O.S. RX-R or RX-B

Discussion in 'RC General & Getting Started' started by cumminspuller, Aug 11, 2003.

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  1. cumminspuller

    cumminspuller New Member

    I bought an Inferno ST about 10 or 11 years ago when they first came out. My first r/c car. I also bought a O.S. .21 RX-R or RX-B? I do not have the box and I can not tell by looking at the engine. Two questions......Does anyone know how to tell the difference between the two? Is it good/excellent engine? Will it compete with today's 7.5's, Kanai's, MX-5, etc,?

    Jay
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