When you pull the cylinder head to do a valve job you can check all the pushrods for straightness, and free up all the valve guides. If you try to do a half-donkey patch job you'll probably bend some more pushrods soon. The bent pushrod is a symptom of bigger troubles to come, not the main problem.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!