1985 GTV6, rebuild or not?

[Robert Abatecola <robert@domain.elided>]

My 1985 GTV6, now at a little over 151,000 miles, is starting to need 
some of the major mechanical items that wear out as the mileage 
creeps up.  For example, the valve clearances can no longer really be 
set properly because of cam wear.  Another example is that the oil 
level drops slowly, but with 300 mile changes I never have to add any 
(I know, valve job here).

My question is this:  Does it make send to opt for a full engine 
rebuild at this point or should I replace items as needed?  In case 
it matters, I like the idea of using S-cams and higher compression 
pistons...

Thanks everyone!
-- 

  -Robert Abatecola
   1985 GTV6
   1987 Spider Quadrifoglio

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