Banzai is suggesting we return to the cheap, EQUAL and effective karting of the 1960s, 70s and 80s (and a bit of the 90s). That's allowing blue printing of the motors (i.e., allowing the tuner to remove metal up to the point where it remains within the paper description of the engine,... I.e., the engineer's blueprint).
YES: it made the initial purchase of the engine more expensive (the additional tuning) ..... but long term, it REDUCED costs! The number of 'special motors' was minimal and the difference between two motors was minimal.
At one point (for example) the Dartford Karting team were winning everything. And.... all their winning motors were for sale at the end of each race at EXACTLY the same price you could buy a newly blueprinted one from them.
The sort of work done was to remove metal so that the gas flow was as smooth and 'notch-free' as was shown on the drawings. You didn't HAVE the huge steps between (e.g.) the exhaust port, the liner, the barrel and the exhaust pipe. That made ANY engine into a 'perfect' (compared to the drawings) motor. Even rubbish 'stock' motors could be brought up to the standard of the quickest motors and that kept things cheaper over all.
I would be all for it again: the supposed 'box-stock' motor rules of TKM and Rotax have NOT kept prices down: let's go back to what worked BETTER before!
Ian
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