So you want to race a prokart.You now have another choice. You could buy a pair of 160s for £250 each, degovern, valve springs, pulse pumps, optimise valve timing, set ignition timing ,and generally prepare your engines to the best of your ability within the msa regs V9. To those who do that respect and congratulations. Or you could spend as much as you have or choose on fast engines from any of a number of suppliers without knowing or caring why your engines are fast. In either case you are then subject to the whims of the rulemakers and scrutineers (Not always wholeheartedly praised by Brian) in their treatment of the selected parts issue,and if succesful go home with your engines in a box of bits. Now all these prokarters tell us ad nauseam that they want a driving competition with a "level playing field" translated as engines of equal performance. RPM have come up with the clever idea of bypassing all this tool gauge SP b......s, and equalising engine performance by measuring it and equalising it. Clearly the project stands or falls on the integrity of the builders but reportedly all reasonable safegaurds are in place, (buyback ,control engines, dyno) and I doubt that the other builders will be slow in reporting any shortcomings. Those who wish to can stay with MSA 160 using any builder, so not a monopoly but another choice.
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