All G4z motors are based on Zenoah engines.
All ports retimed to achive an smooth running sports engine.
All ports re-timed, Modified piston for better breathing. Cilinder lowered for better compression ratio. Trimmed down flywheel to increase rpm and torq. Optimised gas-flow for lower fuel consumtion.
Legende G4z Motoren:
Stage1 = Zylinderbearbeitung, Auslass, Überströmkanäle, allgemeine Anpassungen
Stage2 = Stage1 + Lüfterrad und Kurbelwelle bearbeitet, allgemeine Gehäuse Optimierung
Stage3 = Stage2 + VHM Vollwangen Kubelwelle
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