sio the problem is with the lower end not the valvetrain as far as revs go? I thought a tuned length intake mani and some more revs there could def. be 20 more hp up there but if the shortblock wont support it even with a balanced/knife edge stock crank than I would have to agree that I wont see much power without more rev's. and if I cant achieve more revs than the ka just isnt going to make the power.
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