At 11:03 PM 6/9/03 -0700, Larry Colen wrote:
>When you replace a cam, do you need to also replace the tappets?
Absolutely, yes.
>Or, if they are still good, can you just go with the old ones?
Never. That would be a death sentence for the new cam. You would have to
have the tappets re-ground, which is generally more expensive than buying
new ones.
>I've heard some talk of tappets wearing in, but I don't know how much of
>that is reality and how much is superstition.
It's real. You can install new tappets on an old cam, but not the other
way around. Find a description on how tappets work here:
http://mgaguru.com/mgtech/engine/cm101.htm
Additionally the few pages that follow give a nice picture tour of wear
patterns on the cam and tappets.
Barney Gaylord
1958 MGA with an attitude
http://MGAguru.com
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