Dave,
I've just run a RB K9 in for one of our top nitro lads. I've done a bit of a report on it on another forum (if you cannot find it just pm me) this engine is a little flyer and I believe that you'll be able to get them as little as £150.
I was shocked about this engine as RB had sent out for a budget engine for their range. From where we have thought it was made,we thought it was going to be a pig in a poke. How wrong we was. RB have come up with a great budget race engine, I would not class it as a budget engine that the young lads just chuck in to have a bash down the local park with, this is a full blown race engine.
Put a JP4 pipe on it and you'll be good for top end racing.
tim
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