20B NA set up1

20b Engine setup

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RX-7 13B&20B high volume!!
FC 13B peri turbo FC 20B non turbo  tune by radicai





20B NA set up2
3rotor Engine set up 2





Nice 20b NA Rotary sound





20b Semi-pp dyno pull 9,500 RPM
Built by RX-Tuning




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