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Author Topic: rpm  (Read 517 times)

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pontiac621

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rpm
« on: April 17, 2009, 12:09:11 PM »

2004 punkin arlen ness big sucker porker slip ons se race tuner.seems like mine peters out to fast rev limit set at 6250.how much more can i turn it. feels like i have a whole lot more there.thanks
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erniezap

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Re: rpm
« Reply #1 on: April 18, 2009, 12:32:50 AM »

I'll just say 2 things:
1 - You raise the limit up much higher you will need to install stronger valve springs.  Stock ones will float
2 - If you're over 6,000 RPM's, you're already out of the power curve.  Shift @ 55-5700 for optimum performance
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grc

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Re: rpm
« Reply #2 on: April 18, 2009, 09:15:59 AM »


Everyone thinks their bike has a lot more available than it really does, especially in the lower gears where you can hit the rev limiter rather quickly.  Trust me, if you put that thing on a dyno and review the resulting torque and power curves you will find that both curves are diving like Jacques Cousteau long before you hit 6200.

Jerry
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Jerry - 2005 Cherry SEEG  -  Member # 1155

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