>How much will this sunuvagun end up costing me to get fixed?  I trust 
>it is major work. 

You can replace them yourself.

You can:

A) take the heads off and put new tubes in.
B) take out pushrods and put in two-piece tubes (and then put pushrods back in

I did "B" on my 911 (alas sans pushrods its a DOHC engine with excellent 
results and saved me a pile of $$$$

Thom
-- 
> Friends don't let friends use ADA.
............................................................................
:    Thom Fitzpatrick                             Transamerica Info Mgmnt  :
:  Systems Administrator                          1860 Howe Ave            :
:  tfitzpatrick@tim.com                           Sacramento, CA 95825     :
:   fax (916) 921-6781                            (916) 565-3346           :
............................................................................