>
> Not to the point on lobe heights but can anyone out there answer why valve
> clearances vary from one cam manufacturer to another when the durations or
> valve lifts are the same. If it is due to ramp design then why is there a
> difference in ramp design? If we can get an answer to the above then we can
> go on to questions about altering valve lash to change duration. Any help
> appreciated.
>
Hmm, this didn't seem to make it to the list, just me. But... I noticed
in my search for camshaft truths the following webpage:
<URL:http://www.ftech.net/~t-rac/kentcam.htm>
It's a pretty good write-up on camshaft technology, including such
questions as, "why is there a difference in ramp design?" :-)
----
Jeremy DuBois jer@thlogic.com
Manager, Info Systems http://www.thlogic.com/~jer/
Thermalogic Corporation '60 TR3A, '74 MGB, '76 Spit
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