Unfortunately, replacement is really the only option, and its a real bear to do. Figure on several hours to R & R the interior to be able to string the new cable under the console & out the back firewall. Incidently, the new cable & jackets are stronger & ares teflon (I think) lined so they work smoother. Kluging the 30-yr-old cablesf is not a good idea long-term. Now, about those older-than-you-are brake hoses....
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