Toymods Car Club Inc: Tech & Conversions => cam grind and bucket/shim assembly ...

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ed_ma61
Forums Junkie

Location:
Lost in the K hole
Registered:
May 2002

Re: cam grind and bucket/shim assembly ...	Sun, 23 February 2003 12:43

i dont get why 'smaller radius, same profile' = higher acceleration. i just cant conceptualise it tabula rasa... say ALL i did was grind the back of the lobe off, with NO mod ification to the rest of the profile. surely the ONLY bit of the lobe that produces ANY acceleration different to stock is the transition from the low base circle to the existing ramp of the active lobe. and the slope (= acceleration) of this transition section is going to be nothing compared to the acceleration and associated forces produced by the slope of the main part of the cam lobe. acceleration is the rate of change of the velocity, ie the rate of change of the height change of the lobe profile. i cant see how a transition from the now reduced base circle compares to the rate of change in the profile of the rest of the lobe... but bill seems ADDIMENT that its a bad idea... cheers ed [Report message to a moderator]

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