440 Big Bore
Jun 7, 2007 | 11:11 PM
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Weekend Warrior
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440 Big Bore
Anybody experience the AAEN 440 big bore kit for the sport 400? I am in the process of rebuilding my motor and want to get some decent power out of it. AAEN advertised that with the 440 kit and race pipe it was pushing 75hp. of course the clutching needs to be matched too. 75hp is a good #. Anybody have other thoughts on how to get 60-75hp out of the 400
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