Push Rod Tubes in the Head

["Terry Smith" <terryrs@adelphia.net>]

Hello everyone,

For a complete head rebuild, I'm looking at the pushrod tubes.  These seem
merely to house, rather than guide, the pushrods, and I can't see a reason to
replace them.  Am I missing something?

Terry Smith
New Hampshire
'59 TR3A (Off the frame and in pieces, but it's time to start putting them
back together!)