised and widened Intake retimed Piston machined, trimmed and rimmed Crankshaft realigned and balance checked Crankcase coated black to improve heat dissipation Trimmed Flywheel to gain RPM Carburetor ball bearing and choke removed Engine specification Cylinder displacement 31. 5 cm Cylinder bore 38 mm Cylinder stroke 28 mm Power output Carburettor WT 1107