Unless it was designed with a flow bench its unlikely to do much more than look shiny and add weight...
Other than that, runner length will just move peak torque either up (shorter) or down (longer) in the RPM range. Bigger diameter may or may not help N/A -- again these things should really be designed with a flow bench.
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Enjoy it. Destroy it.
Last edited by Jordo!; 06-04-2010 at 11:52 AM.
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