RW> 22 Mar 12 04:36, Roger Nelson wrote to Roy Witt:   
       
   RW> They obviously do...they're just not as good as they were at 100k or   
   RW> 50k...   
       
   That's why I said 'adittedly'.   
       
   RW>RN> The ones I bought for the Mark VIII have a recommended replacement of   
   RW>RN> 75k.   
       
   RW> In a 145k car, that would take it into the next stage of the engines   
   RW> life.   
   RW> By then, in that overhead cammed engine, it will have already gone   
   RW> through at least three timing belts/chains.   
       
   You already know mine is DOHC and I don't have a problem yet.  Of course, the   
   car has only 73k on it now.   
       
   RW>RN> I've only put 12k on the car since I bought it, so the ones I put in   
   RW>RN> it 2 years ago should last awhile longer, I think, unless all this   
   RW>RN> city driving I do shortens that life span, which I'm sure it will.   
       
   RW> Only if you used cheap plugs to replace the factory plugs.   
       
   Autolite platinum, and I replaced the plug wires while I was at it and checked   
   out the coils.   
       
       
   Regards,   
       
   Roger   
      
   --- D'Bridge 3.78   
    * Origin: NCS BBS (1:3828/7)