On Sun, 28 Oct 2001, Bullwinkle wrote:
> When a cam is properly ground, there is a slight taper or curvature
> put onto the lobes to cause the tappets to rotate. If however the cam
> is worn or improperly ground this doesn't happen. The correct repair
> is to replace both the cam and the tappets.
The "normal" technique is to put a slight taper on the cam lobes and a
slight dome on the tappet faces. "Normal" is the key word here.
I don't know about the replacement cams and tappets currently available,
but the originals were perfectly flat-faced. Bad design, prone to rapid
wear.
--
Chip Old 1948 M.G. TC TC6710 XPAG7430 NEMGTR #2271
Cub Hill, Maryland 1962 Triumph TR4 CT3154LO CT3479E
fold@bcpl.net
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