It is usually the cam that is designed for the lifter, not the other way
around. As Randall said, the rate of lift or the slope of the lift
curve can be greater with a larger lifter. If you can make the rate of
lift greater, you can get more lift, which is a good thing.
Larry
On 2/5/2011 6:36 PM, Randall wrote:
>> The lifter size
>> is directly
>> related to the lift of the cam lobe.
> I believe it's more the rate of lift that is limited by the lifter diameter
> (for flat lifters). It certainly is an important part of the cam design;
> but the primary limitation is how fast the cam can move the lifter (per
> degree of rotation) rather than how far.
>
> Larry has a good description (with drawings) at
> http://www.tildentechnologies.com/Technical/CamDesign.html
>
> -- Randall
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