i think hes got a built bottom end so i'd go 76mm. If the 76 comes with the on3 kit then its probably some 20yr old designed 76mm that will only make 700hp maxed out... a newer 7675 or something would let you make the power way easier...I'm actually curious as to how a 6266 would do on a 2v car.
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FIRSBIRZ
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