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Old 10-07-2007, 09:33 AM   #2
SlickVic
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Default Re: Valve Spring Selection

Well everything on the motor was good to atleast 8000 rpms. I only turned it at max in really good air, 7600. Most of the time is wasn't over 7400. But, what i don't understand is the springs that came w/ the dart heads, the ones that lasted 3 years, only have a max lift of 650. Im running a 670/625 cam.
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