Quote:
Originally Posted by nota
they spin 4 k rpm with 3 sparks per revolution so the tack said 12k the shaft spin 4k
yes the sounds of the twin is nasty a turbo helps a lot
I had a rx4
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The shaft spins at full rpm (we ran 9k on the 3 rotor and 10k at nationals) while the rotors turn 1/3 of crank rpm.